1997 ER5

1997ER5, 1999 WS6, 1999WS6, 43961, J97E05R, J99W06S

All data for this body: [vot]

MPC data
Name (number) 1997 ER5 (43961)
a 2.48158
e 0.14314
i / sin(i) 2.2505 / 0.03927
q 2.12637
Q 2.83679
ω 232.4403
Node 164.9607
m 204.9048
n 0.2521
Epoch 2460800.5
nobs 2385
nopp 21
Years observed 1997-2025
rms 0.76
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.482
ep 0.128
sin(ip) 0.041
G 0.150
H 15.020
Mass
D 2.81 0.356
pV 0.268 0.0559
Value
Rotational Period
Period quality None
Spectral Class A
Spectral Class Score 2.124
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4823 0.1276 0.0413 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.81 0.356 0.356 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.268 0.0559 0.0559 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
15.02 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
A 0.354 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT