Chaka

01246, 1932 OA, 1932OA, J32O00A

All data for this body: [vot]

MPC data
Name (number) Chaka (1246)
a 2.61939
e 0.31066
i / sin(i) 15.9980 / 0.27560
q 1.80564
Q 3.43314
ω 54.7972
Node 290.5079
m 141.0279
n 0.2325
Epoch 2460200.5
nobs 6717
nopp 35
Years observed 1932-2023
rms 0.36
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.623
ep 0.239
sin(ip) 0.298
Value Standard error
G 0.150
H 10.980
Mass
D 19.58 0.035
pV 0.228 0.0116
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6229 0.2388 0.2985 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
16.34 2.176 2.176 Ryan&Woodward 2010AJ....140..933R IRAS-STM
17.63 0.500 0.500 Masiero 2014ApJ...791..121M NEATM
18.11 0.900 0.900 Tedesco 2002AJ....123.1056T STM
18.42 0.718 0.718 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
19.60 0.035 0.035 Masiero 2011ApJ...741...68M NEATM
20.84 1.390 1.390 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.195 0.0290 0.0290 Masiero 2012ApJ...759L...8M NEATM
0.204 0.0309 0.0309 Masiero 2011ApJ...741...68M NEATM
0.228 0.0178 0.0178 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.235 0.0260 0.0260 Tedesco 2002AJ....123.1056T STM
0.310 0.0500 0.0500 Masiero 2014ApJ...791..121M NEATM
0.315 0.0691 0.0691 Ryan&Woodward 2010AJ....140..933R IRAS-STM
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
10.98 MPC-2023-12-04 MPC-2023-12-04 Phot