1999 JD12

1999JD12, 19538, 1980 FC5, 1980FC5, J80F05C, J99J12D

All data for this body: [vot]

MPC data
Name (number) 1999 JD12 (19538)
a 2.39822
e 0.27071
i / sin(i) 22.9319 / 0.38964
q 1.74901
Q 3.04744
ω 105.2286
Node 176.8109
m 337.5183
n 0.2654
Epoch 2460800.5
nobs 4375
nopp 21
Years observed 1980-2025
rms 0.56
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.399
ep 0.244
sin(ip) 0.417
G 0.150
H 14.320
Mass
D 3.66 0.016
pV 0.403 0.0252
Value
Rotational Period 12.564
Period quality 2
Spectral Class S
Spectral Class Score 2.403
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3994 0.2443 0.4175 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.30 0.145 0.145 Masiero 2011ApJ...741...68M NEATM
3.61 0.025 0.025 Masiero 2011ApJ...741...68M NEATM
3.70 0.020 0.020 Masiero 2014ApJ...791..121M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.375 0.0377 0.0377 Masiero 2011ApJ...741...68M NEATM
0.400 0.0500 0.0500 Masiero 2014ApJ...791..121M NEATM
0.448 0.0458 0.0458 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
14.32 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
12.5641 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
S 0.224 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S S 0.1765 0.1260 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT