Shimoyama

02908, 1950 TJ4, 1950TJ4, 1955 TQ, 1955TQ, 1976 YA4, 1976YA4, 1981 UH10, 1981UH10, 1981 WA, 1981WA, J50T04J, J55T00Q, J76Y04A, J81U10H, J81W00A

All data for this body: [vot]

MPC data
Name (number) Shimoyama (2908)
a 2.97735
e 0.15349
i / sin(i) 13.3749 / 0.23132
q 2.52034
Q 3.43435
ω 153.3611
Node 233.1886
m 176.8618
n 0.1918
Epoch 2460800.5
nobs 5060
nopp 30
Years observed 1954-2025
rms 0.63
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.979
ep 0.126
sin(ip) 0.242
G 0.150
H 11.980
Mass
D 29.26 0.089
pV 0.042 0.0019
Value
Rotational Period 694.110
Period quality 2
Spectral Class C
Spectral Class Score 8.189
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.9788 0.1256 0.2418 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
27.42 1.343 1.343 Ryan&Woodward 2010AJ....140..933R IRAS-STM
27.64 0.173 0.173 Masiero 2011ApJ...741...68M NEATM
27.99 2.800 2.800 Ali-Lagoa 2018A&A...612A..85A NEATM
29.05 7.390 7.390 Masiero 2020PSJ.....1....5M NEATM
29.38 1.400 1.400 Tedesco 2002AJ....123.1056T STM
29.66 0.130 0.130 Masiero 2014ApJ...791..121M NEATM
30.08 0.185 0.185 Masiero 2011ApJ...741...68M NEATM
30.52 10.240 10.240 Masiero 2020PSJ.....1....5M NEATM
30.85 0.490 0.490 Usui 2011PASJ...63.1117U NEATM
32.77 1.832 1.832 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
33.80 3.380 3.380 Ali-Lagoa 2018A&A...612A..85A NEATM
34.43 11.160 11.160 Nugent 2016AJ....152...63N NEATM
35.69 10.650 10.650 Masiero 2020PSJ.....1....5M NEATM
35.70 10.050 10.050 Nugent 2016AJ....152...63N NEATM
38.80 11.767 11.767 Masiero 2017AJ....154..168M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.020 0.0300 0.0300 Nugent 2016AJ....152...63N NEATM
0.027 0.0190 0.0190 Masiero 2020PSJ.....1....5M NEATM
0.029 0.0257 0.0257 Masiero 2017AJ....154..168M NEATM
0.030 0.0170 0.0170 Masiero 2020PSJ.....1....5M NEATM
0.030 0.0200 0.0200 Nugent 2016AJ....152...63N NEATM
0.030 0.0300 0.0300 Masiero 2020PSJ.....1....5M NEATM
0.031 0.0060 0.0060 Ali-Lagoa 2018A&A...612A..85A NEATM
0.035 0.0044 0.0044 Masiero 2011ApJ...741...68M NEATM
0.040 0.0100 0.0100 Masiero 2014ApJ...791..121M NEATM
0.041 0.0043 0.0043 Masiero 2011ApJ...741...68M NEATM
0.042 0.0047 0.0047 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.046 0.0090 0.0090 Ali-Lagoa 2018A&A...612A..85A NEATM
0.051 0.0050 0.0050 Tedesco 2002AJ....123.1056T STM
0.059 0.0059 0.0059 Ryan&Woodward 2010AJ....140..933R IRAS-STM
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
11.98 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
694.117 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 Tholen VIS Xu 1995Icar..115....1X SPEC
C C 0.1981 0.0360 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
P 0.950000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
X 0.368 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
C DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT