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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09501341674694626 5.7008e-08  
a 3.118420240278359 3.8917e-08 au
q 2.822128478396678 1.9672e-07 au
i 17.96005380206223 6.0615e-06 deg
node 63.78125306165505 1.9236e-05 deg
peri .4832656826489969 4.3685e-05 deg
M 332.811487835792 3.5888e-05 deg
tp 2459352.408938620102
(2021-May-17.90893862)		 0.00020028 TDB
period 2011.408994098221
5.51		 3.7652e-05
1.031e-07		 d
yr
n .1789790147385711 3.3504e-09 deg/d
Q 3.414712002160039 4.2614e-08 au
   Orbit Determination Parameters
   # obs. used (total)      275  
   data-arc span      9003 days (24.65 yr)  
   first obs. used      1996-05-20  
   last obs. used      2021-01-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51205  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 15:38:10  

Additional Information
 Earth MOID = 1.83493 au 
 Jupiter MOID = 1.93152 au 
 T_jup = 3.135 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458018.5 (2017-Sep-22.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09295753781491575 5.7668e-08  
q 2.833851847003762 1.9721e-07 au
tp 2457321.427831410221
(2015-Oct-25.92783141)		 0.00021415 TDB
node 63.84141700949692 1.9255e-05 deg
peri 357.8896854434523 4.4772e-05 deg
i 17.94385641754268 6.0749e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      275  
   data-arc span      9003 days (24.65 yr)  
   first obs. used      1996-05-20  
   last obs. used      2021-01-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51205  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 15:38:10  

Additional Information
 Jupiter MOID = 1.93152 au 
 T_jup = 3.135 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.325628557683599E-15 -1.122934931905483E-14 -3.954972935690061E-12 1.850369842268397E-15 -7.782691111823859E-13 -1.169214686387499E-14
q -1.122934931905483E-14 3.889184578663456E-14 1.0615179015519E-11 -7.41078341079227E-15 2.169356679239056E-12 4.133666781682232E-14
tp -3.954972935690061E-12 1.0615179015519E-11 4.585915427210983E-8 5.155794250878674E-11 8.701536203712279E-9 7.853781649309617E-12
node 1.850369842268397E-15 -7.41078341079227E-15 5.155794250878674E-11 3.707441607983251E-10 -3.429889058449935E-10 -6.150604530610404E-11
peri -7.782691111823859E-13 2.169356679239056E-12 8.701536203712279E-9 -3.429889058449935E-10 2.00456369890329E-9 6.022274881440575E-11
i -1.169214686387499E-14 4.133666781682232E-14 7.853781649309617E-12 -6.150604530610404E-11 6.022274881440575E-11 3.690486213259588E-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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