l'Epee

09853, 1936 OD, 1936OD, 1977 QK4, 1977QK4, 1981 LL, 1981LL, 1991 AN2, 1991AN2, 1992 EY3, 1992EY3, J36O00D, J77Q04K, J81L00L, J91A02N, J92E03Y

All data for this body: [vot]

MPC data
Name (number) l'Epee (9853)
a 2.55901
e 0.17695
i / sin(i) 17.6850 / 0.30378
q 2.10619
Q 3.01182
ω 173.1336
Node 147.0972
m 237.1557
n 0.2408
Epoch 2460800.5
nobs 4194
nopp 28
Years observed 1936-2025
rms 0.67
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.559
ep 0.139
sin(ip) 0.285
G 0.150
H 12.960
Mass
D 9.96 0.050
pV 0.124 0.0072
Value
Rotational Period 134.720
Period quality 2
Spectral Class L
Spectral Class Score 17.394
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5587 0.1386 0.2853 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
10.51 2.460 2.460 Masiero 2020PSJ.....1....5M NEATM
10.58 0.680 0.680 Usui 2011PASJ...63.1117U NEATM
11.10 2.220 2.220 Ali-Lagoa 2018A&A...612A..85A NEATM
11.30 2.620 2.620 Masiero 2020PSJ.....1....5M NEATM
12.07 0.100 0.100 Masiero 2012ApJ...759L...8M NEATM
9.18 0.130 0.130 Masiero 2014ApJ...791..121M NEATM
9.27 0.064 0.064 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.097 0.0660 0.0660 Masiero 2020PSJ.....1....5M NEATM
0.097 0.0770 0.0770 Masiero 2020PSJ.....1....5M NEATM
0.101 0.0200 0.0200 Masiero 2012ApJ...759L...8M NEATM
0.108 0.0127 0.0127 Masiero 2011ApJ...741...68M NEATM
0.126 0.0500 0.0500 Ali-Lagoa 2018A&A...612A..85A NEATM
0.140 0.0100 0.0100 Masiero 2014ApJ...791..121M 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
12.96 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
134.726 2 Sidereal Durech 2020A&A...643A..59D Model
134.73212 2 Sidereal Martikainen 2021A&A...649A..98M Model
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
L DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
L 0.978 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
L L 0.7902 0.7940 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
L L 0.7975 0.7940 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X 0.07 Bus VIS Carvano 2010A&A...510A..43C PHOT