Peiroos

02893, 1933 BJ, 1933BJ, 1970 EE, 1970EE, 1975 QD, 1975QD, 1979 YV4, 1979YV4, 1981 AP, 1981AP, J33B00J, J70E00E, J75Q00D, J79Y04V, J81A00P

All data for this body: [vot]

MPC data
Name (number) Peiroos (2893)
a 5.13823
e 0.07630
i / sin(i) 14.6652 / 0.25317
q 4.74616
Q 5.53029
ω 172.9933
Node 108.7721
m 92.7204
n 0.0846
Epoch 2460800.5
nobs 4276
nopp 42
Years observed 1933-2025
rms 0.63
Best values
[raw, vot]

Value Standard error
Parent
 
ap
ep
sin(ip)
G 0.150
H 9.000
Mass
D 87.80 0.814
pV 0.039 0.0020
Value
Rotational Period 8.940
Period quality 3
Spectral Class D
Spectral Class Score 40.930
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
86.47 17.290 17.290 Ali-Lagoa 2018A&A...612A..85A NEATM
86.76 2.050 2.050 Usui 2011PASJ...63.1117U NEATM
86.88 0.950 0.950 Grav 2012ApJ...759...49G NEATM
87.46 6.900 6.900 Tedesco 2002AJ....123.1056T STM
89.41 17.880 17.880 Ali-Lagoa 2018A&A...612A..85A NEATM
91.04 18.210 18.210 Ali-Lagoa 2018A&A...612A..85A NEATM
96.94 4.500 4.500 Grav 2011ApJ...742...40G NEATM
97.69 3.479 3.479 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.035 0.0040 0.0040 Grav 2011ApJ...742...40G NEATM
0.038 0.0027 0.0027 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.047 0.0080 0.0080 Tedesco 2002AJ....123.1056T STM
0.047 0.0190 0.0190 Ali-Lagoa 2018A&A...612A..85A NEATM
0.048 0.0080 0.0080 Grav 2012ApJ...759...49G NEATM
0.049 0.0200 0.0200 Ali-Lagoa 2018A&A...612A..85A NEATM
0.052 0.0210 0.0210 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
9.00 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
8.936 3 Synodic Stephens 2018MPBu...45..124S Lightcurve
8.945 3 Synodic Stephens 2019MPBu...46..315S Lightcurve
8.946 3 Synodic Stephens 2020MPBu...47..285S Lightcurve
8.949 Synodic McNeill 2021PSJ.....2....6M Lightcurve
8.951 3- Synodic Stephens 2017MPBu...44..123S Lightcurve
8.96 3 Synodic Gonano 1991AdSpR..11l.197G Lightcurve
8.99 3- Synodic Stephens 2016MPBu...43..265S Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
D Bus-DeMeo NIR Gartrelle 2021Icar..35414043G SPEC
D 0.990000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
D 1.000000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
L&D D DeMeo-Carry VIS Choi 2023PSJ.....4...49C PHOT
D Bus-DeMeo VISNIR Gartrelle 2021Icar..36114349G PHOT