1999 JU20

1999JU20, 1986 PW5, 1986PW5, 1986 QU3, 1986QU3, 1986 SU1, 1986SU1, 2000 UL10, 2000UL10, 35783, J86P05W, J86Q03U, J86S01U, J99J20U, K00U10L

All data for this body: [vot]

MPC data
Name (number) 1999 JU20 (35783)
a 2.25120
e 0.20131
i / sin(i) 3.4150 / 0.05957
q 1.79802
Q 2.70438
ω 241.4922
Node 53.7777
m 195.2938
n 0.2918
Epoch 2460800.5
nobs 3379
nopp 20
Years observed 1986-2025
rms 0.71
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.251
ep 0.169
sin(ip) 0.051
G 0.150
H 14.490
Mass
D 3.46 0.440
pV 0.281 0.0870
Value
Rotational Period 15.400
Period quality 2+
Spectral Class S
Spectral Class Score 21.211
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2512 0.1692 0.0513 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.46 0.440 0.440 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.281 0.0870 0.0870 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
14.49 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
15.48 2+ Synodic Warner 2022MPBu...49..223W Lightcurve
40.65 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
L S 0.5649 0.7600 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S 0.98 Bus VIS Carvano 2010A&A...510A..43C PHOT
S 1.000 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S S 0.8914 0.7600 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9837 0.7600 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT