1981 EV5

1981EV5, 2000 UN66, 2000UN66, 99972, J81E05V, K00U66N

All data for this body: [vot]

MPC data
Name (number) 1981 EV5 (99972)
a 3.08341
e 0.04129
i / sin(i) 8.9942 / 0.15634
q 2.95611
Q 3.21072
ω 214.4359
Node 233.4446
m 141.4818
n 0.1820
Epoch 2460800.5
nobs 1106
nopp 20
Years observed 1981-2025
rms 0.77
Best values
[raw, vot]

Value Standard error
Parent Eos (221)
 
ap 3.082
ep 0.052
sin(ip) 0.172
G 0.150
H 14.880
Mass
D 4.55 1.193
pV 0.123 0.0264
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 5.928
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
221 Eos 606 Eos 0.4900 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.0821 0.0519 0.1720 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.55 1.193 1.193 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.123 0.0264 0.0264 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
14.88 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
D D 0.3922 0.3922 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S 0.988 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT