Jonahbutler

1989 GB2, 1989GB2, 1999 CN47, 1999CN47, 31480, J89G02B, J99C47N

All data for this body: [vot]

MPC data
Name (number) Jonahbutler (31480)
a 2.27847
e 0.12325
i / sin(i) 4.2147 / 0.07349
q 1.99764
Q 2.55929
ω 121.3556
Node 342.8481
m 260.7678
n 0.2866
Epoch 2460800.5
nobs 2309
nopp 21
Years observed 1989-2025
rms 0.73
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.279
ep 0.155
sin(ip) 0.074
G 0.150
H 15.060
Mass
D 6.35 0.109
pV 0.044 0.0038
Value
Rotational Period
Period quality None
Spectral Class Ds
Spectral Class Score 1.000
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2787 0.1555 0.0742 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.88 1.590 1.590 Nugent 2016AJ....152...63N NEATM
5.42 1.450 1.450 Masiero 2021PSJ.....2..162M NEATM
5.54 1.190 1.190 Masiero 2021PSJ.....2..162M NEATM
5.57 1.434 1.434 Masiero 2017AJ....154..168M NEATM
5.80 1.900 1.900 Masiero 2021PSJ.....2..162M NEATM
6.38 0.111 0.111 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.043 0.0039 0.0039 Masiero 2011ApJ...741...68M NEATM
0.054 0.0240 0.0410 Masiero 2021PSJ.....2..162M NEATM
0.062 0.0250 0.0420 Masiero 2021PSJ.....2..162M NEATM
0.063 0.0290 0.0540 Masiero 2021PSJ.....2..162M NEATM
0.070 0.0500 0.0500 Nugent 2016AJ....152...63N NEATM
0.084 0.0517 0.0517 Masiero 2017AJ....154..168M 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
15.06 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
Ds Ad None None Movis NIR Popescu 2018A&A...617A..12P PHOT