Benner

09012, 1974 SM2, 1974SM2, 1984 UW, 1984UW, J74S02M, J84U00W

All data for this body: [vot]

MPC data
Name (number) Benner (9012)
a 2.86854
e 0.31458
i / sin(i) 5.0665 / 0.08831
q 1.96616
Q 3.77091
ω 78.7196
Node 298.0272
m 130.5409
n 0.2029
Epoch 2460800.5
nobs 2422
nopp 25
Years observed 1974-2025
rms 0.74
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.872
ep 0.267
sin(ip) 0.121
G 0.150
H 14.000
Mass
D 10.72 0.276
pV 0.050 0.0065
Value
Rotational Period 7.858
Period quality 2
Spectral Class None
Spectral Class Score
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.8721 0.2665 0.1208 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
10.75 0.279 0.279 Masiero 2011ApJ...741...68M NEATM
9.47 3.040 3.040 Masiero 2021PSJ.....2..162M NEATM
9.72 2.580 2.580 Masiero 2020PSJ.....1....5M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.045 0.0270 0.0270 Masiero 2020PSJ.....1....5M NEATM
0.046 0.0200 0.0350 Masiero 2021PSJ.....2..162M NEATM
0.051 0.0069 0.0069 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
14.00 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
7.8583 2 Sidereal Durech 2023A&A...675A..24D Model