2000 QM121

2000QM121, 1998 HY146, 1998HY146, 1999 NB2, 1999NB2, 38717, J98HE6Y, J99N02B, K00QC1M

All data for this body: [vot]

MPC data
Name (number) 2000 QM121 (38717)
a 3.04822
e 0.13085
i / sin(i) 20.8128 / 0.35532
q 2.64937
Q 3.44708
ω 243.6144
Node 184.4862
m 176.0141
n 0.1852
Epoch 2460800.5
nobs 2717
nopp 23
Years observed 1998-2025
rms 0.72
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.046
ep 0.124
sin(ip) 0.358
G 0.150
H 13.580
Mass
D 10.08 0.295
pV 0.059 0.0097
Value
Rotational Period 8.697
Period quality 2
Spectral Class C
Spectral Class Score 4.797
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.0456 0.1243 0.3585 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
11.65 3.420 3.420 Masiero 2020PSJ.....1....5M NEATM
11.89 2.380 2.380 Ali-Lagoa 2018A&A...612A..85A NEATM
12.30 1.050 1.050 Usui 2011PASJ...63.1117U NEATM
13.60 2.720 2.720 Ali-Lagoa 2018A&A...612A..85A NEATM
9.79 0.313 0.313 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.045 0.0180 0.0180 Ali-Lagoa 2018A&A...612A..85A NEATM
0.052 0.0710 0.0710 Masiero 2020PSJ.....1....5M NEATM
0.059 0.0240 0.0240 Ali-Lagoa 2018A&A...612A..85A NEATM
0.067 0.0134 0.0134 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
13.58 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
8.6971 2 Sidereal Durech 2023A&A...675A..24D Model
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
C DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
C C 0.1154 0.1170 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C C 0.3508 0.1170 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S C 0.0949 0.1170 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X 0.30 Bus VIS Carvano 2010A&A...510A..43C PHOT
X C 0.1350 0.1170 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT