1999HC9

18762, 1978QZ, 1989AE10, 1989AW4, J78Q00Z, J89A04W, J89A10E, J99H09C, T-13171, T1S3171

All data for this body: [vot]

MPC data
Name (number) 1999HC9 (18762)
Packed designation 18762
a 2.12464
e 0.18826
i / sin(i) 1.9788 / 0.03453
q 1.72465
Q 2.52463
ω 45.3925
Node 303.7825
m 355.3569
n 0.3183
Epoch 2459600.5
nobs 1880
nopp 21
Years observed 1971-2021
rms 0.53
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.114
ep 0.094
sin(ip) 0.050
Value Standard error
G 0.150
H 15.010
Mass
D 1.96 0.430
pV 0.320 0.1200
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.1135 0.0938 0.0502 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Jan-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
1.96 0.430 0.430 Nugent 2016AJ....152...63N NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.320 0.1200 0.1200 Nugent 2016AJ....152...63N 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
15.01 MPC-2022-01-18 MPC-2022-01-18 Phot