Grondahl

18016, 1996 TK58, 1996TK58, 1999 JU122, 1999JU122, J96T58K, J99JC2U

All data for this body: [vot]

MPC data
Name (number) Grondahl (18016)
a 2.38758
e 0.07097
i / sin(i) 6.7498 / 0.11753
q 2.21812
Q 2.55704
ω 27.6794
Node 232.0785
m 2.7656
n 0.2672
Epoch 2460800.5
nobs 3698
nopp 22
Years observed 1996-2025
rms 0.69
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.388
ep 0.078
sin(ip) 0.129
G 0.150
H 14.220
Mass
D 6.92 0.063
pV 0.090 0.0102
Value
Rotational Period
Period quality None
Spectral Class D
Spectral Class Score 26.926
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3876 0.0783 0.1288 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
6.54 0.150 0.150 Masiero 2012ApJ...759L...8M NEATM
7.00 0.070 0.070 Masiero 2011ApJ...741...68M NEATM
8.03 2.370 2.370 Nugent 2016AJ....152...63N NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.050 0.0400 0.0400 Nugent 2016AJ....152...63N NEATM
0.076 0.0140 0.0140 Masiero 2011ApJ...741...68M NEATM
0.114 0.0160 0.0160 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
14.22 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 0.82 Bus VIS Carvano 2010A&A...510A..43C PHOT
D D 0.0268 0.5070 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
D D 0.2098 0.5070 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
D D 0.3769 0.5070 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
D D 0.4101 0.5070 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
D D 0.7524 0.5070 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
D D 0.7729 0.5070 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
D D 0.8111 0.5070 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
D D 0.8544 0.5070 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT