Perec

02817, 1953 TF2, 1953TF2, 1953 TU, 1953TU, 1964 VH1, 1964VH1, 1971 TL1, 1971TL1, 1975 VQ1, 1975VQ1, 1975 XW1, 1975XW1, 1978 NF2, 1978NF2, 1982 UJ, 1982UJ, J53T00U, J53T02F, J64V01H, J71T01L, J75V01Q, J75X01W, J78N02F, J82U00J

All data for this body: [vot]

MPC data
Name (number) Perec (2817)
a 2.35814
e 0.17838
i / sin(i) 2.2737 / 0.03967
q 1.93749
Q 2.77880
ω 97.2939
Node 254.6299
m 291.8460
n 0.2722
Epoch 2460800.5
nobs 3468
nopp 33
Years observed 1953-2025
rms 0.68
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.358
ep 0.139
sin(ip) 0.057
G 0.150
H 14.070
Mass
D 10.09 0.093
pV 0.057 0.0049
Value
Rotational Period
Period quality None
Spectral Class B
Spectral Class Score 5.430
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3578 0.1388 0.0574 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
10.03 0.219 0.219 Masiero 2011ApJ...741...68M NEATM
10.14 0.104 0.104 Masiero 2011ApJ...741...68M NEATM
7.35 1.420 1.420 Masiero 2020PSJ.....1....5M NEATM
7.35 2.110 2.110 Nugent 2016AJ....152...63N NEATM
7.82 2.330 2.330 Masiero 2020PSJ.....1....5M NEATM
8.21 2.575 2.575 Masiero 2017AJ....154..168M NEATM
8.69 2.830 2.830 Masiero 2021PSJ.....2..162M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.054 0.0069 0.0069 Masiero 2011ApJ...741...68M NEATM
0.058 0.0077 0.0077 Masiero 2011ApJ...741...68M NEATM
0.059 0.0250 0.0440 Masiero 2021PSJ.....2..162M NEATM
0.062 0.0430 0.0430 Masiero 2020PSJ.....1....5M NEATM
0.070 0.0500 0.0500 Nugent 2016AJ....152...63N NEATM
0.072 0.0468 0.0468 Masiero 2017AJ....154..168M NEATM
0.084 0.0350 0.0350 Masiero 2020PSJ.....1....5M 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
14.07 MPC-2023-12-04 MPC-2023-12-04 Phot
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
B 0.905 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT