2001 ER5

2001ER5, 1998 XK98, 1998XK98, 72558, J98X98K, K01E05R

All data for this body: [vot]

MPC data
Name (number) 2001 ER5 (72558)
a 3.20833
e 0.11191
i / sin(i) 5.4976 / 0.09580
q 2.84928
Q 3.56738
ω 203.2198
Node 36.5960
m 15.8483
n 0.1715
Epoch 2460800.5
nobs 929
nopp 22
Years observed 1992-2025
rms 0.90
Best values
[raw, vot]

Value Standard error
Parent Hygiea (10)
 
ap 3.221
ep 0.110
sin(ip) 0.087
G 0.150
H 14.670
Mass
D
pV
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 9.665
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
10 Hygiea 0 Hygiea Novakovic 2019EPSC...13.1671N HCM
10 Hygiea 601 Hygiea Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.2212 0.1101 0.0868 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
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
14.67 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 0.991 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
C C 0.4532 0.4532 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C Kl None None Movis NIR Popescu 2018A&A...617A..12P PHOT