Hemera

09671, 1959 EY, 1959EY, 1986 LV, 1986LV, 1997 TU9, 1997TU9, J59E00Y, J86L00V, J97T09U

All data for this body: [vot]

MPC data
Name (number) Hemera (9671)
a 2.70359
e 0.42982
i / sin(i) 4.8288 / 0.08418
q 1.54154
Q 3.86564
ω 341.0728
Node 211.9356
m 299.1272
n 0.2217
Epoch 2460800.5
nobs 2704
nopp 25
Years observed 1959-2025
rms 0.74
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.647
ep 0.480
sin(ip) 0.107
G 0.150
H 14.070
Mass
D
pV
Value
Rotational Period 2.531
Period quality 3
Spectral Class S
Spectral Class Score 9.670
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6470 0.4803 0.1067 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
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
14.07 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
2.531 3- Synodic Mas 2018MPBu...45...76M Lightcurve
2.5315 3 Synodic Skiff 2019MPBu...46..238S Lightcurve
2.5318 2+ Synodic Ditteon 2018MPBu...45..117D Lightcurve
2.532 3- Synodic Salvaggio 2017MPBu...44..248S Lightcurve
2.532 3 Synodic Brincat 2017MPBu...44..199B Lightcurve
2.5323 3- Synodic Contreras 2019MPBu...46..233C Lightcurve
2.534 3- Synodic Aznar 2018MPBu...45...92A Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
L S 0.3417 0.3220 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
LS 0.16 Bus VIS Carvano 2010A&A...510A..43C PHOT
S Bus VIS Binzel 2019Icar..324...41B PHOT
S S 0.2655 0.3220 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.4886 0.3220 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.5242 0.3220 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
V S 0.1229 0.3220 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT