Masayo

05295, 1952 BX1, 1952BX1, 1969 EQ1, 1969EQ1, 1978 WD3, 1978WD3, 1991 CE, 1991CE, J52B01X, J69E01Q, J78W03D, J91C00E

All data for this body: [vot]

MPC data
Name (number) Masayo (5295)
a 3.14601
e 0.09211
i / sin(i) 6.3053 / 0.10983
q 2.85625
Q 3.43578
ω 92.8258
Node 81.5014
m 21.0935
n 0.1766
Epoch 2460800.5
nobs 4621
nopp 33
Years observed 1952-2025
rms 0.68
Best values
[raw, vot]

Value Standard error
Parent Hygiea (10)
 
ap 3.142
ep 0.130
sin(ip) 0.092
G 0.150
H 11.980
Mass
D 20.57 0.282
pV 0.103 0.0169
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 7.005
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
10 Hygiea 0 Hygiea Novakovic 2019EPSC...13.1671N HCM
10 Hygiea 601 Hygiea Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1419 0.1304 0.0919 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
16.82 0.890 0.890 Usui 2011PASJ...63.1117U NEATM
16.98 3.400 3.400 Ali-Lagoa 2018A&A...612A..85A NEATM
17.59 3.520 3.520 Ali-Lagoa 2018A&A...612A..85A NEATM
21.05 0.299 0.299 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.100 0.0202 0.0202 Masiero 2011ApJ...741...68M NEATM
0.106 0.0420 0.0420 Ali-Lagoa 2018A&A...612A..85A NEATM
0.114 0.0460 0.0460 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
11.98 MPC-2023-12-04 MPC-2023-12-04 Phot
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
C 0.739 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
C C 0.4285 0.4285 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT