Batrakov

02702, 1971 QU2, 1971QU2, 1972 TU3, 1972TU3, 1976 JQ1, 1976JQ1, 1978 SZ2, 1978SZ2, 1981 AO1, 1981AO1, J71Q02U, J72T03U, J76J01Q, J78S02Z, J81A01O

All data for this body: [vot]

MPC data
Name (number) Batrakov (2702)
a 3.42817
e 0.09170
i / sin(i) 1.6589 / 0.02895
q 3.11379
Q 3.74254
ω 334.1014
Node 241.9367
m 260.7479
n 0.1553
Epoch 2460800.5
nobs 4327
nopp 33
Years observed 1971-2025
rms 0.67
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.428
ep 0.123
sin(ip) 0.049
G 0.150
H 11.870
Mass
D 25.02 0.223
pV 0.065 0.0060
Value
Rotational Period 9.100
Period quality 2+
Spectral Class L
Spectral Class Score 3.456
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.4281 0.1233 0.0488 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
22.38 2.240 2.240 Ali-Lagoa 2018A&A...612A..85A NEATM
24.93 0.233 0.233 Masiero 2011ApJ...741...68M NEATM
26.49 0.820 0.820 Usui 2011PASJ...63.1117U NEATM
27.19 5.440 5.440 Ali-Lagoa 2018A&A...612A..85A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.049 0.0200 0.0200 Ali-Lagoa 2018A&A...612A..85A NEATM
0.065 0.0069 0.0069 Masiero 2011ApJ...741...68M NEATM
0.073 0.0150 0.0150 Ali-Lagoa 2018A&A...612A..85A 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
11.87 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
7.654 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
9.15 2+ Synodic Warner 2018MPBu...45...39W Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
L 0.576 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT