1998 SJ61

1998SJ61, 2001 HQ43, 2001HQ43, 44384, J98S61J, K01H43Q

All data for this body: [vot]

MPC data
Name (number) 1998 SJ61 (44384)
a 2.70780
e 0.11229
i / sin(i) 10.5602 / 0.18327
q 2.40374
Q 3.01186
ω 142.2511
Node 213.5199
m 1.4371
n 0.2212
Epoch 2460800.5
nobs 1375
nopp 22
Years observed 1998-2025
rms 0.82
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.708
ep 0.080
sin(ip) 0.193
G 0.150
H 15.050
Mass
D
pV
Value
Rotational Period 2.800
Period quality 2
Spectral Class None
Spectral Class Score
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7081 0.0797 0.1933 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
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
15.05 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
2.86 2 Synodic Chang 2019ApJS..241....6C Lightcurve