1999 XM90

1999XM90, 1987 VM, 1987VM, 1989 CZ2, 1989CZ2, 43139, J87V00M, J89C02Z, J99X90M

All data for this body: [vot]

MPC data
Name (number) 1999 XM90 (43139)
a 3.19608
e 0.07339
i / sin(i) 14.8542 / 0.25636
q 2.96152
Q 3.43064
ω 123.9720
Node 283.8588
m 103.6674
n 0.1725
Epoch 2460200.5
nobs 2620
nopp 20
Years observed 1987-2023
rms 0.62
Best values
[raw, vot]

Value Standard error
Parent Ursula (375)
 
ap 3.191
ep 0.073
sin(ip) 0.277
Value Standard error
G 0.150
H 12.980
Mass
D 18.78 3.713
pV 0.031 0.0396
Rotational Period 176.390
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
375 Ursula 631 Ursula Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1905 0.0735 0.2768 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
17.73 6.340 6.340 Nugent 2016AJ....152...63N NEATM
19.33 4.580 4.580 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.030 0.0400 0.0400 Nugent 2016AJ....152...63N NEATM
0.066 0.2780 0.2780 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
12.98 MPC-2023-12-04 MPC-2023-12-04 Phot
Period data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
176.39 Durech 2023A&A...675A..24D Model