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JPL Small-Body Database Browser
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379864 (2012 HK3)
Classification: Main-belt Asteroid          SPK-ID: 2379864
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3097138973695451 7.6505e-08  
a 2.721131781811796 6.1118e-08 au
q 1.87835945241073 2.2983e-07 au
i 10.84320244911753 8.6708e-06 deg
node 90.67817419897619 4.5158e-05 deg
peri 231.4914747909681 4.7221e-05 deg
M 214.5891474133219 1.6673e-05 deg
tp 2459662.742592313497
(2022-Mar-24.24259231)
9.0244e-05 TDB
period 1639.542915758276
4.49
5.5238e-05
1.512e-07
d
yr
n .2195733924009563 7.3976e-09 deg/d
Q 3.563904111212863 8.0048e-08 au
  Orbit Determination Parameters
   # obs. used (total)      137  
   data-arc span      6969 days (19.08 yr)  
   first obs. used      2001-01-03  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66471  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 03:14:38  

Additional Information
 Earth MOID = .886931 au 
 Jupiter MOID = 1.84189 au 
 T_jup = 3.263 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457125.5 (2015-Apr-13.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3096586176905273 7.6873e-08  
q 1.880781908877293 2.3063e-07 au
tp 2456376.883004053873
(2013-Mar-25.38300405)
7.6769e-05 TDB
node 91.08113532717455 4.4955e-05 deg
peri 230.5565958324114 4.7048e-05 deg
i 10.86779617962763 8.6847e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      137  
   data-arc span      6969 days (19.08 yr)  
   first obs. used      2001-01-03  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66471  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 03:14:38  

Additional Information
 Jupiter MOID = 1.84189 au 
 T_jup = 3.263 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.909507203527103E-15 -1.749158321318763E-14 1.49405949442403E-12 -4.730690386237348E-14 1.265273000921651E-13 7.466552780770778E-15
q -1.749158321318763E-14 5.318981955257725E-14 -5.895632821166504E-12 1.571075913715175E-13 -5.217609657361107E-13 -1.600576015891118E-14
tp 1.49405949442403E-12 -5.895632821166504E-12 5.893491447267197E-9 -8.35437910628348E-11 1.105422608623519E-9 -1.16430029097266E-12
node -4.730690386237348E-14 1.571075913715175E-13 -8.35437910628348E-11 2.020930748471235E-9 -1.997785140375573E-9 -4.603467457123523E-13
peri 1.265273000921651E-13 -5.217609657361107E-13 1.105422608623519E-9 -1.997785140375573E-9 2.213475378655376E-9 2.890780458964518E-13
i 7.466552780770778E-15 -1.600576015891118E-14 -1.16430029097266E-12 -4.603467457123523E-13 2.890780458964518E-13 7.542459464660397E-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 16.2   n/a MPO353303  

379864 (2012 HK3)          Discovered 2010-Jan-06 by Spacewatch at Kitt Peak
Reference: Last Updated: 2013-11-20

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