1999 UQ44

1999UQ44, G0055, J99U44Q

All data for this body: [vot]

MPC data
Name (number) 1999 UQ44 (160055)
a 2.55061
e 0.26557
i / sin(i) 4.5548 / 0.07941
q 1.87324
Q 3.22798
ω 235.0055
Node 129.1629
m 111.4643
n 0.2420
Epoch 2460800.5
nobs 984
nopp 18
Years observed 1991-2025
rms 0.78
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.550
ep 0.214
sin(ip) 0.065
G 0.150
H 16.020
Mass
D 3.11 0.414
pV 0.074 0.0221
Value
Rotational Period
Period quality None
Spectral Class X
Spectral Class Score 6.000
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5505 0.2141 0.0645 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.79 0.650 0.650 Nugent 2016AJ....152...63N NEATM
2.92 0.720 0.720 Masiero 2021PSJ.....2..162M NEATM
3.83 0.805 0.805 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.063 0.0303 0.0303 Masiero 2011ApJ...741...68M NEATM
0.080 0.0400 0.0400 Nugent 2016AJ....152...63N NEATM
0.099 0.0410 0.0690 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
16.02 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
C C 0.0597 0.0560 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X 1.000 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT