1999 RQ138

1999RQ138, 2000 WU165, 2000WU165, 59894, J99RD8Q, K00WG5U

All data for this body: [vot]

MPC data
Name (number) 1999 RQ138 (59894)
a 3.20710
e 0.03934
i / sin(i) 15.2806 / 0.26355
q 3.08094
Q 3.33325
ω 239.1255
Node 171.0226
m 114.2822
n 0.1716
Epoch 2460800.5
nobs 1926
nopp 21
Years observed 1991-2025
rms 0.76
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.207
ep 0.032
sin(ip) 0.261
G 0.150
H 14.260
Mass
D 7.67 0.109
pV 0.075 0.0154
Value
Rotational Period 15.840
Period quality 2
Spectral Class B
Spectral Class Score 5.009
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.2070 0.0318 0.2607 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
7.67 0.109 0.109 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.075 0.0154 0.0154 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
14.26 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
15.8375 2 Sidereal Durech 2023A&A...675A..24D Model
15.8406 2 Synodic Pal 2020ApJS..247...26P Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
B B 0.0545 0.4010 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
B B 0.7804 0.4010 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
C 0.14 Bus VIS Carvano 2010A&A...510A..43C PHOT
C B 0.4392 0.4010 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT