1991 PT12

1991PT12, 10533, 1982 SR11, 1982SR11, J82S11R, J91P12T

All data for this body: [vot]

MPC data
Name (number) 1991 PT12 (10533)
a 2.79114
e 0.08351
i / sin(i) 0.8739 / 0.01525
q 2.55806
Q 3.02422
ω 299.6660
Node 58.3067
m 60.1788
n 0.2114
Epoch 2460800.5
nobs 3263
nopp 24
Years observed 1982-2025
rms 0.72
Best values
[raw, vot]

Value Standard error
Parent Astrid (1128)
 
ap 2.790
ep 0.048
sin(ip) 0.012
G 0.150
H 13.850
Mass
D 10.79 0.053
pV 0.052 0.0050
Value
Rotational Period 17.207
Period quality 2
Spectral Class X
Spectral Class Score 7.234
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
1128 Astrid 0 Astrid Novakovic 2019EPSC...13.1671N HCM
1128 Astrid 515 Astrid 0.4000 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7899 0.0483 0.0117 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
10.47 2.420 2.420 Masiero 2021PSJ.....2..162M NEATM
10.79 0.053 0.053 Masiero 2011ApJ...741...68M NEATM
10.82 2.420 2.420 Masiero 2021PSJ.....2..162M NEATM
10.88 3.660 3.660 Masiero 2021PSJ.....2..162M NEATM
10.97 2.950 2.950 Nugent 2016AJ....152...63N NEATM
11.35 3.320 3.320 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.040 0.0300 0.0300 Nugent 2016AJ....152...63N NEATM
0.049 0.0280 0.0630 Masiero 2021PSJ.....2..162M NEATM
0.050 0.0410 0.0410 Masiero 2012ApJ...759L...8M NEATM
0.050 0.0230 0.0420 Masiero 2021PSJ.....2..162M NEATM
0.052 0.0053 0.0053 Masiero 2011ApJ...741...68M NEATM
0.053 0.0210 0.0360 Masiero 2021PSJ.....2..162M 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
13.85 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
17.20735 2 Sidereal Durech 2018A&A...617A..57D Model
8.6007 2 Sidereal Durech 2023A&A...675A..24D Model
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
C DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
C 0.99 Bus VIS Carvano 2010A&A...510A..43C PHOT
X 0.625 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
X X 0.5806 0.5806 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT