1999 XA181

1999XA181, 97298, J99XI1A

All data for this body: [vot]

MPC data
Name (number) 1999 XA181 (97298)
a 2.80152
e 0.11694
i / sin(i) 8.7390 / 0.15193
q 2.47391
Q 3.12913
ω 104.0697
Node 2.0356
m 351.7262
n 0.2102
Epoch 2460200.5
nobs 998
nopp 17
Years observed 1999-2023
rms 0.68
Best values
[raw, vot]

Value Standard error
Parent Gefion (1272)
 
ap 2.801
ep 0.131
sin(ip) 0.156
Value Standard error
G 0.150
H 15.120
Mass
D 2.63 0.752
pV 0.255 0.1872
Rotational Period
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
1272 Gefion 516 Gefion 0.2300 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.8011 0.1311 0.1561 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.63 0.752 0.752 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.255 0.1872 0.1872 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
15.12 MPC-2023-12-04 MPC-2023-12-04 Phot