Sayama

04461, 1932 EJ, 1932EJ, 1942 FA, 1942FA, 1943 OJ, 1943OJ, 1975 BN, 1975BN, 1977 QC3, 1977QC3, 1980 EL, 1980EL, 1987 VP, 1987VP, 1988 VG7, 1988VG7, 1988 XC3, 1988XC3, 1990 EL, 1990EL, J32E00J, J42F00A, J43O00J, J75B00N, J77Q03C, J80E00L, J87V00P, J88V07G, J88X03C, J90E00L

All data for this body: [vot]

MPC data
Name (number) Sayama (4461)
a 2.85245
e 0.12984
i / sin(i) 16.0256 / 0.27607
q 2.48208
Q 3.22283
ω 149.8357
Node 133.1569
m 8.3837
n 0.2046
Epoch 2460800.5
nobs 4698
nopp 32
Years observed 1942-2025
rms 0.63
Best values
[raw, vot]

Value Standard error
Parent Brasilia (293)
 
ap 2.853
ep 0.122
sin(ip) 0.260
G 0.150
H 11.460
Mass
D 17.32 0.108
pV 0.142 0.0084
Value
Rotational Period 40.700
Period quality 3-
Spectral Class Xn
Spectral Class Score 21.000
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
1521 Seinajoki 0 Seinajoki Novakovic 2019EPSC...13.1671N HCM
293 Brasilia 608 Brasilia 0.7100 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.8527 0.1225 0.2600 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
16.54 3.310 3.310 Ali-Lagoa 2018A&A...612A..85A NEATM
17.01 0.176 0.176 Masiero 2011ApJ...741...68M NEATM
17.23 0.160 0.160 Masiero 2014ApJ...791..121M NEATM
18.08 0.310 0.310 Masiero 2012ApJ...759L...8M NEATM
19.04 0.560 0.560 Usui 2011PASJ...63.1117U NEATM
20.31 4.060 4.060 Ali-Lagoa 2018A&A...612A..85A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.134 0.0540 0.0540 Ali-Lagoa 2018A&A...612A..85A NEATM
0.140 0.0100 0.0100 Masiero 2014ApJ...791..121M NEATM
0.141 0.0188 0.0188 Masiero 2011ApJ...741...68M NEATM
0.163 0.0380 0.0380 Masiero 2012ApJ...759L...8M NEATM
0.202 0.0810 0.0810 Ali-Lagoa 2018A&A...612A..85A 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
11.46 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
36.47 2+ Synodic Behrend LCDB Lightcurve
40.7117 2 Sidereal Durech 2020A&A...643A..59D Model
40.7141 2 Sidereal Durech 2018A&A...617A..57D Model
40.73 2 Synodic Behrend LCDB Lightcurve
40.73 3- Synodic Behrend LCDB Lightcurve
40.8 3- Synodic Warner 2010MPBu...37..161W Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
M S 0.590000 0.370000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
S 0.564 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
X Bus VIS Bus 2002Icar..158..146B SPEC
X 0.92 Bus VIS Carvano 2010A&A...510A..43C PHOT
X C DeMeo-Carry VIS Choi 2023PSJ.....4...49C PHOT
X X 0.2450 0.4550 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X X 0.3917 0.4550 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X X 0.7827 0.4550 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
Xn Bus-DeMeo VISNIR Hasegawa 2024AJ....167..224H SPEC