Bethemmons

06856, 1989 EM, 1989EM, 1990 RB2, 1990RB2, J89E00M, J90R02B

All data for this body: [vot]

MPC data
Name (number) Bethemmons (6856)
a 2.37291
e 0.17020
i / sin(i) 1.3323 / 0.02325
q 1.96904
Q 2.77679
ω 302.4638
Node 293.4108
m 278.1754
n 0.2696
Epoch 2460800.5
nobs 3838
nopp 26
Years observed 1978-2025
rms 0.69
Best values
[raw, vot]

Value Standard error
Parent Nysa (44)
 
ap 2.372
ep 0.191
sin(ip) 0.039
G 0.150
H 13.990
Mass
D 4.10 0.176
pV 0.356 0.0496
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 6.453
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
135 Hertha 0 Hertha Novakovic 2019EPSC...13.1671N HCM
44 Nysa 405 Nysa-Polana -0.9300 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3723 0.1910 0.0391 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.94 0.220 0.220 Masiero 2012ApJ...759L...8M NEATM
4.37 0.293 0.293 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.336 0.0704 0.0704 Masiero 2011ApJ...741...68M NEATM
0.376 0.0700 0.0700 Masiero 2012ApJ...759L...8M 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
13.99 MPC-2023-12-04 MPC-2023-12-04 Phot
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S Ad None None Movis NIR Popescu 2018A&A...617A..12P PHOT
S S 0.9088 0.9088 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT