Heishu

05287, 1942 BG, 1942BG, 1971 SR, 1971SR, 1987 HP1, 1987HP1, 1989 WE, 1989WE, J42B00G, J71S00R, J87H01P, J89W00E

All data for this body: [vot]

MPC data
Name (number) Heishu (5287)
a 2.68390
e 0.20902
i / sin(i) 6.4539 / 0.11240
q 2.12290
Q 3.24490
ω 262.8068
Node 151.0553
m 25.1990
n 0.2242
Epoch 2460800.5
nobs 8195
nopp 29
Years observed 1971-2025
rms 0.51
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.684
ep 0.178
sin(ip) 0.106
G 0.150
H 12.910
Mass
D 8.25 0.263
pV 0.260 0.0397
Value
Rotational Period 15.730
Period quality 2
Spectral Class S
Spectral Class Score 11.490
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6843 0.1779 0.1065 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
8.25 0.263 0.263 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.260 0.0397 0.0397 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
12.91 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
15.731 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
15.733 2 Sidereal Durech 2023A&A...675A..24D Model
15.7333 2 Sidereal Durech 2020A&A...643A..59D Model
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
L 0.280 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
LS 0.63 Bus VIS Carvano 2010A&A...510A..43C PHOT
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S S 0.6652 0.7490 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9164 0.7490 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT