2000HX21

2001SW21, 81543, K00H21X, K01S21W

All data for this body: [vot]

MPC data
Name (number) 2000HX21 (81543)
Packed designation 81543
a 2.77783
e 0.21119
i / sin(i) 8.0753 / 0.14047
q 2.19119
Q 3.36447
ω 256.5418
Node 40.4921
m 196.8365
n 0.2129
Epoch 2459600.5
nobs 1275
nopp 18
Years observed 1995-2022
rms 0.67
Best values
[raw, vot]

Value Standard error
Parent Dora (668)
 
ap 2.778
ep 0.195
sin(ip) 0.137
Value Standard error
G 0.150
H 14.440
Mass
D 8.18 0.074
pV 0.057 0.0068
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
668 Dora 512 Dora Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7780 0.1953 0.1368 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Jan-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
6.42 1.930 1.930 Masiero 2021PSJ.....2..162M NEATM
6.82 1.290 1.290 Masiero 2021PSJ.....2..162M NEATM
8.19 0.074 0.074 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.057 0.0069 0.0069 Masiero 2011ApJ...741...68M NEATM
0.066 0.0360 0.0790 Masiero 2021PSJ.....2..162M NEATM
0.075 0.0300 0.0520 Masiero 2021PSJ.....2..162M 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
14.44 MPC-2022-01-18 MPC-2022-01-18 Phot