Jeffbeck

1998 HM45, 1998HM45, 1999 RR232, 1999RR232, 38431, J98H45M, J99RN2R

All data for this body: [vot]

MPC data
Name (number) Jeffbeck (38431)
a 2.70283
e 0.12781
i / sin(i) 9.9733 / 0.17319
q 2.35739
Q 3.04827
ω 314.1962
Node 1.2807
m 295.2141
n 0.2218
Epoch 2460800.5
nobs 1803
nopp 20
Years observed 1998-2025
rms 0.78
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.703
ep 0.102
sin(ip) 0.175
G 0.150
H 14.630
Mass
D 5.69 0.372
pV 0.114 0.0324
Value
Rotational Period
Period quality None
Spectral Class D
Spectral Class Score 3.752
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7029 0.1025 0.1749 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.69 0.372 0.372 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.114 0.0324 0.0324 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
14.63 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
D D 0.6253 0.6253 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT