1999 JZ54

1999JZ54, 2000 QA178, 2000QA178, 53345, J99J54Z, K00QH8A

All data for this body: [vot]

MPC data
Name (number) 1999 JZ54 (53345)
a 2.73989
e 0.16851
i / sin(i) 4.8477 / 0.08451
q 2.27818
Q 3.20159
ω 283.5629
Node 243.8385
m 317.2861
n 0.2173
Epoch 2460800.5
nobs 1962
nopp 21
Years observed 1999-2025
rms 0.77
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.738
ep 0.207
sin(ip) 0.106
G 0.150
H 14.690
Mass
D 7.50 0.260
pV 0.057 0.0114
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 3.648
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7381 0.2068 0.1063 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
7.28 1.730 1.730 Masiero 2020PSJ.....1....5M NEATM
7.31 2.910 2.910 Masiero 2021PSJ.....2..162M NEATM
7.50 0.266 0.266 Masiero 2011ApJ...741...68M NEATM
8.41 2.470 2.470 Masiero 2020PSJ.....1....5M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.040 0.0450 0.0450 Masiero 2020PSJ.....1....5M NEATM
0.051 0.0310 0.0790 Masiero 2021PSJ.....2..162M NEATM
0.053 0.0370 0.0370 Masiero 2020PSJ.....1....5M NEATM
0.060 0.0128 0.0128 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
14.69 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
C 0.608 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
X 0.09 Bus VIS Carvano 2010A&A...510A..43C PHOT
X X 0.1314 0.1314 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT