1999 JC20

1999JC20, 2002 AY54, 2002AY54, 2003 HO40, 2003HO40, A1823, J99J20C, K02A54Y, K03H40O

All data for this body: [vot]

MPC data
Name (number) 1999 JC20 (101823)
a 2.47011
e 0.16806
i / sin(i) 2.3313 / 0.04068
q 2.05499
Q 2.88524
ω 341.6604
Node 289.2520
m 213.0696
n 0.2539
Epoch 2460800.5
nobs 883
nopp 19
Years observed 1999-2025
rms 0.90
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.466
ep 0.175
sin(ip) 0.056
G 0.150
H 16.020
Mass
D 4.45 0.281
pV 0.047 0.0153
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 3.508
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4665 0.1747 0.0561 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.45 0.281 0.281 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.047 0.0153 0.0153 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
16.02 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
C C 0.5847 0.5847 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT