1999 GN20

1999GN20, 2764 P-L, 2764P-L, 35737, J99G20N, PLS2764

All data for this body: [vot]

MPC data
Name (number) 1999 GN20 (35737)
a 2.35725
e 0.21302
i / sin(i) 5.3403 / 0.09307
q 1.85510
Q 2.85941
ω 70.9351
Node 177.3081
m 42.2996
n 0.2723
Epoch 2460800.5
nobs 1306
nopp 21
Years observed 1960-2025
rms 0.78
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.358
ep 0.218
sin(ip) 0.091
G 0.150
H 15.800
Mass
D 4.33 0.038
pV 0.058 0.0063
Value
Rotational Period
Period quality None
Spectral Class X
Spectral Class Score 3.194
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
163 Erigone 0 Erigone Novakovic 2019EPSC...13.1671N HCM
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3583 0.2177 0.0906 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.08 1.380 1.380 Masiero 2020PSJ.....1....5M NEATM
4.12 0.180 0.180 Masiero 2012ApJ...759L...8M NEATM
4.34 0.039 0.039 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.052 0.0077 0.0077 Masiero 2011ApJ...741...68M NEATM
0.061 0.0480 0.0480 Masiero 2020PSJ.....1....5M NEATM
0.072 0.0110 0.0110 Masiero 2012ApJ...759L...8M 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
15.80 MPC-2023-12-04 MPC-2023-12-04 Phot
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
C X 0.3528 0.3510 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X X 0.5324 0.3510 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT