1997 AB2

1997AB2, 19338, 1978 NP6, 1978NP6, J78N06P, J97A02B

All data for this body: [vot]

MPC data
Name (number) 1997 AB2 (19338)
a 2.56741
e 0.01319
i / sin(i) 15.5044 / 0.26731
q 2.53354
Q 2.60128
ω 118.2514
Node 104.3249
m 216.3324
n 0.2396
Epoch 2460800.5
nobs 2392
nopp 23
Years observed 1993-2025
rms 0.70
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.566
ep 0.057
sin(ip) 0.253
G 0.150
H 14.320
Mass
D 5.38 0.120
pV 0.186 0.0168
Value
Rotational Period
Period quality None
Spectral Class X
Spectral Class Score 2.000
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5663 0.0573 0.2531 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.70 0.259 0.259 Masiero 2011ApJ...741...68M NEATM
5.56 0.135 0.135 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.157 0.0226 0.0226 Masiero 2011ApJ...741...68M NEATM
0.221 0.0251 0.0251 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
14.32 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
X C DeMeo-Carry VIS Choi 2023PSJ.....4...49C PHOT