1999 UY44

1999UY44, 1997 JJ1, 1997JJ1, 44874, J97J01J, J99U44Y

All data for this body: [vot]

MPC data
Name (number) 1999 UY44 (44874)
a 2.74223
e 0.01018
i / sin(i) 4.8199 / 0.08402
q 2.71431
Q 2.77015
ω 201.1389
Node 197.0889
m 237.5055
n 0.2170
Epoch 2460800.5
nobs 1395
nopp 23
Years observed 1992-2025
rms 0.78
Best values
[raw, vot]

Value Standard error
Parent Padua (363)
 
ap 2.742
ep 0.038
sin(ip) 0.093
G 0.150
H 15.040
Mass
D 5.42 0.208
pV 0.072 0.0166
Value
Rotational Period 8.260
Period quality 2
Spectral Class X
Spectral Class Score 9.372
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
363 Padua 0 Padua Novakovic 2019EPSC...13.1671N HCM
363 Padua 507 Padua -0.1300 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7417 0.0383 0.0935 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.42 0.208 0.208 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.072 0.0166 0.0166 Masiero 2011ApJ...741...68M 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
15.04 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
8.262 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
8.2786 2 Synodic Pal 2020ApJS..247...26P Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
C 0.57 Bus VIS Carvano 2010A&A...510A..43C PHOT
C X 0.5791 0.3420 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
X X 0.2872 0.3420 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X X 0.3797 0.3420 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X X 0.5617 0.3420 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT