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 3.20446
e 0.00537
i / sin(i) 22.6566 / 0.38521
q 3.18723
Q 3.22168
ω 315.9133
Node 82.3951
m 273.5937
n 0.1718
Epoch 2460800.5
nobs 4976
nopp 24
Years observed 1989-2025
rms 0.59
Best values
[raw, vot]

Value Standard error
Parent Alauda (702)
 
ap 3.203
ep 0.009
sin(ip) 0.368
G 0.150
H 12.250
Mass
D 19.73 0.149
pV 0.077 0.0068
Value
Rotational Period 9.308
Period quality 2
Spectral Class C
Spectral Class Score 21.075
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
702 Alauda 0 Alauda Novakovic 2019EPSC...13.1671N HCM
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-Nov-2024
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
12.25 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
9.3084 2 Sidereal Durech 2023A&A...675A..24D Model
9.30844 2 Sidereal Durech 2020A&A...643A..59D Model
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
C DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
C 0.515 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
C 0.96 Bus VIS Carvano 2010A&A...510A..43C PHOT
C C 0.7478 0.7760 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C C 0.7956 0.7760 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C C 0.8007 0.7760 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT