1981 DT

1981DT, 17371, 1997 CU15, 1997CU15, J81D00T, J97C15U

All data for this body: [vot]

MPC data
Name (number) 1981 DT (17371)
a 3.10135
e 0.05502
i / sin(i) 14.8127 / 0.25566
q 2.93072
Q 3.27198
ω 196.7364
Node 328.5836
m 45.2338
n 0.1805
Epoch 2460800.5
nobs 3405
nopp 22
Years observed 1981-2025
rms 0.60
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.100
ep 0.096
sin(ip) 0.267
G 0.150
H 13.370
Mass
D 10.10 0.227
pV 0.052 0.0065
Value
Rotational Period 6.138
Period quality 2
Spectral Class D
Spectral Class Score 11.827
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1000 0.0955 0.2674 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
10.10 0.227 0.227 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.052 0.0065 0.0065 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
13.37 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
6.13834 2 Synodic Pal 2020ApJS..247...26P Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
D 0.62 Bus VIS Carvano 2010A&A...510A..43C PHOT
L DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
L D 0.4885 0.4820 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X D 0.5759 0.4820 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
D D 0.3244 0.4820 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
D D 0.5270 0.4820 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
D D 0.9131 0.4820 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT