2000 HN9

2000HN9, 1998 YO31, 1998YO31, 71725, J98Y31O, K00H09N

All data for this body: [vot]

MPC data
Name (number) 2000 HN9 (71725)
a 3.14514
e 0.13836
i / sin(i) 2.2165 / 0.03868
q 2.70998
Q 3.58031
ω 65.2312
Node 84.3937
m 230.2846
n 0.1767
Epoch 2460800.5
nobs 1324
nopp 20
Years observed 1998-2025
rms 0.78
Best values
[raw, vot]

Value Standard error
Parent Themis (24)
 
ap 3.155
ep 0.155
sin(ip) 0.019
G 0.150
H 14.560
Mass
D 6.81 0.083
pV 0.066 0.0130
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 4.266
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
24 Themis 0 Themis Novakovic 2019EPSC...13.1671N HCM
24 Themis 602 Themis 0.1200 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1550 0.1549 0.0193 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
6.81 0.083 0.083 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.066 0.0130 0.0130 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
14.56 MPC-2023-12-04 MPC-2023-12-04 Phot
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
C C 0.3320 0.3320 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S 0.711 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT