1999 JS1

1999JS1, 1988 CH4, 1988CH4, 2000 RP50, 2000RP50, 38088, J88C04H, J99J01S, K00R50P

All data for this body: [vot]

MPC data
Name (number) 1999 JS1 (38088)
a 2.30647
e 0.17995
i / sin(i) 9.4254 / 0.16376
q 1.89141
Q 2.72153
ω 112.4057
Node 198.3920
m 73.1301
n 0.2814
Epoch 2460800.5
nobs 2142
nopp 20
Years observed 1988-2024
rms 0.75
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.306
ep 0.120
sin(ip) 0.175
G 0.150
H 15.260
Mass
D 5.87 0.036
pV 0.047 0.0075
Value
Rotational Period
Period quality None
Spectral Class None
Spectral Class Score
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
345 Tercidina -1 Tercidina -1.0000 Nesvorny 2024ApJS..274...25N HCM-2024
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3064 0.1200 0.1755 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.85 1.610 1.610 Masiero 2021PSJ.....2..162M NEATM
5.87 0.036 0.036 Masiero 2011ApJ...741...68M NEATM
5.93 1.120 1.120 Masiero 2020PSJ.....1....5M NEATM
6.23 1.040 1.040 Masiero 2020PSJ.....1....5M NEATM
6.34 2.180 2.180 Masiero 2012ApJ...759L...8M NEATM
7.05 2.830 2.830 Nugent 2016AJ....152...63N NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.030 0.0500 0.0500 Nugent 2016AJ....152...63N NEATM
0.044 0.0160 0.0160 Masiero 2012ApJ...759L...8M NEATM
0.044 0.0180 0.0300 Masiero 2021PSJ.....2..162M NEATM
0.045 0.0160 0.0160 Masiero 2020PSJ.....1....5M NEATM
0.046 0.0250 0.0250 Masiero 2020PSJ.....1....5M NEATM
0.054 0.0126 0.0126 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
15.26 MPC-2023-12-04 MPC-2023-12-04 Phot