Al-Biruni

09936, 1981 UV12, 1981UV12, 1986 PN4, 1986PN4, J81U12V, J86P04N

All data for this body: [vot]

MPC data
Name (number) Al-Biruni (9936)
a 3.08031
e 0.18493
i / sin(i) 15.4083 / 0.26570
q 2.51066
Q 3.64995
ω 14.7347
Node 310.3116
m 69.0957
n 0.1823
Epoch 2460800.5
nobs 4618
nopp 26
Years observed 1981-2025
rms 0.60
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.076
ep 0.218
sin(ip) 0.261
G 0.150
H 12.250
Mass
D 24.33 0.307
pV 0.045 0.0083
Value
Rotational Period 10.700
Period quality 2
Spectral Class C
Spectral Class Score 7.868
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.0757 0.2178 0.2610 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
23.32 6.310 6.310 Masiero 2020PSJ.....1....5M NEATM
24.19 0.314 0.314 Masiero 2011ApJ...741...68M NEATM
24.24 7.620 7.620 Masiero 2021PSJ.....2..162M NEATM
25.79 6.970 6.970 Masiero 2020PSJ.....1....5M NEATM
27.81 1.610 1.610 Usui 2011PASJ...63.1117U NEATM
28.66 5.730 5.730 Ali-Lagoa 2018A&A...612A..85A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.034 0.0140 0.0140 Ali-Lagoa 2018A&A...612A..85A NEATM
0.035 0.0250 0.0250 Masiero 2020PSJ.....1....5M NEATM
0.039 0.0160 0.0280 Masiero 2021PSJ.....2..162M NEATM
0.045 0.0280 0.0280 Masiero 2020PSJ.....1....5M NEATM
0.063 0.0151 0.0151 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
12.25 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
10.704 2 Synodic Clark 2003MPBu...30....4C Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
C 0.21 Bus VIS Carvano 2010A&A...510A..43C PHOT
C C 0.1490 0.3890 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C C 0.4357 0.3890 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C C 0.6567 0.3890 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
X C 0.6041 0.3890 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT