1999 UM13

1999UM13, 1998 HL152, 1998HL152, 41006, J98HF2L, J99U13M

All data for this body: [vot]

MPC data
Name (number) 1999 UM13 (41006)
a 2.53146
e 0.13656
i / sin(i) 1.7027 / 0.02971
q 2.18575
Q 2.87717
ω 10.2861
Node 298.7718
m 174.7006
n 0.2447
Epoch 2460800.5
nobs 1587
nopp 24
Years observed 1992-2025
rms 0.77
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.532
ep 0.118
sin(ip) 0.045
G 0.150
H 15.490
Mass
D 2.38 0.533
pV 0.216 0.0960
Value
Rotational Period 3.300
Period quality 2
Spectral Class L
Spectral Class Score 6.500
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5322 0.1181 0.0449 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.38 0.533 0.533 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.216 0.0960 0.0960 Masiero 2011ApJ...741...68M 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
15.49 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
3.33 2 Synodic Chang 2014ApJ...788...17C Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
L L 0.4986 0.3170 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
L L 0.5848 0.3170 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S L 0.8556 0.3170 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
V L 0.2977 0.3170 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X L 0.1836 0.3170 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT