1999 YJ

1999YJ, 1996 AK1, 1996AK1, 45250, J96A01K, J99Y00J

All data for this body: [vot]

MPC data
Name (number) 1999 YJ (45250)
a 2.59123
e 0.21638
i / sin(i) 32.9119 / 0.54335
q 2.03055
Q 3.15192
ω 337.0446
Node 114.6222
m 22.3954
n 0.2363
Epoch 2460800.5
nobs 1951
nopp 19
Years observed 1996-2025
rms 0.74
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.591
ep 0.280
sin(ip) 0.493
G 0.150
H 14.510
Mass
D 5.76 0.782
pV 0.093 0.0299
Value
Rotational Period 10.270
Period quality 2
Spectral Class S
Spectral Class Score 4.410
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5911 0.2795 0.4928 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.50 1.060 1.060 Masiero 2021PSJ.....2..162M NEATM
5.74 1.418 1.418 Masiero 2017AJ....154..168M NEATM
6.74 2.000 2.000 Masiero 2020PSJ.....1....5M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.068 0.0700 0.0700 Masiero 2020PSJ.....1....5M NEATM
0.093 0.0560 0.0560 Masiero 2017AJ....154..168M NEATM
0.101 0.0330 0.0490 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
14.51 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
10.273 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
S 0.735 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT