1997 AP21

1997AP21, 07619, 1979 WP6, 1979WP6, 1992 SX13, 1992SX13, J79W06P, J92S13X, J97A21P

All data for this body: [vot]

MPC data
Name (number) 1997 AP21 (7619)
a 2.22173
e 0.09330
i / sin(i) 2.0335 / 0.03548
q 2.01443
Q 2.42902
ω 43.3985
Node 57.8390
m 215.6344
n 0.2976
Epoch 2460800.5
nobs 2686
nopp 23
Years observed 1979-2025
rms 0.73
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.222
ep 0.131
sin(ip) 0.024
G 0.150
H 15.180
Mass
D 2.37 0.129
pV 0.344 0.0481
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 13.838
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2216 0.1313 0.0243 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.37 0.129 0.129 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.344 0.0481 0.0481 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
15.18 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
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S 0.714 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S 0.80 Bus VIS Carvano 2010A&A...510A..43C PHOT
S S 0.9923 0.9923 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT