1998 HD123

1998HD123, 1978 CU, 1978CU, 1999 RP142, 1999RP142, 44155, J78C00U, J98HC3D, J99RE2P

All data for this body: [vot]

MPC data
Name (number) 1998 HD123 (44155)
a 2.19926
e 0.09276
i / sin(i) 4.8406 / 0.08438
q 1.99526
Q 2.40326
ω 9.8507
Node 139.4015
m 342.4579
n 0.3022
Epoch 2460200.5
nobs 2238
nopp 19
Years observed 1978-2023
rms 0.62
Best values
[raw, vot]

Value Standard error
Parent Flora (8)
 
ap 2.200
ep 0.160
sin(ip) 0.084
Value Standard error
G 0.150
H 15.310
Mass
D 2.29 0.577
pV 0.369 0.2733
Rotational Period
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
8 Flora 402 Flora 0.0000 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.1996 0.1596 0.0842 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.29 0.577 0.577 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.369 0.2733 0.2733 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
15.31 MPC-2023-12-04 MPC-2023-12-04 Phot