1982 JD1

1982JD1, 09731, 1993 JC, 1993JC, J82J01D, J93J00C

All data for this body: [vot]

MPC data
Name (number) 1982 JD1 (9731)
a 2.38355
e 0.17031
i / sin(i) 8.3717 / 0.14560
q 1.97761
Q 2.78949
ω 37.1793
Node 214.9756
m 233.9956
n 0.2678
Epoch 2460800.5
nobs 3218
nopp 24
Years observed 1990-2025
rms 0.71
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.382
ep 0.181
sin(ip) 0.153
G 0.150
H 14.160
Mass
D 4.54 0.129
pV 0.236 0.0678
Value
Rotational Period 2.830
Period quality 3-
Spectral Class S
Spectral Class Score 16.147
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3820 0.1813 0.1529 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.54 0.129 0.129 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.236 0.0678 0.0678 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
14.16 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
2.833 3- Synodic Warner 2009MPBu...36....7W Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
LS 0.30 Bus VIS Carvano 2010A&A...510A..43C PHOT
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S 0.665 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S S 0.7608 0.8470 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9321 0.8470 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT