Blok

02540, 1950 ED, 1950ED, 1957 JQ, 1957JQ, 1960 FK, 1960FK, 1968 UZ, 1968UZ, 1971 TH2, 1971TH2, 1980 LN, 1980LN, 1981 UQ, 1981UQ, J50E00D, J57J00Q, J60F00K, J68U00Z, J71T02H, J80L00N, J81U00Q

All data for this body: [vot]

MPC data
Name (number) Blok (2540)
a 2.19623
e 0.05137
i / sin(i) 1.2665 / 0.02210
q 2.08340
Q 2.30905
ω 261.1403
Node 183.4575
m 93.6628
n 0.3028
Epoch 2460800.5
nobs 5924
nopp 33
Years observed 1950-2025
rms 0.56
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.196
ep 0.091
sin(ip) 0.030
G 0.150
H 13.200
Mass
D 5.98 0.070
pV 0.314 0.0272
Value
Rotational Period 19.000
Period quality 1+
Spectral Class None
Spectral Class Score
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.1965 0.0907 0.0300 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.67 0.120 0.120 Masiero 2014ApJ...791..121M NEATM
6.12 0.092 0.092 Masiero 2011ApJ...741...68M NEATM
6.36 0.270 0.270 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.302 0.0330 0.0330 Masiero 2012ApJ...759L...8M NEATM
0.329 0.0525 0.0525 Masiero 2011ApJ...741...68M NEATM
0.390 0.1200 0.1200 Masiero 2014ApJ...791..121M 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
13.20 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
15.0 Synodic Behrend LCDB Lightcurve
9.6 1+ Synodic Chang 2016ApJS..227...20C Lightcurve