1991 HC

1991HC, 08854, J91H00C

All data for this body: [vot]

MPC data
Name (number) 1991 HC (8854)
a 2.26962
e 0.14385
i / sin(i) 4.6612 / 0.08127
q 1.94313
Q 2.59611
ω 185.5297
Node 88.6725
m 124.5884
n 0.2883
Epoch 2460200.5
nobs 3084
nopp 23
Years observed 1954-2023
rms 0.58
Best values
[raw, vot]

Value Standard error
Parent Flora (8)
 
ap 2.268
ep 0.133
sin(ip) 0.068
Value Standard error
G 0.150
H 14.000
Mass
D 3.66 0.183
pV 0.406 0.0303
Rotational Period
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
8 Flora 402 Flora 0.6200 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2685 0.1331 0.0679 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.12 0.470 0.470 Nugent 2016AJ....152...63N NEATM
3.76 0.199 0.199 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.300 0.1100 0.1100 Nugent 2016AJ....152...63N NEATM
0.414 0.0315 0.0315 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
14.00 MPC-2023-12-04 MPC-2023-12-04 Phot