Leloir

02548, 1949 CE, 1949CE, 1966 BM, 1966BM, 1975 DA, 1975DA, 1976 OQ, 1976OQ, J49C00E, J66B00M, J75D00A, J76O00Q

All data for this body: [vot]

MPC data
Name (number) Leloir (2548)
a 2.63515
e 0.10045
i / sin(i) 18.1586 / 0.31165
q 2.37044
Q 2.89986
ω 291.6919
Node 299.3789
m 214.3105
n 0.2304
Epoch 2460800.5
nobs 7793
nopp 31
Years observed 1966-2025
rms 0.49
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.633
ep 0.155
sin(ip) 0.331
G 0.150
H 12.180
Mass
D 11.22 0.058
pV 0.364 0.0324
Value
Rotational Period 3.206
Period quality 3
Spectral Class A
Spectral Class Score 9.950
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6332 0.1554 0.3306 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
10.36 0.130 0.130 Masiero 2014ApJ...791..121M NEATM
11.56 0.067 0.067 Masiero 2011ApJ...741...68M NEATM
9.04 0.300 0.300 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.282 0.0629 0.0629 Masiero 2011ApJ...741...68M NEATM
0.350 0.0700 0.0700 Masiero 2014ApJ...791..121M NEATM
0.412 0.0450 0.0450 Masiero 2012ApJ...759L...8M 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
12.18 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
3.206 2- Synodic Ferrero 2020MPBu...47...64F Lightcurve
3.20602 2 Sidereal Durech 2023A&A...675A..24D Model
3.2063 3 Synodic Behrend LCDB Lightcurve
3.2066 3 Synodic Benishek 2020MPBu...47...75B Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
A Tholen VIS Lazzaro 2004Icar..172..179L SPEC
A 0.990000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
S 0.683 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
SI Bus VIS Lazzaro 2004Icar..172..179L SPEC