1998 SM123

1998SM123, 13340, 1993 HF6, 1993HF6, 1997 EG58, 1997EG58, J93H06F, J97E58G, J98SC3M

All data for this body: [vot]

MPC data
Name (number) 1998 SM123 (13340)
a 2.55455
e 0.24323
i / sin(i) 5.5587 / 0.09687
q 1.93321
Q 3.17590
ω 254.0873
Node 21.5560
m 253.6978
n 0.2414
Epoch 2460800.5
nobs 2938
nopp 23
Years observed 1993-2025
rms 0.68
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.556
ep 0.208
sin(ip) 0.100
G 0.150
H 14.510
Mass
D 8.91 0.039
pV 0.046 0.0017
Value
Rotational Period 5.658
Period quality 2
Spectral Class C
Spectral Class Score 17.064
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5564 0.2082 0.0999 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
10.02 2.840 2.840 Masiero 2020PSJ.....1....5M NEATM
7.02 1.790 1.790 Masiero 2020PSJ.....1....5M NEATM
8.41 2.260 2.260 Masiero 2020PSJ.....1....5M NEATM
8.91 0.039 0.039 Masiero 2011ApJ...741...68M NEATM
9.12 0.690 0.690 Usui 2011PASJ...63.1117U NEATM
9.46 4.000 4.000 Masiero 2012ApJ...759L...8M NEATM
9.53 1.910 1.910 Ali-Lagoa 2018A&A...612A..85A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.033 0.0220 0.0220 Masiero 2020PSJ.....1....5M NEATM
0.037 0.0230 0.0230 Masiero 2020PSJ.....1....5M NEATM
0.040 0.0160 0.0160 Ali-Lagoa 2018A&A...612A..85A NEATM
0.041 0.0240 0.0240 Masiero 2012ApJ...759L...8M NEATM
0.046 0.0017 0.0017 Masiero 2011ApJ...741...68M NEATM
0.053 0.0300 0.0300 Masiero 2020PSJ.....1....5M 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
14.51 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
5.65818 2 Synodic Pal 2020ApJS..247...26P Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
C DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
C 0.703 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
C 0.78 Bus VIS Carvano 2010A&A...510A..43C PHOT
C C 0.7498 0.7750 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C C 0.7979 0.7750 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
Cgx Cgx None None Movis NIR Popescu 2018A&A...617A..12P PHOT