1997 MA4

1997MA4, 13676, 1993 RU12, 1993RU12, 1998 SD99, 1998SD99, J93R12U, J97M04A, J98S99D

All data for this body: [vot]

MPC data
Name (number) 1997 MA4 (13676)
a 2.85439
e 0.01218
i / sin(i) 1.3765 / 0.02402
q 2.81962
Q 2.88916
ω 145.5276
Node 345.9913
m 65.1875
n 0.2044
Epoch 2460800.5
nobs 2213
nopp 25
Years observed 1993-2025
rms 0.77
Best values
[raw, vot]

Value Standard error
Parent Koronis (158)
 
ap 2.855
ep 0.047
sin(ip) 0.036
G 0.150
H 14.320
Mass
D 4.99 0.506
pV 0.214 0.0799
Value
Rotational Period 12.527
Period quality 2
Spectral Class S
Spectral Class Score 11.429
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
158 Koronis 0 Koronis Novakovic 2019EPSC...13.1671N HCM
158 Koronis 605 Koronis -0.1500 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.8550 0.0468 0.0363 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.99 0.506 0.506 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.214 0.0799 0.0799 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
14.32 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
12.5279 2 Sidereal Durech 2023A&A...675A..24D Model
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
LS 0.51 Bus VIS Carvano 2010A&A...510A..43C PHOT
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S S 0.7842 0.7860 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.7873 0.7860 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT