1999 RC203

1999RC203, 1998 MM12, 1998MM12, 42905, J98M12M, J99RK3C

All data for this body: [vot]

MPC data
Name (number) 1999 RC203 (42905)
a 2.58401
e 0.13319
i / sin(i) 13.9438 / 0.24097
q 2.23984
Q 2.92818
ω 275.8078
Node 235.5015
m 269.3634
n 0.2373
Epoch 2460800.5
nobs 2591
nopp 21
Years observed 1998-2025
rms 0.71
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.584
ep 0.170
sin(ip) 0.260
G 0.150
H 14.240
Mass
D 8.57 0.039
pV 0.062 0.0061
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 8.355
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5838 0.1702 0.2604 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
7.54 1.990 1.990 Masiero 2020PSJ.....1....5M NEATM
8.51 0.064 0.064 Masiero 2011ApJ...741...68M NEATM
8.60 0.050 0.050 Masiero 2011ApJ...741...68M NEATM
8.80 2.230 2.230 Masiero 2020PSJ.....1....5M NEATM
9.81 3.980 3.980 Masiero 2020PSJ.....1....5M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.041 0.0250 0.0250 Masiero 2020PSJ.....1....5M NEATM
0.042 0.0410 0.0410 Masiero 2020PSJ.....1....5M NEATM
0.063 0.0083 0.0083 Masiero 2011ApJ...741...68M NEATM
0.064 0.0101 0.0101 Masiero 2011ApJ...741...68M NEATM
0.071 0.0760 0.0760 Masiero 2020PSJ.....1....5M 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
14.24 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
B 0.317 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
C C 0.1378 0.4220 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C C 0.2656 0.4220 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C C 0.2750 0.4220 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C C 0.7141 0.4220 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S C 0.0733 0.4220 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
V C 0.0653 0.4220 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT