1997 AA4

1997AA4, 1999 RM60, 1999RM60, 65840, J97A04A, J99R60M

All data for this body: [vot]

MPC data
Name (number) 1997 AA4 (65840)
a 2.47405
e 0.18895
i / sin(i) 2.2187 / 0.03871
q 2.00658
Q 2.94152
ω 122.3078
Node 283.0133
m 157.9405
n 0.2533
Epoch 2460800.5
nobs 1259
nopp 19
Years observed 1997-2025
rms 0.79
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.475
ep 0.171
sin(ip) 0.052
G 0.150
H 15.820
Mass
D
pV
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 7.003
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4747 0.1713 0.0525 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
15.82 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
S S 0.2105 0.7910 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9566 0.7910 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT