Alferov

03884, 1969 VL3, 1969VL3, 1971 DY, 1971DY, 1977 EM1, 1977EM1, 1979 QD4, 1979QD4, 1980 TJ12, 1980TJ12, J69V03L, J71D00Y, J77E01M, J79Q04D, J80T12J

All data for this body: [vot]

MPC data
Name (number) Alferov (3884)
a 3.11442
e 0.13823
i / sin(i) 1.1591 / 0.02023
q 2.68392
Q 3.54492
ω 111.9070
Node 9.4216
m 322.3592
n 0.1793
Epoch 2460800.5
nobs 3320
nopp 31
Years observed 1969-2025
rms 0.72
Best values
[raw, vot]

Value Standard error
Parent Themis (24)
 
ap 3.117
ep 0.148
sin(ip) 0.029
G 0.150
H 13.230
Mass
D 13.39 0.076
pV 0.058 0.0073
Value
Rotational Period 2495.000
Period quality 3-
Spectral Class Ad
Spectral Class Score 1.000
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
24 Themis 0 Themis Novakovic 2019EPSC...13.1671N HCM
24 Themis 602 Themis -0.1800 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1172 0.1478 0.0286 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
11.34 3.660 3.660 Nugent 2016AJ....152...63N NEATM
13.39 0.076 0.076 Masiero 2011ApJ...741...68M NEATM
15.79 5.250 5.250 Masiero 2021PSJ.....2..162M NEATM
15.99 3.950 3.950 Masiero 2021PSJ.....2..162M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.041 0.0230 0.0510 Masiero 2021PSJ.....2..162M NEATM
0.046 0.0190 0.0320 Masiero 2021PSJ.....2..162M NEATM
0.059 0.0079 0.0079 Masiero 2011ApJ...741...68M NEATM
0.070 0.0600 0.0600 Nugent 2016AJ....152...63N 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
13.23 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
2495.0 3- Synodic Erasmus 2021MNRAS.506.3872E Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
Ad Ad None None Movis NIR Popescu 2018A&A...617A..12P PHOT