Okayama

02084, 1931 AD1, 1931AD1, 1935 CK, 1935CK, 1939 GV, 1939GV, 1944 QN, 1944QN, 1948 RA1, 1948RA1, 1948 TH, 1948TH, 1950 EL, 1950EL, 1952 YC, 1952YC, 1959 SA, 1959SA, 1963 UV, 1963UV, 1965 HA, 1965HA, 1969 KD, 1969KD, 1970 PK, 1970PK, 1974 UK, 1974UK, 1976 GR, 1976GR, J31A01D, J35C00K, J39G00V, J44Q00N, J48R01A, J48T00H, J50E00L, J52Y00C, J59S00A, J63U00V, J65H00A, J69K00D, J70P00K, J74U00K, J76G00R

All data for this body: [vot]

MPC data
Name (number) Okayama (2084)
a 2.39570
e 0.10242
i / sin(i) 4.8377 / 0.08433
q 2.15033
Q 2.64106
ω 248.0123
Node 148.9255
m 215.2560
n 0.2658
Epoch 2460800.5
nobs 5353
nopp 41
Years observed 1931-2025
rms 0.68
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.396
ep 0.083
sin(ip) 0.080
G 0.150
H 12.310
Mass
D 19.35 0.051
pV 0.047 0.0004
Value
Rotational Period 4.540
Period quality 3
Spectral Class X
Spectral Class Score 8.000
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3956 0.0833 0.0800 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
14.69 3.050 3.050 Masiero 2021PSJ.....2..162M NEATM
15.81 4.740 4.740 Masiero 2020PSJ.....1....5M NEATM
15.88 0.329 0.329 Ryan&Woodward 2010AJ....140..933R MSX-STM
15.88 4.620 4.620 Masiero 2020PSJ.....1....5M NEATM
16.32 4.280 4.280 Masiero 2021PSJ.....2..162M NEATM
16.43 4.077 4.077 Masiero 2017AJ....154..168M NEATM
16.99 1.530 1.530 Ryan&Woodward 2010AJ....140..933R IRAS-STM
17.62 4.010 4.010 Masiero 2020PSJ.....1....5M NEATM
18.08 0.070 0.070 Masiero 2014ApJ...791..121M NEATM
18.22 3.150 3.150 Nugent 2016AJ....152...63N NEATM
18.31 0.147 0.147 Masiero 2011ApJ...741...68M NEATM
18.45 0.500 0.500 Usui 2011PASJ...63.1117U NEATM
19.15 3.830 3.830 Ali-Lagoa 2018A&A...612A..85A NEATM
19.26 3.850 3.850 Ali-Lagoa 2018A&A...612A..85A NEATM
19.37 2.300 2.300 Tedesco 2002AJ....123.1056T STM
21.73 0.190 0.190 Masiero 2012ApJ...759L...8M NEATM
22.42 0.107 0.107 Ryan&Woodward 2010AJ....140..933R MSX-NEATM
23.36 0.719 0.719 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.043 0.0027 0.0027 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.046 0.0004 0.0004 Ryan&Woodward 2010AJ....140..933R MSX-NEATM
0.054 0.0140 0.0140 Masiero 2012ApJ...759L...8M NEATM
0.057 0.0290 0.0290 Masiero 2020PSJ.....1....5M NEATM
0.059 0.0220 0.0350 Masiero 2021PSJ.....2..162M NEATM
0.060 0.0700 0.0700 Nugent 2016AJ....152...63N NEATM
0.062 0.0180 0.0180 Tedesco 2002AJ....123.1056T STM
0.063 0.0600 0.0600 Masiero 2020PSJ.....1....5M NEATM
0.069 0.0280 0.0280 Ali-Lagoa 2018A&A...612A..85A NEATM
0.070 0.0280 0.0280 Ali-Lagoa 2018A&A...612A..85A NEATM
0.075 0.0310 0.0520 Masiero 2021PSJ.....2..162M NEATM
0.076 0.0640 0.0640 Masiero 2020PSJ.....1....5M NEATM
0.076 0.0123 0.0123 Masiero 2011ApJ...741...68M NEATM
0.080 0.0100 0.0100 Masiero 2014ApJ...791..121M NEATM
0.081 0.0067 0.0067 Ryan&Woodward 2010AJ....140..933R IRAS-STM
0.092 0.0039 0.0039 Ryan&Woodward 2010AJ....140..933R MSX-STM
0.104 0.0461 0.0461 Masiero 2017AJ....154..168M 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
12.31 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
4.54697 2 Sidereal Durech 2020A&A...643A..59D Model
4.547 3 Synodic Behrend LCDB Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
X DeMeo-Carry VIS Choi 2023PSJ.....4...49C PHOT
X 1.000 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT