1998 HN21

1998HN21, 1999 TK29, 1999TK29, 44114, J98H21N, J99T29K

All data for this body: [vot]

MPC data
Name (number) 1998 HN21 (44114)
a 2.18179
e 0.05372
i / sin(i) 4.8497 / 0.08454
q 2.06459
Q 2.29900
ω 120.8968
Node 201.2833
m 197.0790
n 0.3058
Epoch 2460200.5
nobs 982
nopp 17
Years observed 1998-2023
rms 0.73
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.182
ep 0.048
sin(ip) 0.102
Value Standard error
G 0.150
H 16.460
Mass
D
pV
Rotational Period
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.1821 0.0477 0.1016 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
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
16.46 MPC-2023-12-04 MPC-2023-12-04 Phot