Massironi

11440, 1971 BF2, 1971BF2, 1975 SC2, 1975SC2, 1997 EG50, 1997EG50, J71B02F, J75S02C, J97E50G

All data for this body: [vot]

MPC data
Name (number) Massironi (11440)
a 3.40370
e 0.07533
i / sin(i) 9.5613 / 0.16610
q 3.14731
Q 3.66008
ω 254.3334
Node 190.5057
m 260.4518
n 0.1570
Epoch 2460800.5
nobs 4644
nopp 27
Years observed 1971-2025
rms 0.59
Best values
[raw, vot]

Value Standard error
Parent Sylvia (87)
 
ap 3.403
ep 0.078
sin(ip) 0.170
G 0.150
H 12.800
Mass
D 12.27 0.146
pV 0.139 0.0204
Value
Rotational Period 5.780
Period quality 2
Spectral Class X
Spectral Class Score 9.509
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
87 Sylvia 0 Sylvia Novakovic 2019EPSC...13.1671N HCM
87 Sylvia 603 Sylvia Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.4027 0.0777 0.1704 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
12.21 0.157 0.157 Masiero 2011ApJ...741...68M NEATM
12.64 0.398 0.398 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.133 0.0328 0.0328 Masiero 2011ApJ...741...68M NEATM
0.142 0.0260 0.0260 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
12.80 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
5.782 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 X 0.4067 0.3770 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
D X 0.6719 0.3770 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X X 0.4695 0.3770 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X X 0.7086 0.3770 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT