El Djezair

ElDjezair, 00858, 1908 UC, 1908UC, 1911 HE, 1911HE, 1916 KF, 1916KF, J08U00C, J11H00E, J16K00F

All data for this body: [vot]

MPC data
Name (number) El Djezair (858)
a 2.81093
e 0.10352
i / sin(i) 8.8668 / 0.15414
q 2.51994
Q 3.10192
ω 177.7987
Node 67.1069
m 52.8483
n 0.2091
Epoch 2460800.5
nobs 8064
nopp 49
Years observed 1908-2025
rms 0.53
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.810
ep 0.133
sin(ip) 0.136
G 0.150
H 10.410
Mass
D 23.13 0.064
pV 0.271 0.0235
Value
Rotational Period 29.630
Period quality 2
Spectral Class L
Spectral Class Score 12.854
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.8097 0.1328 0.1358 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
22.52 0.070 0.070 Masiero 2014ApJ...791..121M NEATM
23.51 2.600 2.600 Tedesco 2002AJ....123.1056T STM
23.96 4.790 4.790 Ali-Lagoa 2018A&A...612A..85A NEATM
23.99 2.400 2.400 Ali-Lagoa 2018A&A...612A..85A NEATM
24.21 0.410 0.410 Usui 2011PASJ...63.1117U NEATM
24.46 4.770 4.770 Masiero 2012ApJ...759L...8M NEATM
25.27 5.050 5.050 Ali-Lagoa 2018A&A...612A..85A NEATM
26.52 0.170 0.170 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.234 0.0940 0.0940 Ali-Lagoa 2018A&A...612A..85A NEATM
0.236 0.1100 0.1100 Masiero 2012ApJ...759L...8M NEATM
0.252 0.0350 0.0350 Masiero 2011ApJ...741...68M NEATM
0.260 0.0520 0.0520 Ali-Lagoa 2018A&A...612A..85A NEATM
0.261 0.1040 0.1040 Ali-Lagoa 2018A&A...612A..85A NEATM
0.320 0.0850 0.0850 Tedesco 2002AJ....123.1056T STM
0.370 0.0700 0.0700 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
10.41 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
14.83 2 Synodic Polakis 2019MPBu...46..287P Lightcurve
19.0 2 Synodic Behrend LCDB Lightcurve
22.31 2 Synodic Warner 2005MPBu...32...90W Lightcurve
29.639 2 Synodic Dose 2022MPBu...49..141D Lightcurve
31.16 2 Synodic Polakis LCDB Lightcurve
33.525 2 Synodic Colazo 2021MPBu...48..140C Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S Tholen VIS Clark 1995Icar..113..387C PHOT
L 0.980000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
L 0.999 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S S 0.5449 0.2310 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT