1999 JP85

1999JP85, 18808, J99J85P

All data for this body: [vot]

MPC data
Name (number) 1999 JP85 (18808)
a 2.54184
e 0.06012
i / sin(i) 10.3429 / 0.17954
q 2.38901
Q 2.69467
ω 38.0095
Node 173.1504
m 180.4438
n 0.2432
Epoch 2460800.5
nobs 2725
nopp 23
Years observed 1994-2025
rms 0.71
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.542
ep 0.099
sin(ip) 0.177
G 0.150
H 14.260
Mass
D 4.27 0.285
pV 0.267 0.0545
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 13.770
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5415 0.0990 0.1775 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.27 0.285 0.285 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.267 0.0545 0.0545 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
14.26 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
L 0.72 Bus VIS Carvano 2010A&A...510A..43C PHOT
L S 0.3753 0.8390 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S 0.989 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S S 0.9726 0.8390 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
V S 0.1483 0.8390 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT