Ryoma

02835, 1932 YB, 1932YB, 1941 WB, 1941WB, 1961 CB1, 1961CB1, 1963 QC, 1963QC, 1972 NT, 1972NT, 1975 EX3, 1975EX3, 1977 QF5, 1977QF5, 1977 RY7, 1977RY7, 1979 AA, 1979AA, 1980 GP, 1980GP, 1982 WF, 1982WF, 1989 GQ8, 1989GQ8, J32Y00B, J41W00B, J61C01B, J63Q00C, J72N00T, J75E03X, J77Q05F, J77R07Y, J79A00A, J80G00P, J82W00F, J89G08Q

All data for this body: [vot]

MPC data
Name (number) Ryoma (2835)
a 2.74424
e 0.08211
i / sin(i) 1.3286 / 0.02319
q 2.51892
Q 2.96956
ω 348.7417
Node 5.1628
m 174.7298
n 0.2168
Epoch 2460800.5
nobs 5318
nopp 37
Years observed 1932-2025
rms 0.63
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.746
ep 0.044
sin(ip) 0.030
G 0.150
H 12.170
Mass
D 25.84 0.129
pV 0.040 0.0022
Value
Rotational Period 18.230
Period quality 2
Spectral Class X
Spectral Class Score 6.167
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7457 0.0440 0.0298 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
22.16 7.430 7.430 Masiero 2020PSJ.....1....5M NEATM
22.45 7.100 7.100 Masiero 2020PSJ.....1....5M NEATM
23.03 6.710 6.710 Nugent 2016AJ....152...63N NEATM
24.23 0.172 0.172 Masiero 2011ApJ...741...68M NEATM
24.28 0.890 0.890 Usui 2011PASJ...63.1117U NEATM
24.40 7.840 7.840 Masiero 2021PSJ.....2..162M NEATM
24.87 4.970 4.970 Ali-Lagoa 2018A&A...612A..85A NEATM
24.92 5.800 5.800 Nugent 2016AJ....152...63N NEATM
25.02 5.000 5.000 Ali-Lagoa 2018A&A...612A..85A NEATM
25.16 2.500 2.500 Tedesco 2002AJ....123.1056T STM
28.11 0.200 0.200 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.035 0.0040 0.0040 Masiero 2012ApJ...759L...8M NEATM
0.040 0.0200 0.0200 Nugent 2016AJ....152...63N NEATM
0.040 0.0200 0.0200 Nugent 2016AJ....152...63N NEATM
0.040 0.0100 0.0100 Tedesco 2002AJ....123.1056T STM
0.043 0.0030 0.0030 Masiero 2011ApJ...741...68M NEATM
0.044 0.0180 0.0180 Ali-Lagoa 2018A&A...612A..85A NEATM
0.045 0.0180 0.0180 Ali-Lagoa 2018A&A...612A..85A NEATM
0.046 0.0200 0.0350 Masiero 2021PSJ.....2..162M NEATM
0.047 0.0370 0.0370 Masiero 2020PSJ.....1....5M NEATM
0.048 0.0360 0.0360 Masiero 2020PSJ.....1....5M 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
12.17 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
18.234 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
X 0.816 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
X X 0.2119 0.2119 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT