2000 QL128

2000QL128, 18958, 1981 WY1, 1981WY1, 1987 SQ29, 1987SQ29, 1987 UG9, 1987UG9, 1998 KP22, 1998KP22, J81W01Y, J87S29Q, J87U09G, J98K22P, K00QC8L

All data for this body: [vot]

MPC data
Name (number) 2000 QL128 (18958)
a 3.39718
e 0.18368
i / sin(i) 14.1361 / 0.24423
q 2.77318
Q 4.02119
ω 291.3439
Node 46.3053
m 14.8361
n 0.1574
Epoch 2460800.5
nobs 4785
nopp 24
Years observed 1981-2025
rms 0.60
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.413
ep 0.131
sin(ip) 0.239
G 0.150
H 12.360
Mass
D 14.60 0.366
pV 0.139 0.0120
Value
Rotational Period 4.100
Period quality 2
Spectral Class S
Spectral Class Score 3.570
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.4135 0.1305 0.2388 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
13.41 0.658 0.658 Masiero 2011ApJ...741...68M NEATM
15.14 0.441 0.441 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.134 0.0130 0.0130 Masiero 2011ApJ...741...68M NEATM
0.171 0.0314 0.0314 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
12.36 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
4.17 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
4.17025 2 Synodic Pal 2020ApJS..247...26P Lightcurve
4.170327 2 Sidereal Durech 2019A&A...631A...2D Model
4.17034 2 Sidereal Durech 2023A&A...675A..24D Model
4.171 2- Synodic McNeill 2019ApJS..245...29M Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S 0.595 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT