1998 HC118

1998HC118, 1999 RD151, 1999RD151, 37976, J98HB8C, J99RF1D

All data for this body: [vot]

MPC data
Name (number) 1998 HC118 (37976)
a 2.59646
e 0.04161
i / sin(i) 10.3335 / 0.17938
q 2.48843
Q 2.70450
ω 171.6293
Node 137.5840
m 73.9515
n 0.2356
Epoch 2460800.5
nobs 3126
nopp 22
Years observed 1998-2025
rms 0.68
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.597
ep 0.028
sin(ip) 0.168
G 0.150
H 13.980
Mass
D 4.48 0.142
pV 0.320 0.0515
Value
Rotational Period 13.700
Period quality 2
Spectral Class None
Spectral Class Score
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5972 0.0282 0.1676 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.48 0.142 0.142 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.320 0.0515 0.0515 Masiero 2011ApJ...741...68M 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
13.98 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
13.7 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
13.703 2 Synodic Waszczak 2015AJ....150...75W Lightcurve