1997 EN51

1997EN51, 2000 WJ20, 2000WJ20, 37761, J97E51N, K00W20J

All data for this body: [vot]

MPC data
Name (number) 1997 EN51 (37761)
a 3.20455
e 0.12376
i / sin(i) 0.4059 / 0.00708
q 2.80796
Q 3.60115
ω 170.7675
Node 44.1158
m 295.9202
n 0.1718
Epoch 2460800.5
nobs 1426
nopp 23
Years observed 1997-2025
rms 0.85
Best values
[raw, vot]

Value Standard error
Parent Themis (24)
 
ap 3.187
ep 0.173
sin(ip) 0.019
G 0.150
H 14.460
Mass
D 7.65 0.335
pV 0.063 0.0150
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 6.638
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 0.3000 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1873 0.1729 0.0194 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
7.65 0.335 0.335 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.063 0.0150 0.0150 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
14.46 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 0.0756 0.2600 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C 0.51 Bus VIS Carvano 2010A&A...510A..43C PHOT
C C 0.1327 0.2600 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C C 0.1662 0.2600 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C C 0.2769 0.2600 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C C 0.3606 0.2600 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT