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 3.11042
e 0.17614
i / sin(i) 2.5972 / 0.04532
q 2.56254
Q 3.65829
ω 235.1651
Node 114.2583
m 183.5021
n 0.1797
Epoch 2460200.5
nobs 1788
nopp 24
Years observed 1960-2023
rms 0.74
Best values
[raw, vot]

Value Standard error
Parent Themis (24)
 
ap 3.110
ep 0.145
sin(ip) 0.025
Value Standard error
G 0.150
H 14.250
Mass
D 8.89 2.560
pV 0.050 0.0265
Rotational Period
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
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-Oct-2022
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
14.25 MPC-2023-12-04 MPC-2023-12-04 Phot