1999 HR8

1999HR8, 2000 SS259, 2000SS259, 35765, J99H08R, K00SP9S

All data for this body: [vot]

MPC data
Name (number) 1999 HR8 (35765)
a 2.34952
e 0.19531
i / sin(i) 1.3828 / 0.02413
q 1.89062
Q 2.80841
ω 346.2078
Node 279.1817
m 38.6100
n 0.2737
Epoch 2460800.5
nobs 1811
nopp 21
Years observed 1995-2025
rms 0.80
Best values
[raw, vot]

Value Standard error
Parent Nysa (44)
 
ap 2.350
ep 0.193
sin(ip) 0.038
G 0.150
H 15.530
Mass
D 5.96 0.057
pV 0.038 0.0032
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
135 Hertha 0 Hertha Novakovic 2019EPSC...13.1671N HCM
44 Nysa 405 Nysa-Polana -0.6800 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3502 0.1929 0.0383 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.93 0.140 0.140 Masiero 2012ApJ...759L...8M NEATM
5.38 1.400 1.400 Masiero 2020PSJ.....1....5M NEATM
5.79 1.900 1.900 Masiero 2020PSJ.....1....5M NEATM
6.17 0.062 0.062 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.037 0.0033 0.0033 Masiero 2011ApJ...741...68M NEATM
0.040 0.0380 0.0380 Masiero 2020PSJ.....1....5M NEATM
0.060 0.0190 0.0190 Masiero 2012ApJ...759L...8M NEATM
0.069 0.0410 0.0410 Masiero 2020PSJ.....1....5M 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
15.53 MPC-2023-12-04 MPC-2023-12-04 Phot