Harch

09251, 1982 SR3, 1982SR3, 1997 HK12, 1997HK12, 4896 P-L, 4896P-L, J82S03R, J97H12K, PLS4896

All data for this body: [vot]

MPC data
Name (number) Harch (9251)
a 3.11159
e 0.17556
i / sin(i) 2.5973 / 0.04532
q 2.56530
Q 3.65787
ω 235.1573
Node 114.2435
m 291.2455
n 0.1796
Epoch 2460800.5
nobs 1893
nopp 26
Years observed 1960-2025
rms 0.81
Best values
[raw, vot]

Value Standard error
Parent Themis (24)
 
ap 3.110
ep 0.145
sin(ip) 0.025
G 0.150
H 14.240
Mass
D 8.89 2.560
pV 0.050 0.0265
Value
Rotational Period
Period quality None
Spectral Class X
Spectral Class Score 6.790
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 -0.1600 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1104 0.1446 0.0254 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
8.89 2.560 2.560 Masiero 2021PSJ.....2..162M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.050 0.0200 0.0330 Masiero 2021PSJ.....2..162M 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
14.24 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
B C DeMeo-Carry VIS Choi 2023PSJ.....4...49C PHOT
C 0.94 Bus VIS Carvano 2010A&A...510A..43C PHOT
X DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
X X 0.7983 0.7983 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT