1999 NC57

1999NC57, 19608, 1984 WJ4, 1984WJ4, 1998 KB47, 1998KB47, J84W04J, J98K47B, J99N57C

All data for this body: [vot]

MPC data
Name (number) 1999 NC57 (19608)
a 3.03577
e 0.09891
i / sin(i) 10.3601 / 0.17983
q 2.73550
Q 3.33604
ω 114.1299
Node 262.4808
m 281.3819
n 0.1863
Epoch 2460800.5
nobs 3961
nopp 23
Years observed 1984-2025
rms 0.68
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.033
ep 0.068
sin(ip) 0.201
G 0.150
H 12.320
Mass
D 12.57 0.115
pV 0.167 0.0139
Value
Rotational Period 9.190
Period quality 2
Spectral Class C
Spectral Class Score 5.478
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.0333 0.0677 0.2010 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
10.91 0.540 0.540 Masiero 2012ApJ...759L...8M NEATM
12.65 0.118 0.118 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.160 0.0156 0.0156 Masiero 2011ApJ...741...68M NEATM
0.196 0.0310 0.0310 Masiero 2012ApJ...759L...8M 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
12.32 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
9.1899 2 Sidereal Durech 2023A&A...675A..24D Model
9.194 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
9.205 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
C 0.913 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT