Horrocks

03078, 1964 TS1, 1964TS1, 1970 SE1, 1970SE1, 1973 GS, 1973GS, 1976 YX6, 1976YX6, 1978 ET4, 1978ET4, 1982 YQ1, 1982YQ1, 1984 FG, 1984FG, J64T01S, J70S01E, J73G00S, J76Y06X, J78E04T, J82Y01Q, J84F00G

All data for this body: [vot]

MPC data
Name (number) Horrocks (3078)
a 3.14746
e 0.10535
i / sin(i) 7.0864 / 0.12337
q 2.81588
Q 3.47904
ω 140.0389
Node 32.3664
m 136.9172
n 0.1765
Epoch 2460800.5
nobs 6418
nopp 36
Years observed 1956-2025
rms 0.57
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.152
ep 0.130
sin(ip) 0.116
G 0.150
H 11.740
Mass
D 29.38 0.299
pV 0.022 0.0013
Value
Rotational Period 13.600
Period quality 3-
Spectral Class None
Spectral Class Score
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1517 0.1295 0.1156 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
28.28 0.440 0.440 Masiero 2012ApJ...759L...8M NEATM
28.64 2.860 2.860 Ali-Lagoa 2018A&A...612A..85A NEATM
29.22 0.440 0.440 Usui 2011PASJ...63.1117U NEATM
29.92 2.300 2.300 Tedesco 2002AJ....123.1056T STM
30.59 3.060 3.060 Ali-Lagoa 2018A&A...612A..85A NEATM
30.71 6.140 6.140 Ali-Lagoa 2018A&A...612A..85A NEATM
45.78 1.607 1.607 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.019 0.0014 0.0014 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.045 0.0080 0.0080 Tedesco 2002AJ....123.1056T STM
0.050 0.0100 0.0100 Ali-Lagoa 2018A&A...612A..85A NEATM
0.050 0.0200 0.0200 Ali-Lagoa 2018A&A...612A..85A NEATM
0.057 0.0110 0.0110 Ali-Lagoa 2018A&A...612A..85A NEATM
0.061 0.0090 0.0090 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
11.74 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
13.62 3- Synodic Klinglesmith 2013MPBu...40...16K Lightcurve
13.6267 2 Sidereal Durech 2020A&A...643A..59D Model