Firnberg

1961 TS, 1961TS, 1978 QP2, 1978QP2, 1999 XF85, 1999XF85, 25492, J61T00S, J78Q02P, J99X85F

All data for this body: [vot]

MPC data
Name (number) Firnberg (25492)
a 2.26748
e 0.19841
i / sin(i) 1.4627 / 0.02553
q 1.81759
Q 2.71738
ω 64.2574
Node 296.5641
m 230.4366
n 0.2887
Epoch 2460800.5
nobs 1762
nopp 21
Years observed 1961-2025
rms 0.79
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.268
ep 0.156
sin(ip) 0.041
G 0.150
H 15.550
Mass
D 5.17 0.060
pV 0.061 0.0127
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 4.412
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2675 0.1557 0.0408 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.77 0.680 0.680 Masiero 2021PSJ.....2..162M NEATM
3.80 0.959 0.959 Masiero 2017AJ....154..168M NEATM
4.19 1.240 1.240 Masiero 2021PSJ.....2..162M NEATM
5.19 0.060 0.060 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.052 0.0167 0.0167 Masiero 2011ApJ...741...68M NEATM
0.056 0.0220 0.0380 Masiero 2021PSJ.....2..162M NEATM
0.085 0.0380 0.0380 Masiero 2017AJ....154..168M NEATM
0.086 0.0280 0.0420 Masiero 2021PSJ.....2..162M 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
15.55 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
B DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
B 0.384 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
C C 0.7354 0.7354 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT