1990QU9

1999CT53, 27730, J90Q09U, J99C53T

All data for this body: [vot]

MPC data
Name (number) 1990QU9 (27730)
Packed designation 27730
a 3.12343
e 0.08196
i / sin(i) 15.7412 / 0.27129
q 2.86743
Q 3.37942
ω 297.6295
Node 352.1899
m 291.5865
n 0.1785
Epoch 2459600.5
nobs 1902
nopp 20
Years observed 1990-2021
rms 0.65
Best values
[raw, vot]

Value Standard error
Parent Ursula (375)
 
ap 3.121
ep 0.083
sin(ip) 0.280
Value Standard error
G 0.150
H 13.160
Mass
D 13.43 0.129
pV 0.070 0.0107
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
3.1207 0.0829 0.2799 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Jan-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
13.41 0.130 0.130 Masiero 2011ApJ...741...68M NEATM
14.68 1.090 1.090 Usui 2011PASJ...63.1117U NEATM
15.06 3.010 3.010 Ali-Lagoa 2018A&A...612A..85A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.054 0.0220 0.0220 Ali-Lagoa 2018A&A...612A..85A NEATM
0.074 0.0123 0.0123 Masiero 2011ApJ...741...68M NEATM
G data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.15 MPC-2022-01-18 MPC-2022-01-18 Phot
H data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
13.16 MPC-2022-01-18 MPC-2022-01-18 Phot