Klement'ev

03921, 1928 QO, 1928QO, 1954 RM, 1954RM, 1971 OH, 1971OH, 1980 WT, 1980WT, 1982 DW4, 1982DW4, 1984 QK1, 1984QK1, J28Q00O, J54R00M, J71O00H, J80W00T, J82D04W, J84Q01K

All data for this body: [vot]

MPC data
Name (number) Klement'ev (3921)
a 2.64677
e 0.28554
i / sin(i) 12.0304 / 0.20843
q 1.89100
Q 3.40254
ω 216.4289
Node 155.2399
m 132.4094
n 0.2289
Epoch 2460800.5
nobs 4409
nopp 28
Years observed 1954-2025
rms 0.70
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.650
ep 0.247
sin(ip) 0.195
G 0.150
H 12.770
Mass
D 16.54 0.030
pV 0.039 0.0021
Value
Rotational Period 6.750
Period quality 3-
Spectral Class X
Spectral Class Score 3.144
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6499 0.2472 0.1947 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
15.32 2.920 2.920 Masiero 2012ApJ...759L...8M NEATM
16.51 0.031 0.031 Masiero 2011ApJ...741...68M NEATM
16.70 0.160 0.160 Nugent 2016AJ....152...63N NEATM
16.87 5.800 5.800 Masiero 2021PSJ.....2..162M NEATM
16.99 4.400 4.400 Masiero 2021PSJ.....2..162M NEATM
17.16 5.210 5.210 Masiero 2020PSJ.....1....5M NEATM
17.61 1.760 1.760 Ali-Lagoa 2018A&A...612A..85A NEATM
17.87 0.240 0.240 Usui 2011PASJ...63.1117U NEATM
18.50 1.850 1.850 Ali-Lagoa 2018A&A...612A..85A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.036 0.0130 0.0210 Masiero 2021PSJ.....2..162M NEATM
0.038 0.0022 0.0022 Masiero 2011ApJ...741...68M NEATM
0.041 0.0180 0.0330 Masiero 2021PSJ.....2..162M NEATM
0.048 0.0510 0.0510 Masiero 2020PSJ.....1....5M NEATM
0.050 0.0100 0.0100 Ali-Lagoa 2018A&A...612A..85A NEATM
0.051 0.0280 0.0280 Masiero 2012ApJ...759L...8M NEATM
0.055 0.0110 0.0110 Ali-Lagoa 2018A&A...612A..85A 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
12.77 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
6.72321 2 Sidereal Durech 2023A&A...675A..24D Model
6.754 3- Synodic Behrend LCDB 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 0.5218 0.5218 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
C 0.35 Bus VIS Carvano 2010A&A...510A..43C PHOT
X 0.524 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT