Sumida

01090, 1928 DG, 1928DG, 1950 JK, 1950JK, 1957 HH, 1957HH, J28D00G, J50J00K, J57H00H

All data for this body: [vot]

MPC data
Name (number) Sumida (1090)
a 2.35857
e 0.22125
i / sin(i) 21.5402 / 0.36716
q 1.83673
Q 2.88042
ω 338.0338
Node 147.9357
m 312.7591
n 0.2721
Epoch 2460800.5
nobs 4287
nopp 34
Years observed 1928-2025
rms 0.67
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.359
ep 0.215
sin(ip) 0.346
G 0.150
H 12.440
Mass
D 12.85 0.368
pV 0.126 0.0450
Value
Rotational Period 2.710
Period quality 3
Spectral Class T
Spectral Class Score 10.000
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3592 0.2154 0.3462 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
12.98 0.440 0.440 Masiero 2012ApJ...759L...8M NEATM
13.29 2.660 2.660 Ali-Lagoa 2018A&A...612A..85A NEATM
13.42 0.760 0.760 Usui 2011PASJ...63.1117U NEATM
7.71 1.730 1.730 Nugent 2016AJ....152...63N NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.106 0.2210 0.2210 Masiero 2012ApJ...759L...8M NEATM
0.117 0.0470 0.0470 Ali-Lagoa 2018A&A...612A..85A NEATM
0.350 0.2200 0.2200 Nugent 2016AJ....152...63N 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
12.44 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
2.712 2+ Synodic Farfan 2022MPBu...49..229F Lightcurve
2.7181 3- Synodic Warner 2012MPBu...39..231W Lightcurve
2.7186 3 Synodic Skiff 2019MPBu...46..458S Lightcurve
2.7187 3 Synodic Behrend LCDB Lightcurve
2.719 2 Synodic Lang 2017MPBu...44....7L Lightcurve
2.719 3 Synodic Behrend LCDB Lightcurve
2.7197 2+ Synodic Pravec LCDB Lightcurve
2.7218 3 Synodic Behrend LCDB Lightcurve
2.75 2 Synodic Wisniewski 1991Icar...90..117W Lightcurve
3.0 2 Synodic Blake 2018MPBu...45..317B Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
C 0.199 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
D S 0.380000 0.300000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
T Bus VIS Lazzaro 2004Icar..172..179L SPEC
T Tholen VIS Lazzaro 2004Icar..172..179L SPEC