1991 EA1

1991EA1, 06325, 1989 WR4, 1989WR4, J89W04R, J91E01A

All data for this body: [vot]

MPC data
Name (number) 1991 EA1 (6325)
a 2.73741
e 0.20020
i / sin(i) 9.9977 / 0.17361
q 2.18938
Q 3.28544
ω 161.5871
Node 39.9763
m 174.1097
n 0.2176
Epoch 2460800.5
nobs 3723
nopp 29
Years observed 1955-2025
rms 0.63
Best values
[raw, vot]

Value Standard error
Parent Chloris (410)
 
ap 2.737
ep 0.251
sin(ip) 0.157
G 0.150
H 13.260
Mass
D 12.14 0.108
pV 0.070 0.0127
Value
Rotational Period
Period quality None
Spectral Class X
Spectral Class Score 3.714
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
410 Chloris 0 Chloris Novakovic 2019EPSC...13.1671N HCM
410 Chloris 509 Chloris 0.3900 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7371 0.2512 0.1569 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
12.14 0.108 0.108 Masiero 2011ApJ...741...68M NEATM
9.15 2.760 2.760 Masiero 2020PSJ.....1....5M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.069 0.0128 0.0128 Masiero 2011ApJ...741...68M NEATM
0.122 0.0860 0.0860 Masiero 2020PSJ.....1....5M 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
13.26 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
X 0.619 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT