1995 YJ4

1995YJ4, 15848, 1999 LW15, 1999LW15, J95Y04J, J99L15W

All data for this body: [vot]

MPC data
Name (number) 1995 YJ4 (15848)
a 3.14485
e 0.29921
i / sin(i) 25.9764 / 0.43800
q 2.20389
Q 4.08580
ω 281.1121
Node 131.9971
m 99.3708
n 0.1767
Epoch 2460800.5
nobs 4088
nopp 24
Years observed 1995-2025
rms 0.64
Best values
[raw, vot]

Value Standard error
Parent Euphrosyne (31)
 
ap 3.156
ep 0.236
sin(ip) 0.447
G 0.150
H 12.440
Mass
D 18.57 0.175
pV 0.060 0.0073
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
31 Euphrosyne 0 Euphrosyne Novakovic 2019EPSC...13.1671N HCM
31 Euphrosyne 901 Euphrosyne Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1562 0.2360 0.4473 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]


Value Uncertainty up Uncertainty down Author Reference Method
16.27 3.750 3.750 Masiero 2020PSJ.....1....5M NEATM
17.71 4.960 4.960 Masiero 2020PSJ.....1....5M NEATM
18.04 0.208 0.208 Masiero 2011ApJ...741...68M NEATM
19.86 0.330 0.330 Usui 2011PASJ...63.1117U NEATM
19.91 3.980 3.980 Ali-Lagoa 2018A&A...612A..85A NEATM
20.07 2.010 2.010 Ali-Lagoa 2018A&A...612A..85A NEATM
Albedo data
[raw, vot]


Value Uncertainty up Uncertainty down Author Reference Method
0.054 0.0110 0.0110 Ali-Lagoa 2018A&A...612A..85A NEATM
0.054 0.0400 0.0400 Masiero 2020PSJ.....1....5M NEATM
0.055 0.0220 0.0220 Ali-Lagoa 2018A&A...612A..85A NEATM
0.055 0.0280 0.0280 Masiero 2020PSJ.....1....5M NEATM
0.071 0.0123 0.0123 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
12.44 MPC-2023-12-04 MPC-2023-12-04 Phot