Chaple

11831, 1954 UZ, 1954UZ, 1984 SF3, 1984SF3, 1997 UB5, 1997UB5, 1999 FT8, 1999FT8, J54U00Z, J84S03F, J97U05B, J99F08T

All data for this body: [vot]

MPC data
Name (number) Chaple (11831)
a 2.64662
e 0.15522
i / sin(i) 3.1916 / 0.05568
q 2.23581
Q 3.05743
ω 286.9000
Node 144.8799
m 101.6666
n 0.2289
Epoch 2460800.5
nobs 3316
nopp 25
Years observed 1954-2025
rms 0.70
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.647
ep 0.143
sin(ip) 0.048
G 0.150
H 13.860
Mass
D 10.70 0.054
pV 0.051 0.0070
Value
Rotational Period 32.000
Period quality 2
Spectral Class C
Spectral Class Score 2.720
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6468 0.1435 0.0482 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
10.10 3.010 3.010 Masiero 2021PSJ.....2..162M NEATM
10.19 3.010 3.010 Masiero 2021PSJ.....2..162M NEATM
10.28 0.720 0.720 Usui 2011PASJ...63.1117U NEATM
10.45 2.090 2.090 Ali-Lagoa 2018A&A...612A..85A NEATM
10.50 3.010 3.010 Masiero 2020PSJ.....1....5M NEATM
10.71 0.054 0.054 Masiero 2011ApJ...741...68M NEATM
10.73 3.201 3.201 Masiero 2017AJ....154..168M NEATM
10.94 2.190 2.190 Ali-Lagoa 2018A&A...612A..85A NEATM
11.36 3.600 3.600 Masiero 2012ApJ...759L...8M NEATM
9.73 2.990 2.990 Nugent 2016AJ....152...63N NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.048 0.0440 0.0440 Masiero 2012ApJ...759L...8M NEATM
0.049 0.0090 0.0090 Masiero 2011ApJ...741...68M NEATM
0.050 0.0600 0.0600 Nugent 2016AJ....152...63N NEATM
0.051 0.0200 0.0340 Masiero 2021PSJ.....2..162M NEATM
0.052 0.0302 0.0302 Masiero 2017AJ....154..168M NEATM
0.053 0.0850 0.0850 Masiero 2020PSJ.....1....5M NEATM
0.055 0.0220 0.0220 Ali-Lagoa 2018A&A...612A..85A NEATM
0.057 0.0270 0.0490 Masiero 2021PSJ.....2..162M NEATM
0.060 0.0240 0.0240 Ali-Lagoa 2018A&A...612A..85A 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
13.86 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
32.298 2 Sidereal Durech 2023A&A...675A..24D Model
32.3 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
C C 0.4533 0.4533 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X 0.367 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT