Hay

03125, 1965 AP, 1965AP, 1965 AP1, 1965AP1, 1971 QS2, 1971QS2, 1982 BJ1, 1982BJ1, J65A00P, J65A01P, J71Q02S, J82B01J

All data for this body: [vot]

MPC data
Name (number) Hay (3125)
a 2.60285
e 0.19882
i / sin(i) 12.7413 / 0.22055
q 2.08536
Q 3.12035
ω 357.3872
Node 134.2204
m 116.5875
n 0.2347
Epoch 2460800.5
nobs 4908
nopp 31
Years observed 1951-2025
rms 0.61
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.602
ep 0.240
sin(ip) 0.198
G 0.150
H 12.750
Mass
D 15.57 0.163
pV 0.071 0.0053
Value
Rotational Period 14.300
Period quality 3
Spectral Class C
Spectral Class Score 9.081
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6021 0.2401 0.1981 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
11.53 3.220 3.220 Masiero 2021PSJ.....2..162M NEATM
12.42 3.673 3.673 Masiero 2017AJ....154..168M NEATM
12.90 1.600 1.600 Nugent 2016AJ....152...63N NEATM
13.23 3.230 3.230 Masiero 2021PSJ.....2..162M NEATM
15.05 0.230 0.230 Masiero 2012ApJ...759L...8M NEATM
16.01 1.600 1.600 Ali-Lagoa 2018A&A...612A..85A NEATM
16.15 1.610 1.610 Ali-Lagoa 2018A&A...612A..85A NEATM
16.23 0.240 0.240 Usui 2011PASJ...63.1117U NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.060 0.0120 0.0120 Ali-Lagoa 2018A&A...612A..85A NEATM
0.061 0.0120 0.0120 Ali-Lagoa 2018A&A...612A..85A NEATM
0.071 0.0290 0.0500 Masiero 2021PSJ.....2..162M NEATM
0.076 0.0320 0.0560 Masiero 2021PSJ.....2..162M NEATM
0.078 0.0070 0.0070 Masiero 2012ApJ...759L...8M NEATM
0.080 0.0700 0.0700 Nugent 2016AJ....152...63N NEATM
0.088 0.0487 0.0487 Masiero 2017AJ....154..168M 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
12.75 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
14.2936 2 Synodic Pal 2020ApJS..247...26P Lightcurve
14.31 3 Synodic Cooney 2005MPBu...32...15C Lightcurve
14.31454 2 Sidereal Durech 2020A&A...643A..59D Model
14.3146 2 Sidereal Durech 2023A&A...675A..24D Model
14.52 2 Synodic Behrend LCDB Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
B DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
B C 0.2573 0.8120 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C 0.402 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
C 0.65 Bus VIS Carvano 2010A&A...510A..43C PHOT
C C 0.8949 0.8120 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT