1999 WL4

1999WL4, 1998 ML43, 1998ML43, 33804, J98M43L, J99W04L

All data for this body: [vot]

MPC data
Name (number) 1999 WL4 (33804)
a 2.39721
e 0.14095
i / sin(i) 3.6898 / 0.06436
q 2.05931
Q 2.73511
ω 339.6490
Node 96.5670
m 305.7529
n 0.2655
Epoch 2460800.5
nobs 2171
nopp 21
Years observed 1993-2025
rms 0.71
Best values
[raw, vot]

Value Standard error
Parent Nysa (44)
 
ap 2.398
ep 0.145
sin(ip) 0.049
G 0.150
H 15.090
Mass
D 5.42 0.089
pV 0.070 0.0101
Value
Rotational Period 41.600
Period quality 2-
Spectral Class B
Spectral Class Score 15.000
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
44 Nysa 405 Nysa-Polana -0.2900 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3978 0.1451 0.0487 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.01 1.510 1.510 Masiero 2020PSJ.....1....5M NEATM
5.42 0.090 0.090 Masiero 2012ApJ...759L...8M NEATM
5.54 1.370 1.370 Masiero 2021PSJ.....2..162M NEATM
5.55 1.320 1.320 Nugent 2016AJ....152...63N NEATM
5.65 1.250 1.250 Masiero 2020PSJ.....1....5M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.050 0.0400 0.0400 Nugent 2016AJ....152...63N NEATM
0.058 0.0300 0.0610 Masiero 2021PSJ.....2..162M NEATM
0.061 0.0570 0.0570 Masiero 2020PSJ.....1....5M NEATM
0.072 0.0110 0.0110 Masiero 2012ApJ...759L...8M NEATM
0.077 0.0730 0.0730 Masiero 2020PSJ.....1....5M 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
15.09 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
41.601 2- Synodic Erasmus 2020ApJS..247...13E Lightcurve
41.61 2 Sidereal Durech 2023A&A...675A..24D Model
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
B Ch Bus-DeMeo VIS de Leon 2016Icar..266...57D SPEC
C Tholen VIS Tatsumi 2022A&A...664A.107T SPEC
C 0.940000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC