2001RJ31

H1889, K01R31J

All data for this body: [vot]

MPC data
Name (number) 2001RJ31 (171889)
Packed designation H1889
a 2.79615
e 0.01556
i / sin(i) 4.1156 / 0.07177
q 2.75264
Q 2.83967
ω 255.6429
Node 0.1353
m 216.1213
n 0.2108
Epoch 2459600.5
nobs 611
nopp 14
Years observed 2001-2022
rms 0.85
Best values
[raw, vot]

Value Standard error
Parent Hoffmeister (1726)
 
ap 2.796
ep 0.044
sin(ip) 0.076
Value Standard error
G 0.150
H 15.740
Mass
D 5.62 0.250
pV 0.039 0.0054
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
1726 Hoffmeister 519 Hoffmeister 0.3400 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7961 0.0442 0.0761 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Jan-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.62 0.250 0.250 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.039 0.0054 0.0054 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
15.74 MPC-2022-01-18 MPC-2022-01-18 Phot