Bethellen

07994, 1951 EB, 1951EB, 1977 AN, 1977AN, 1983 CQ2, 1983CQ2, 1994 EJ2, 1994EJ2, J51E00B, J77A00N, J83C02Q, J94E02J

All data for this body: [vot]

MPC data
Name (number) Bethellen (7994)
a 3.06261
e 0.10320
i / sin(i) 0.0493 / 0.00086
q 2.74655
Q 3.37867
ω 281.2822
Node 232.1598
m 321.1538
n 0.1839
Epoch 2460800.5
nobs 4261
nopp 30
Years observed 1951-2025
rms 0.72
Best values
[raw, vot]

Value Standard error
Parent Themis (24)
 
ap 3.059
ep 0.136
sin(ip) 0.022
G 0.150
H 12.870
Mass
D 17.43 0.120
pV 0.055 0.0021
Value
Rotational Period 164.590
Period quality 2-
Spectral Class C
Spectral Class Score 5.079
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 -0.9400 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.0588 0.1364 0.0222 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
17.42 0.120 0.120 Masiero 2011ApJ...741...68M NEATM
17.69 5.390 5.390 Masiero 2021PSJ.....2..162M NEATM
17.82 4.410 4.410 Nugent 2016AJ....152...63N NEATM
21.26 2.100 2.100 Tedesco 2002AJ....123.1056T STM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.039 0.0090 0.0090 Tedesco 2002AJ....123.1056T STM
0.040 0.0100 0.0100 Nugent 2016AJ....152...63N NEATM
0.044 0.0190 0.0330 Masiero 2021PSJ.....2..162M NEATM
0.056 0.0022 0.0022 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
12.87 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
164.598 2- Synodic Erasmus 2020ApJS..247...13E Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
B C 0.3126 0.3010 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C C 0.8465 0.3010 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S C 0.0577 0.3010 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT