1981 DQ1

1981DQ1, 1997 TO, 1997TO, 43735, J81D01Q, J97T00O

All data for this body: [vot]

MPC data
Name (number) 1981 DQ1 (43735)
a 2.78418
e 0.16439
i / sin(i) 8.4154 / 0.14635
q 2.32648
Q 3.24187
ω 165.8248
Node 291.4460
m 244.3584
n 0.2122
Epoch 2460800.5
nobs 2203
nopp 23
Years observed 1978-2025
rms 0.73
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.785
ep 0.175
sin(ip) 0.161
G 0.150
H 14.130
Mass
D 12.71 0.649
pV 0.027 0.0079
Value
Rotational Period
Period quality None
Spectral Class X
Spectral Class Score 5.892
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7852 0.1749 0.1605 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
11.58 3.745 3.745 Masiero 2017AJ....154..168M NEATM
11.85 4.710 4.710 Masiero 2020PSJ.....1....5M NEATM
13.44 0.760 0.760 Usui 2011PASJ...63.1117U NEATM
13.99 2.800 2.800 Ali-Lagoa 2018A&A...612A..85A NEATM
9.38 2.140 2.140 Masiero 2020PSJ.....1....5M NEATM
9.52 2.350 2.350 Masiero 2020PSJ.....1....5M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.021 0.0127 0.0127 Masiero 2017AJ....154..168M NEATM
0.028 0.0110 0.0110 Ali-Lagoa 2018A&A...612A..85A NEATM
0.048 0.0570 0.0570 Masiero 2020PSJ.....1....5M NEATM
0.049 0.0450 0.0450 Masiero 2020PSJ.....1....5M NEATM
0.050 0.0390 0.0390 Masiero 2020PSJ.....1....5M 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
14.13 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 0.982 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT