1998 QU81

1998QU81, 2003 QB79, 2003QB79, G0033, J98Q81U, K03Q79B

All data for this body: [vot]

MPC data
Name (number) 1998 QU81 (160033)
a 2.76233
e 0.26273
i / sin(i) 16.1490 / 0.27814
q 2.03658
Q 3.48808
ω 142.2287
Node 228.3259
m 143.5440
n 0.2147
Epoch 2460200.5
nobs 1090
nopp 17
Years observed 1998-2023
rms 0.65
Best values
[raw, vot]

Value Standard error
Parent Postrema (1484)
 
ap 2.761
ep 0.229
sin(ip) 0.287
Value Standard error
G 0.150
H 15.160
Mass
D 7.14 0.331
pV 0.042 0.0058
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
1484 Postrema 541 Postrema Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7613 0.2291 0.2866 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
6.78 2.190 2.190 Masiero 2020PSJ.....1....5M NEATM
7.15 0.335 0.335 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.042 0.0058 0.0058 Masiero 2011ApJ...741...68M NEATM
0.042 0.0470 0.0470 Masiero 2020PSJ.....1....5M 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
15.16 MPC-2023-12-04 MPC-2023-12-04 Phot