1999 UN12

1999UN12, A2541, J99U12N

All data for this body: [vot]

MPC data
Name (number) 1999 UN12 (102541)
a 2.57851
e 0.23312
i / sin(i) 3.4055 / 0.05940
q 1.97739
Q 3.17962
ω 151.6054
Node 290.0814
m 23.9994
n 0.2380
Epoch 2460800.5
nobs 1316
nopp 18
Years observed 1999-2025
rms 0.76
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.580
ep 0.164
sin(ip) 0.072
G 0.150
H 15.630
Mass
D 3.51 0.649
pV 0.072 0.0313
Value
Rotational Period
Period quality None
Spectral Class X
Spectral Class Score 3.522
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5796 0.1644 0.0724 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.39 0.820 0.820 Masiero 2021PSJ.....2..162M NEATM
3.72 1.060 1.060 Masiero 2017AJ....154..168M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.058 0.0394 0.0394 Masiero 2017AJ....154..168M NEATM
0.097 0.0390 0.0640 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
15.63 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
X 0.587 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT