1999 HF8

1999HF8, 11213, 1972 EN, 1972EN, 1978 PE4, 1978PE4, 1979 YJ6, 1979YJ6, 1987 RU6, 1987RU6, 1987 SJ22, 1987SJ22, 1987 ST30, 1987ST30, 1990 FV3, 1990FV3, 1996 RA24, 1996RA24, 1997 YF8, 1997YF8, J72E00N, J78P04E, J79Y06J, J87R06U, J87S22J, J87S30T, J90F03V, J96R24A, J97Y08F, J99H08F

All data for this body: [vot]

MPC data
Name (number) 1999 HF8 (11213)
a 2.71903
e 0.10896
i / sin(i) 8.8850 / 0.15445
q 2.42277
Q 3.01529
ω 354.1163
Node 196.7495
m 293.2910
n 0.2198
Epoch 2460800.5
nobs 6285
nopp 26
Years observed 1978-2025
rms 0.62
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.717
ep 0.167
sin(ip) 0.157
G 0.150
H 13.100
Mass
D 14.63 0.335
pV 0.074 0.0112
Value
Rotational Period 5.620
Period quality 2
Spectral Class C
Spectral Class Score 8.983
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7172 0.1673 0.1574 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
11.21 3.180 3.180 Masiero 2020PSJ.....1....5M NEATM
12.40 3.150 3.150 Masiero 2020PSJ.....1....5M NEATM
13.78 7.860 7.860 Masiero 2012ApJ...759L...8M NEATM
14.69 0.339 0.339 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.063 0.0390 0.0390 Masiero 2020PSJ.....1....5M NEATM
0.075 0.0126 0.0126 Masiero 2011ApJ...741...68M NEATM
0.077 0.0390 0.0390 Masiero 2012ApJ...759L...8M NEATM
0.083 0.0540 0.0540 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
13.10 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
5.621 2 Synodic Mas 2018MPBu...45...76M Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
B C 0.8884 0.3500 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
C 0.70 Bus VIS Carvano 2010A&A...510A..43C PHOT
C C DeMeo-Carry VIS Choi 2023PSJ.....4...49C PHOT
C C 0.5972 0.3500 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X C 0.3530 0.3500 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT