Hiromi

04905, 1908 SF, 1908SF, 1929 SB, 1929SB, 1950 TE4, 1950TE4, 1971 TV, 1971TV, 1974 HA3, 1974HA3, 1978 GG4, 1978GG4, 1978 JV3, 1978JV3, 1988 VU4, 1988VU4, 1991 JM1, 1991JM1, J08S00F, J29S00B, J50T04E, J71T00V, J74H03A, J78G04G, J78J03V, J88V04U, J91J01M

All data for this body: [vot]

MPC data
Name (number) Hiromi (4905)
a 2.60182
e 0.16833
i / sin(i) 12.4297 / 0.21524
q 2.16386
Q 3.03979
ω 176.0230
Node 198.3374
m 278.1274
n 0.2348
Epoch 2460800.5
nobs 4902
nopp 30
Years observed 1908-2025
rms 0.64
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.601
ep 0.141
sin(ip) 0.214
G 0.150
H 12.290
Mass
D 10.90 0.091
pV 0.214 0.0248
Value
Rotational Period 6.042
Period quality 3
Spectral Class Sw
Spectral Class Score 51.000
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6010 0.1405 0.2143 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
10.00 1.000 0.900 Pravec 2019Icar..333..429P RADIOMETRY_TPM
10.97 0.093 0.093 Masiero 2011ApJ...741...68M NEATM
8.37 0.600 0.600 Masiero 2014ApJ...791..121M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.210 0.0600 0.0600 Masiero 2014ApJ...791..121M NEATM
0.215 0.0272 0.0272 Masiero 2011ApJ...741...68M 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
12.29 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
5.62 2 Synodic Oey 2014MPBu...41..276O Lightcurve
6.0428 3 Synodic Pravec LCDB Lightcurve
6.044 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
6.044 3 Synodic Skiff LCDB Lightcurve
6.04483 2 Sidereal Polishook 2020Icar..33613415P Model
6.044838 2 Synodic Pravec 2019Icar..333..429P Lightcurve
6.0452 3 Synodic Pravec LCDB Lightcurve
6.05 3 Synodic Polishook 2014MPBu...41...49P Lightcurve
6.05042 2 Synodic Pal 2020ApJS..247...26P Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S 0.211 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S 1.000000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
Sw Bus-DeMeo VISNIR Hasegawa 2024AJ....167..224H SPEC
Sw Bus-DeMeo VISNIR Polishook 2014Icar..233....9P SPEC+PHOT