2001 HH18

2001HH18, 1999 YN13, 1999YN13, 54708, J99Y13N, K01H18H

All data for this body: [vot]

MPC data
Name (number) 2001 HH18 (54708)
a 1.97582
e 0.11573
i / sin(i) 23.7464 / 0.40269
q 1.74716
Q 2.20449
ω 255.8577
Node 145.7615
m 62.5818
n 0.3549
Epoch 2460800.5
nobs 2962
nopp 19
Years observed 1992-2025
rms 0.59
Best values
[raw, vot]

Value Standard error
Parent Hungaria (434)
 
ap 1.976
ep 0.077
sin(ip) 0.349
G 0.150
H 15.610
Mass
D 1.41 0.213
pV 0.676 0.2078
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
434 Hungaria 0 Hungaria Novakovic 2019EPSC...13.1671N HCM
434 Hungaria 3 Hungaria 0.9900 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
1.9757 0.0774 0.3491 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
1.41 0.213 0.213 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.676 0.2078 0.2078 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
15.61 MPC-2023-12-04 MPC-2023-12-04 Phot