1998 KW46

1998KW46, 17868, 1978 WS, 1978WS, J78W00S, J98K46W

All data for this body: [vot]

MPC data
Name (number) 1998 KW46 (17868)
a 3.09666
e 0.09260
i / sin(i) 11.5527 / 0.20027
q 2.80990
Q 3.38343
ω 69.3772
Node 244.6188
m 284.9556
n 0.1809
Epoch 2460800.5
nobs 3405
nopp 23
Years observed 1978-2025
rms 0.67
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.099
ep 0.073
sin(ip) 0.218
G 0.150
H 12.820
Mass
D 15.15 0.103
pV 0.080 0.0137
Value
Rotational Period 4.680
Period quality 2
Spectral Class D
Spectral Class Score 6.545
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.0987 0.0727 0.2184 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
14.80 0.199 0.199 Masiero 2011ApJ...741...68M NEATM
15.28 0.120 0.120 Masiero 2014ApJ...791..121M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.080 0.0200 0.0200 Masiero 2014ApJ...791..121M NEATM
0.081 0.0189 0.0189 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
4.681 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
4.68115 2 Sidereal Durech 2023A&A...675A..24D Model
4.68183 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
D 0.38 Bus VIS Carvano 2010A&A...510A..43C PHOT
D D 0.9642 0.9642 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
L DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT