1999 GJ4

1999GJ4, 40267, J99G04J

All data for this body: [vot]

MPC data
Name (number) 1999 GJ4 (40267)
a 1.33876
e 0.80849
i / sin(i) 34.4882 / 0.56624
q 0.25638
Q 2.42113
ω 211.9468
Node 148.2215
m 141.9659
n 0.6363
Epoch 2460200.5
nobs 2994
nopp 28
Years observed 1955-2023
rms 0.66
Best values
[raw, vot]

Value Standard error
Parent
 
ap
ep
sin(ip)
Value Standard error
G 0.150
H 15.570
Mass
D 1.67 0.052
pV 0.361 0.0686
Rotational Period 4.957
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
1.64 0.053 0.053 Mainzer 2011ApJ...743..156M NEATM
1.94 0.450 0.450 Masiero 2020PSJ.....1....5M NEATM
2.44 0.326 0.326 Mainzer 2014ApJ...792...30M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.100 0.1790 0.1790 Mainzer 2014ApJ...792...30M NEATM
0.279 0.1430 0.1430 Masiero 2020PSJ.....1....5M NEATM
0.453 0.0870 0.0870 Mainzer 2011ApJ...743..156M NEATM
G data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.15 MPC-2023-12-94 MPC-2023-12-94 Phot
H data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
15.57 MPC-2023-12-04 MPC-2023-12-04 Phot
Period data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.95 Warner 2014MPBu...41..157W Lightcurve
4.96 Galad 2005EM&P...97..147G Lightcurve
4.96 Skiff LCDB Lightcurve
4.96 Galad 2005EM&P...97..147G Lightcurve
4.96 Vaduvescu 2017EM&P..120...41V Lightcurve
4.96 Durech 2018A&A...617A..57D Model
4.96 Waszczak 2015AJ....150...75W Lightcurve
4.96 Warner 2017MPBu...44..223W Lightcurve
4.96 Warner 2014MPBu...41..157W Lightcurve
4.97 Polishook 2012MPBu...39..187P Lightcurve