Planetary Data System

PDS Information

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This bar indicates that you are within the PDS enterprise which includes 6 science discipline nodes and 2 support nodes which are overseen by the Project Management Office at NASA's Goddard Space Flight Center (GSFC). Each node is led by an expert in the subject discipline, supported by an advisory group of other practitioners of that discipline, and subject to selection and approval under a regular NASA Research Announcement.

Tables of Atmospheric Parameters for the Planets

**Planet Size Information**
	area Km²	volume Km³	Mass grams	Mass M	density gm/cm³
Venus	4.6011e+08	9.2805e+11	4.8850e+27	0.817	5.264
Earth	5.1006e+08	1.0832e+12	5.9790e+27	1.000	5.520
Mars	1.4416e+08	1.6275e+11	6.4570e+26	0.108	3.967
Jupiter	6.1469e+10	1.4313e+15	1.8986e+30	317.551	1.327
Saturn	4.2694e+10	8.2713e+14	5.6854e+29	95.089	0.687
Uranus	8.0840e+09	6.8336e+13	8.6825e+28	14.522	1.271
Neptune	7.6280e+09	6.2637e+13	1.0310e+29	17.244	1.646
Titan	8.3323e+07	7.1519e+10	1.3500e+26	0.023	1.888

**Planet Rotation Period**
	hours	hr:mn:secs	day/earth	°/day
Venus	-5833.2000000	-5833:12: 0.0	-243.05000	1.481177
Earth	23.9333330	23:56: 0.0	0.99722	361.002791
Mars	24.6333330	24:38: 0.0	1.02639	350.744254
Jupiter: SI..	9.8416675	9:50:30.0	0.41007	877.900010
Jupiter: SII.	9.9279533	9:55:40.6	0.41366	870.270008
Jupiter: SIII	9.9249197	9:55:29.7	0.41354	870.536010
Saturn: SI..	10.2333290	10:14: 0.0	0.42639	844.300032
Saturn: SIII	10.6562220	10:39:22.4	0.44401	810.793919
Uranus	-17.2333330	-17:14: 0.0	-0.71806	501.353975
Neptune	16.1100000	16: 6:36.0	0.67125	536.312849
Titan	382.6799927	382:40:48.0	15.94500	22.577611

**Orbital Parameters**
	a(AU)	period(yrs)	inclin(°)	a.node(°)	arg.perih(°)	ecc	L(6430)(°)
Venus	0.7233	0.62	3.39	76.55	131.25	0.006818	267.689
Earth	1.0000	1.00	0.00	0.00	102.77	0.016704	99.372
Mars	1.5237	1.88	1.85	49.45	335.82	0.093329	195.082
Jupiter	5.2025	11.87	1.31	100.35	15.46	0.048075	329.233
Saturn	9.5531	29.53	2.49	113.55	92.20	0.051565	238.772
Uranus	19.2642	84.55	0.77	73.99	175.28	0.046227	253.217
Neptune	30.2337	166.24	1.77	131.82	7.60	0.007972	274.526
Titan	0.0082	0.04	0.33	0.00	0.00	0.030000	0.000

**Planet Pole**
	<r>(AU)	inclin(°)	RA(°)	DEC(°)
Venus	0.7233	177.40	272.78	67.21
Earth	1.0000	23.40	0.00	90.00
Mars	1.5237	25.20	317.57	57.52
Jupiter	5.2025	3.10	268.04	64.49
Saturn	9.5531	26.70	39.36	83.45
Uranus	19.2642	97.90	257.43	-15.10
Neptune	30.2337	29.00	295.33	40.65
Titan	0.0082	0.00	0.00	0.00

**Velocity**
	V_orbit Km/s	V_escape Km/s	V_equator Km/s	V_sound Km/s
Venus	35.022	10.378	-0.002	0.236
Earth	29.786	11.192	0.465	0.320
Mars	24.130	5.045	0.240	0.227
Jupiter	13.059	60.511	12.572	0.816
Saturn	9.637	36.376	9.871	0.716
Uranus	6.786	21.411	-2.589	0.543
Neptune	5.417	23.670	2.689	0.543
Titan	5.573	2.645	0.012	0.185

**Effective (T_eff,P_eff) Values**
	T_eff K	P_eff mBar	gm/cm³	H Km	V_sound m/s	_rad years	phase °
Venus	229.0	20.000	4.6230e-05	4.862	235.8	0.007	3.94
Earth	255.0	500.000	6.8297e-04	7.471	320.2	0.131	39.47
Mars	210.0	6.000	1.5124e-05	10.605	226.6	0.006	1.17
Jupiter	124.0	400.000	8.6132e-05	19.146	816.3	4.534	67.39
Saturn	95.0	300.000	8.1128e-05	36.975	715.5	20.794	77.27
Uranus	59.0	430.000	2.0161e-04	24.234	543.4	131.311	84.15
Neptune	59.0	500.000	2.3443e-04	19.206	543.4	121.008	77.67
Titan	85.0	1.000	4.0568e-06	18.152	184.7	0.053	82.54

**Stratopause Values**
	T K	P mBar	gm/cm³	H Km	V_sound m/s	_rad years	phase °
Venus	400.0	50.000	6.6166e-05	8.492	311.7	0.003	1.85
Earth	270.0	1.000	1.2901e-06	7.911	329.5	0.000	0.08
Mars	140.0	0.005	1.8905e-08	7.070	185.0	0.000	0.00
Jupiter	163.0	3.000	4.9143e-07	25.167	935.9	0.015	0.45
Saturn	145.0	2.000	3.5435e-07	56.435	884.0	0.039	0.48
Uranus	120.0	1.000	2.3053e-07	49.290	775.0	0.036	0.15
Neptune	130.0	2.000	4.2559e-07	42.319	806.7	0.045	0.10
Titan	170.0	1.000	2.0284e-06	36.304	261.3	0.007	43.69

**Tropopause Values**
	T K	P mBar	gm/cm³	H Km	V_sound m/s	_rad years	phase °
Venus	250.0	100.000	2.1173e-04	5.307	246.4	0.026	14.83
Earth	217.0	100.000	1.6051e-04	6.358	295.4	0.043	14.96
Mars	140.0	0.010	3.7809e-08	7.070	185.0	0.000	0.01
Jupiter	110.0	140.000	3.3983e-05	16.984	768.8	2.273	50.28
Saturn	85.0	100.000	3.0224e-05	33.083	676.8	9.677	64.10
Uranus	53.0	110.000	5.7414e-05	21.770	515.1	46.340	73.81
Neptune	54.0	200.000	1.0246e-04	17.579	519.9	63.132	67.26
Titan	70.0	100.000	4.9261e-04	14.949	167.7	9.506	89.96

**1 BAR Values**
	T K	P BAR	gm/cm³	H Km	V_sound m/s	_rad years	phase °
Venus	360.0	1.000	1.4704e-03	7.643	295.7	0.087	41.57
Earth	288.0	1.000	1.2094e-03	8.438	340.3	0.182	48.82
Mars	140.0	0.007	2.6466e-05	7.070	185.0	0.024	4.59
Jupiter	165.0	1.000	1.6182e-04	25.476	941.6	4.811	68.57
Saturn	134.0	1.000	1.9172e-04	52.154	849.8	24.699	79.23
Uranus	76.0	1.000	3.6399e-04	31.217	616.8	142.873	84.62
Neptune	76.0	1.000	3.6399e-04	24.740	616.8	113.230	76.85
Titan	86.0	1.000	4.0096e-03	18.66	185.8	51.265	89.99

**Surface (H₂O) Values**
	T K	P BAR	gm/cm³	H Km	V_sound m/s	_rad years	phase °
Venus	731.0	92.000	6.6619e-02	15.519	421.4	0.954	84.14
Earth	288.0	1.013	1.2252e-03	8.438	340.3	0.184	49.19
Mars	214.0	0.007	1.7314e-05	10.807	228.7	0.007	1.29
Jupiter	294.0	7.000	6.3574e-04	45.394	1256.9	5.953	72.40
Saturn	313.0	21.000	1.7237e-03	121.823	1298.8	40.698	83.41
Uranus	366.0	260.000	1.9651e-02	150.336	1353.5	332.598	87.68
Neptune	360.0	283.000	2.1746e-02	117.192	1342.3	301.495	84.98
Titan	94.0	1.500	5.5026e-03	20.074	194.3	58.887	89.99