1999 XP97

1999XP97, 45139, J99X97P

All data for this body: [vot]

MPC data
Name (number) 1999 XP97 (45139)
a 2.75840
e 0.12838
i / sin(i) 10.1942 / 0.17699
q 2.40428
Q 3.11252
ω 227.1191
Node 66.0867
m 334.9346
n 0.2151
Epoch 2460800.5
nobs 2926
nopp 22
Years observed 1998-2025
rms 0.70
Best values
[raw, vot]

Value Standard error
Parent Gefion (1272)
 
ap 2.758
ep 0.126
sin(ip) 0.161
G 0.150
H 13.630
Mass
D 4.86 0.114
pV 0.358 0.0561
Value
Rotational Period
Period quality None
Spectral Class None
Spectral Class Score
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
1272 Gefion 0 Gefion Novakovic 2019EPSC...13.1671N HCM
1272 Gefion 516 Gefion -0.7100 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7579 0.1255 0.1608 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.86 0.114 0.114 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.358 0.0561 0.0561 Masiero 2011ApJ...741...68M 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
13.63 MPC-2023-12-04 MPC-2023-12-04 Phot