NARIT

13957, 1981 VE1, 1981VE1, 1991 AG2, 1991AG2, J81V01E, J91A02G

All data for this body: [vot]

MPC data
Name (number) NARIT (13957)
a 2.71886
e 0.29887
i / sin(i) 14.7354 / 0.25435
q 1.90627
Q 3.53144
ω 243.9196
Node 153.3348
m 263.5615
n 0.2198
Epoch 2460800.5
nobs 4291
nopp 24
Years observed 1981-2025
rms 0.57
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.716
ep 0.262
sin(ip) 0.256
G 0.150
H 14.270
Mass
D 8.45 0.136
pV 0.075 0.0086
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 3.765
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7164 0.2619 0.2557 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
8.33 0.251 0.251 Masiero 2011ApJ...741...68M NEATM
8.49 0.163 0.163 Masiero 2011ApJ...741...68M NEATM
9.33 3.040 3.040 Masiero 2020PSJ.....1....5M NEATM
9.40 2.760 2.760 Masiero 2020PSJ.....1....5M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.037 0.0250 0.0250 Masiero 2020PSJ.....1....5M NEATM
0.051 0.0390 0.0390 Masiero 2020PSJ.....1....5M NEATM
0.081 0.0120 0.0120 Masiero 2011ApJ...741...68M NEATM
0.084 0.0153 0.0153 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
14.27 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
B C 0.2372 0.2220 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
C C 0.2942 0.2220 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT