1998 EW12

1998EW12, 1999 RZ39, 1999RZ39, 44043, J98E12W, J99R39Z

All data for this body: [vot]

MPC data
Name (number) 1998 EW12 (44043)
a 2.21507
e 0.17506
i / sin(i) 5.5720 / 0.09710
q 1.82729
Q 2.60285
ω 290.7342
Node 3.3067
m 341.8055
n 0.2990
Epoch 2460800.5
nobs 2751
nopp 21
Years observed 1991-2025
rms 0.67
Best values
[raw, vot]

Value Standard error
Parent Flora (8)
 
ap 2.215
ep 0.122
sin(ip) 0.092
G 0.150
H 15.380
Mass
D 2.27 0.619
pV 0.313 0.1445
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 9.808
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
298 Baptistina 0 Baptistina Novakovic 2019EPSC...13.1671N HCM
8 Flora 402 Flora 0.0700 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2153 0.1222 0.0921 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.27 0.619 0.619 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.313 0.1445 0.1445 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
15.38 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
S S 0.6361 0.8750 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9985 0.8750 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT