Massey

14420, 1991 SM, 1991SM, 1999 CQ28, 1999CQ28, J91S00M, J99C28Q

All data for this body: [vot]

MPC data
Name (number) Massey (14420)
a 3.00628
e 0.12062
i / sin(i) 11.2263 / 0.19468
q 2.64366
Q 3.36891
ω 222.3528
Node 122.1395
m 157.6612
n 0.1891
Epoch 2460800.5
nobs 4088
nopp 25
Years observed 1991-2025
rms 0.70
Best values
[raw, vot]

Value Standard error
Parent Eos (221)
 
ap 3.010
ep 0.087
sin(ip) 0.175
G 0.150
H 12.820
Mass
D 9.94 0.216
pV 0.179 0.0229
Value
Rotational Period 4.075
Period quality 2
Spectral Class D
Spectral Class Score 2.642
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
221 Eos 0 Eos Novakovic 2019EPSC...13.1671N HCM
221 Eos 606 Eos -0.3300 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.0096 0.0867 0.1748 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
9.94 0.216 0.216 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.179 0.0229 0.0229 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
12.82 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
4.07522 2 Synodic Pal 2020ApJS..247...26P Lightcurve
4.075453 2 Sidereal Durech 2020A&A...643A..59D Model
4.075465 2 Sidereal Durech 2018A&A...617A..57D Model
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
C 0.202 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
D D 0.4404 0.4404 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
L DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
X 0.23 Bus VIS Carvano 2010A&A...510A..43C PHOT