Sawaishujiro

08915, 1989 AY7, 1989AY7, 1993 TA21, 1993TA21, 1995 YK3, 1995YK3, J89A07Y, J93T21A, J95Y03K

All data for this body: [vot]

MPC data
Name (number) Sawaishujiro (8915)
a 3.92801
e 0.05021
i / sin(i) 3.6918 / 0.06439
q 3.73078
Q 4.12523
ω 326.1920
Node 245.1450
m 181.6623
n 0.1266
Epoch 2460800.5
nobs 3862
nopp 29
Years observed 1989-2025
rms 0.67
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.957
ep 0.017
sin(ip) 0.083
G 0.150
H 11.620
Mass
D 30.40 0.428
pV 0.053 0.0078
Value
Rotational Period 330.400
Period quality 2
Spectral Class D
Spectral Class Score 2.897
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.9574 0.0174 0.0827 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
29.78 5.960 5.960 Ali-Lagoa 2018A&A...612A..85A NEATM
30.14 0.450 0.450 Grav 2012ApJ...744..197G NEATM
32.94 6.590 6.590 Ali-Lagoa 2018A&A...612A..85A NEATM
33.03 1.470 1.470 Usui 2011PASJ...63.1117U NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.041 0.0160 0.0160 Ali-Lagoa 2018A&A...612A..85A NEATM
0.050 0.0200 0.0200 Ali-Lagoa 2018A&A...612A..85A NEATM
0.059 0.0100 0.0100 Grav 2012ApJ...744..197G 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
11.62 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
329.8 2 Sidereal Durech 2023A&A...675A..24D Model
330.42 2 Sidereal Durech 2020A&A...643A..59D Model
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
D D 0.4828 0.4828 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
L 0.374 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT