Chapront

03938, 1949 PL, 1949PL, 1980 NC, 1980NC, J49P00L, J80N00C

All data for this body: [vot]

MPC data
Name (number) Chapront (3938)
a 2.49010
e 0.03959
i / sin(i) 2.0888 / 0.03645
q 2.39151
Q 2.58870
ω 74.7560
Node 157.8203
m 191.1768
n 0.2508
Epoch 2460800.5
nobs 4124
nopp 29
Years observed 1949-2025
rms 0.69
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.490
ep 0.043
sin(ip) 0.033
G 0.150
H 13.900
Mass
D 9.82 0.094
pV 0.068 0.0083
Value
Rotational Period
Period quality None
Spectral Class B
Spectral Class Score 6.392
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4903 0.0428 0.0334 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
7.61 2.260 2.260 Nugent 2016AJ....152...63N NEATM
8.26 2.270 2.270 Masiero 2021PSJ.....2..162M NEATM
8.29 2.190 2.190 Nugent 2016AJ....152...63N NEATM
9.16 2.900 2.900 Masiero 2021PSJ.....2..162M NEATM
9.24 3.840 3.840 Masiero 2012ApJ...759L...8M NEATM
9.30 2.610 2.610 Masiero 2017AJ....154..168M NEATM
9.83 0.094 0.094 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.067 0.0310 0.0590 Masiero 2021PSJ.....2..162M NEATM
0.068 0.0378 0.0378 Masiero 2017AJ....154..168M NEATM
0.068 0.0091 0.0091 Masiero 2011ApJ...741...68M NEATM
0.070 0.0500 0.0500 Nugent 2016AJ....152...63N NEATM
0.075 0.0540 0.0540 Masiero 2012ApJ...759L...8M NEATM
0.080 0.0900 0.0900 Nugent 2016AJ....152...63N NEATM
0.086 0.0410 0.0800 Masiero 2021PSJ.....2..162M 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
13.90 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
B 0.979 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
B B 0.0863 0.0863 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C Bk None None Movis NIR Popescu 2018A&A...617A..12P PHOT