2001 HR45

2001HR45, 2000 CW121, 2000CW121, 46259, K00CC1W, K01H45R

All data for this body: [vot]

MPC data
Name (number) 2001 HR45 (46259)
a 2.76217
e 0.14663
i / sin(i) 10.4382 / 0.18118
q 2.35715
Q 3.16719
ω 196.2284
Node 115.8921
m 356.4182
n 0.2147
Epoch 2460800.5
nobs 1989
nopp 22
Years observed 1998-2025
rms 0.72
Best values
[raw, vot]

Value Standard error
Parent Gefion (1272)
 
ap 2.762
ep 0.130
sin(ip) 0.159
G 0.150
H 14.430
Mass
D 3.40 1.110
pV 0.349 0.0947
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 8.462
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
1272 Gefion 0 Gefion Novakovic 2019EPSC...13.1671N HCM
1272 Gefion 516 Gefion -0.4000 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7624 0.1300 0.1593 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.40 1.110 1.110 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.349 0.0947 0.0947 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
14.43 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
S 0.447 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S S 0.9634 0.9634 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT