1999 XP97

1999XP97, 45139, J99X97P

All data for this body: [vot]

MPC data
Name (number) 1999 XP97 (45139)
a 2.75690
e 0.12863
i / sin(i) 10.1946 / 0.17699
q 2.40227
Q 3.11153
ω 227.3499
Node 66.0892
m 205.5857
n 0.2153
Epoch 2460200.5
nobs 2527
nopp 20
Years observed 1998-2023
rms 0.61
Best values
[raw, vot]

Value Standard error
Parent Gefion (1272)
 
ap 2.758
ep 0.126
sin(ip) 0.161
Value Standard error
G 0.150
H 13.660
Mass
D 4.86 0.114
pV 0.358 0.0561
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
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-Oct-2022
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
13.66 MPC-2023-12-04 MPC-2023-12-04 Phot