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56626 (2000 JH78)
Classification: Main-belt Asteroid          SPK-ID: 2056626
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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1617285880431114 2.8662e-08  
a 2.271921156275472 8.4278e-09 au
q 1.904486555525767 6.7536e-08 au
i 4.332470224200263 3.8766e-06 deg
node 329.2978125722541 4.0071e-05 deg
peri 285.8584549881741 4.1835e-05 deg
M 351.4528366065079 1.2386e-05 deg
tp 2459230.196674312214
(2021-Jan-15.69667431)
4.3078e-05 TDB
period 1250.801261215765
3.42
6.9599e-06
1.906e-08
d
yr
n .287815507677122 1.6015e-09 deg/d
Q 2.639355757025178 9.7909e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1261  
   data-arc span      16044 days (43.93 yr)  
   first obs. used      1976-05-21  
   last obs. used      2020-04-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .534  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 11:18:45  

Additional Information
 Earth MOID = .893668 au 
 Jupiter MOID = 2.42588 au 
 T_jup = 3.591 
[ show covariance matrix ]

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 15.36   n/a E2021B10  
diameter diameter 5.733 km 0.047 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.050   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

56626 (2000 JH78)          Discovered 2000-May-09 by LINEAR at Socorro
Reference: 20030318/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2000 JH78 = 2001 TJ114 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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