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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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1617285879253141 2.8662e-08  
a 2.271921156868247 8.4279e-09 au
q 1.904486556290299 6.7536e-08 au
i 4.332470211953022 3.8766e-06 deg
node 329.2978125893292 4.0071e-05 deg
peri 285.858455027139 4.1835e-05 deg
M 351.4528364985738 1.2386e-05 deg
tp 2459230.196674698848
(2021-Jan-15.69667470)
4.3078e-05 TDB
period 1250.801261705291
3.42
6.9599e-06
1.906e-08
d
yr
n .2878155075644797 1.6015e-09 deg/d
Q 2.639355757446194 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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .534  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 11:10:28  

Additional Information
 Earth MOID = .893668 au 
 Jupiter MOID = 2.42588 au 
 T_jup = 3.591 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457201.5 (2015-Jun-28.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1621146004683581 2.8608e-08  
q 1.90356278211187 6.7442e-08 au
tp 2456728.056386664815
(2014-Mar-11.55638666)
4.1424e-05 TDB
node 329.340522547851 4.0049e-05 deg
peri 285.7680436204819 4.1809e-05 deg
i 4.334244341457615 3.8775e-06 deg
  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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .534  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 11:10:28  

Additional Information
 Jupiter MOID = 2.42588 au 
 T_jup = 3.591 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.184189783308919E-16 -1.919644185873665E-15 1.267489087477566E-13 6.893116476733779E-16 4.472915276695598E-14 -2.460275962576212E-16
q -1.919644185873665E-15 4.548481965792792E-15 -3.044456726039878E-13 -1.71045800510932E-15 -1.025674410666912E-13 7.537813682668103E-16
tp 1.267489087477566E-13 -3.044456726039878E-13 1.715914460583902E-9 -4.619478566446778E-12 5.033095811406273E-10 9.813825846112071E-13
node 6.893116476733779E-16 -1.71045800510932E-15 -4.619478566446778E-12 1.603904401662853E-9 -1.600237633752486E-9 -3.03920725880529E-12
peri 4.472915276695598E-14 -1.025674410666912E-13 5.033095811406273E-10 -1.600237633752486E-9 1.748019143092626E-9 3.330541731445619E-12
i -2.460275962576212E-16 7.537813682668103E-16 9.813825846112071E-13 -3.03920725880529E-12 3.330541731445619E-12 1.503463701426679E-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 15.36   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

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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2055-Oct-11 14:10 < 00:01 Hebe 0.0224201706881212 0.0224151991884829 0.0224251435144246 9.3973647049054 9.39736467539925 2471917.090067840 0.424443149144975 369.73006159046 32.5283254807172 48.1399787998967 77020.944455073 T 30 CATAB v2.0f-lin.ifort 2020-May-20 11:10:41 2020-May-20 11:10

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