1989 HC

1989HC, 13936, 1991 TN1, 1991TN1, 1998 XH48, 1998XH48, 1999 BV33, 1999BV33, J89H00C, J91T01N, J98X48H, J99B33V

All data for this body: [vot]

MPC data
Name (number) 1989 HC (13936)
a 3.20528
e 0.00549
i / sin(i) 22.6538 / 0.38516
q 3.18767
Q 3.22288
ω 310.7776
Node 82.3999
m 175.7058
n 0.1718
Epoch 2460200.5
nobs 3238
nopp 22
Years observed 1989-2023
rms 0.55
Best values
[raw, vot]

Value Standard error
Parent Alauda (702)
 
ap 3.203
ep 0.009
sin(ip) 0.368
Value Standard error
G 0.150
H 12.200
Mass
D 19.73 0.149
pV 0.077 0.0068
Rotational Period 9.308
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
702 Alauda 902 Alauda 0.1400 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.2028 0.0092 0.3681 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
18.96 1.100 1.100 Masiero 2012ApJ...759L...8M NEATM
19.70 0.152 0.152 Masiero 2011ApJ...741...68M NEATM
21.42 1.450 1.450 Usui 2011PASJ...63.1117U NEATM
21.81 4.360 4.360 Ali-Lagoa 2018A&A...612A..85A NEATM
23.36 1.900 1.900 Tedesco 2002AJ....123.1056T STM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.059 0.0240 0.0240 Ali-Lagoa 2018A&A...612A..85A NEATM
0.068 0.0130 0.0130 Tedesco 2002AJ....123.1056T STM
0.079 0.0133 0.0133 Masiero 2011ApJ...741...68M NEATM
0.085 0.0110 0.0110 Masiero 2012ApJ...759L...8M 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
12.20 MPC-2023-12-04 MPC-2023-12-04 Phot
Period data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
9.31 Durech 2023A&A...675A..24D Model
9.31 Durech 2020A&A...643A..59D Model