Smirnova

05540, 1971 QR1, 1971QR1, 1988 VX1, 1988VX1, J71Q01R, J88V01X

All data for this body: [vot]

MPC data
Name (number) Smirnova (5540)
a 2.59729
e 0.31080
i / sin(i) 4.5760 / 0.07978
q 1.79006
Q 3.40453
ω 124.6700
Node 222.9811
m 291.6921
n 0.2355
Epoch 2460800.5
nobs 2578
nopp 27
Years observed 1971-2025
rms 0.71
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.599
ep 0.235
sin(ip) 0.099
G 0.150
H 14.370
Mass
D 3.61 0.076
pV 0.285 0.0639
Value
Rotational Period 39.978
Period quality 2
Spectral Class None
Spectral Class Score
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5985 0.2355 0.0994 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.61 0.076 0.076 Masiero 2011ApJ...741...68M NEATM
3.93 0.740 0.740 Masiero 2020PSJ.....1....5M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.224 0.0920 0.0920 Masiero 2020PSJ.....1....5M NEATM
0.341 0.0887 0.0887 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
14.37 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
39.9787 2 Synodic Pal 2020ApJS..247...26P Lightcurve