Portocarrero

1992 SY20, 1992SY20, 1999 CH31, 1999CH31, 29772, J92S20Y, J99C31H

All data for this body: [vot]

MPC data
Name (number) Portocarrero (29772)
a 2.73907
e 0.03251
i / sin(i) 3.9741 / 0.06931
q 2.65003
Q 2.82811
ω 130.3861
Node 35.1272
m 128.0527
n 0.2174
Epoch 2460200.5
nobs 1764
nopp 21
Years observed 1992-2022
rms 0.68
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.740
ep 0.069
sin(ip) 0.061
Value Standard error
G 0.150
H 14.650
Mass
D 5.20 0.271
pV 0.150 0.0301
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7400 0.0687 0.0609 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.20 0.271 0.271 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.150 0.0301 0.0301 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
14.65 MPC-2023-12-04 MPC-2023-12-04 Phot