1997 AD4

1997AD4, 1999 RN190, 1999RN190, 42575, J97A04D, J99RJ0N

All data for this body: [vot]

MPC data
Name (number) 1997 AD4 (42575)
a 2.57481
e 0.08536
i / sin(i) 3.5451 / 0.06184
q 2.35503
Q 2.79459
ω 150.2410
Node 324.7396
m 315.8171
n 0.2386
Epoch 2460800.5
nobs 1568
nopp 22
Years observed 1992-2025
rms 0.78
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.574
ep 0.157
sin(ip) 0.069
G 0.150
H 15.180
Mass
D
pV
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 5.577
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5743 0.1566 0.0693 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
15.18 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
C 0.171 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
Q 0.56 Bus VIS Carvano 2010A&A...510A..43C PHOT
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S S 0.5961 0.5961 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT