1999XX121

1987YY1, 1995YN2, 23090, J87Y01Y, J95Y02N, J99XC1X

All data for this body: [vot]

MPC data
Name (number) 1999XX121 (23090)
Packed designation 23090
a 2.57441
e 0.17882
i / sin(i) 12.1582 / 0.21061
q 2.11406
Q 3.03475
ω 132.5474
Node 260.7656
m 142.2264
n 0.2386
Epoch 2459600.5
nobs 1988
nopp 19
Years observed 1987-2021
rms 0.41
Best values
[raw, vot]

Value Standard error
Parent Eunomia (15)
 
ap 2.574
ep 0.150
sin(ip) 0.227
Value Standard error
G 0.150
H 13.360
Mass
D 7.48 0.084
pV 0.144 0.0199
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
15 Eunomia 502 Eunomia -0.8500 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5743 0.1504 0.2273 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Jan-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
7.38 0.089 0.089 Masiero 2011ApJ...741...68M NEATM
8.25 0.248 0.248 Masiero 2011ApJ...741...68M NEATM
8.47 1.980 1.980 Nugent 2016AJ....152...63N NEATM
9.68 3.300 3.300 Nugent 2016AJ....152...63N NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.060 0.0500 0.0500 Nugent 2016AJ....152...63N NEATM
0.090 0.0500 0.0500 Nugent 2016AJ....152...63N NEATM
0.149 0.0442 0.0442 Masiero 2011ApJ...741...68M NEATM
0.186 0.0286 0.0286 Masiero 2011ApJ...741...68M NEATM
G data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.15 MPC-2022-01-18 MPC-2022-01-18 Phot
H data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
13.36 MPC-2022-01-18 MPC-2022-01-18 Phot