Larsbergknut

08459, 1978 RB9, 1978RB9, 1981 EQ18, 1981EQ18, J78R09B, J81E18Q

All data for this body: [vot]

MPC data
Name (number) Larsbergknut (8459)
a 3.12115
e 0.18778
i / sin(i) 1.8792 / 0.03279
q 2.53505
Q 3.70726
ω 252.6044
Node 147.5006
m 109.6682
n 0.1787
Epoch 2460800.5
nobs 2690
nopp 24
Years observed 1978-2025
rms 0.77
Best values
[raw, vot]

Value Standard error
Parent Themis (24)
 
ap 3.130
ep 0.153
sin(ip) 0.024
G 0.150
H 13.910
Mass
D 10.07 0.380
pV 0.063 0.0093
Value
Rotational Period 11.750
Period quality 2
Spectral Class C
Spectral Class Score 8.511
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
24 Themis 0 Themis Novakovic 2019EPSC...13.1671N HCM
656 Beagle 0 Beagle Novakovic 2019EPSC...13.1671N HCM
24 Themis 602 Themis -0.0400 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1304 0.1526 0.0244 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
10.08 0.383 0.383 Masiero 2011ApJ...741...68M NEATM
8.97 3.230 3.230 Masiero 2020PSJ.....1....5M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.063 0.0094 0.0094 Masiero 2011ApJ...741...68M NEATM
0.066 0.0660 0.0660 Masiero 2020PSJ.....1....5M 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
13.91 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
11.759 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 0.2631 0.2420 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
B C 0.2962 0.2420 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C 0.524 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
C C 0.8945 0.2420 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT