1999 JU74

1999JU74, 19554, 1991 PK7, 1991PK7, 1998 BN42, 1998BN42, J91P07K, J98B42N, J99J74U

All data for this body: [vot]

MPC data
Name (number) 1999 JU74 (19554)
a 2.64344
e 0.13912
i / sin(i) 13.0450 / 0.22572
q 2.27568
Q 3.01119
ω 136.5128
Node 131.5010
m 348.3466
n 0.2293
Epoch 2460800.5
nobs 3470
nopp 23
Years observed 1991-2025
rms 0.64
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.643
ep 0.139
sin(ip) 0.213
G 0.150
H 14.510
Mass
D 3.63 0.483
pV 0.177 0.0341
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 7.770
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6431 0.1386 0.2129 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.63 0.483 0.483 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.177 0.0341 0.0341 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
14.51 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 S 0.1668 0.4660 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S 0.28 Bus VIS Carvano 2010A&A...510A..43C PHOT
S S 0.8684 0.4660 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT