1999 CN57

1999CN57, 1991 EY4, 1991EY4, 28293, J91E04Y, J99C57N

All data for this body: [vot]

MPC data
Name (number) 1999 CN57 (28293)
a 2.49623
e 0.01361
i / sin(i) 1.3954 / 0.02435
q 2.46227
Q 2.53020
ω 324.3410
Node 118.5050
m 306.2782
n 0.2499
Epoch 2460800.5
nobs 3606
nopp 24
Years observed 1991-2025
rms 0.70
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.496
ep 0.037
sin(ip) 0.009
G 0.150
H 14.050
Mass
D 4.09 0.185
pV 0.383 0.0580
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 9.207
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4956 0.0368 0.0093 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.09 0.185 0.185 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.383 0.0580 0.0580 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
14.05 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
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S 0.75 Bus VIS Carvano 2010A&A...510A..43C PHOT
S S 0.9511 0.9511 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X 0.105 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT