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324823 (2007 HL86)
Classification: Main-belt Asteroid          SPK-ID: 2324823
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09488263577096652 5.7563e-08  
a 3.118292273472596 3.9997e-08 au
q 2.822420483461276 1.9746e-07 au
i 17.96025456409044 6.1076e-06 deg
node 63.78062940327116 2.0243e-05 deg
peri .4402952684420823 4.4107e-05 deg
M 297.0418792174399 3.6067e-05 deg
tp 2459352.240932370853
(2021-May-17.74093237)
0.00020095 TDB
period 2011.285185764054
5.51
3.8696e-05
1.059e-07
d
yr
n .1789900321188126 3.4437e-09 deg/d
Q 3.414164063483915 4.3792e-08 au
  Orbit Determination Parameters
   # obs. used (total)      246  
   data-arc span      8921 days (24.42 yr)  
   first obs. used      1996-05-20  
   last obs. used      2020-10-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51609  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 18:02:50  

Additional Information
 Earth MOID = 1.83583 au 
 Jupiter MOID = 1.93133 au 
 T_jup = 3.135 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457803.5 (2017-Feb-19.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09315661825910354 5.8409e-08  
q 2.830872776273683 1.9867e-07 au
tp 2457319.155834544818
(2015-Oct-23.65583454)
0.000213 TDB
node 63.8733139944172 2.0281e-05 deg
peri 357.3382521119499 4.4963e-05 deg
i 17.93907972355749 6.1177e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      246  
   data-arc span      8921 days (24.42 yr)  
   first obs. used      1996-05-20  
   last obs. used      2020-10-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51609  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 18:02:50  

Additional Information
 Jupiter MOID = 1.93133 au 
 T_jup = 3.135 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.4116625840235E-15 -1.14454541973384E-14 -4.022145722437946E-12 -5.455836170500904E-15 -7.924306794105598E-13 -1.197167979422434E-14
q -1.14454541973384E-14 3.947078443830722E-14 1.081243904621337E-11 1.988437660867815E-14 2.200519307965598E-12 4.329764741929913E-14
tp -4.022145722437946E-12 1.081243904621337E-11 4.536829779167462E-8 7.077010708229869E-11 8.603048062225144E-9 9.116254588272842E-12
node -5.455836170500904E-15 1.988437660867815E-14 7.077010708229869E-11 4.113330553983594E-10 -3.776704056014326E-10 -5.782790192659696E-11
peri -7.924306794105598E-13 2.200519307965598E-12 8.603048062225144E-9 -3.776704056014326E-10 2.021654770192825E-9 5.698678287997313E-11
i -1.197167979422434E-14 4.329764741929913E-14 9.116254588272842E-12 -5.782790192659696E-11 5.698678287997313E-11 3.742661171504656E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.7   n/a MPO450272  
diameter diameter 4.865 km 0.194 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.039   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

324823 (2007 HL86)          Discovered 2007-Apr-24 by Spacewatch at Kitt Peak
Reference: 20120406/Numbers.arcLast Updated: 2012-04-09

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Alternate Designations
 2007 HL86 = 2004 XO23 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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