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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 ]

[ show orbit diagram ]
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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457201.5 (2015-Jun-28.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1621146005904731 2.8608e-08  
q 1.90356278186624 6.7442e-08 au
tp 2456728.056386521432
(2014-Mar-11.55638652)		 4.1424e-05 TDB
node 329.3405226748727 4.0049e-05 deg
peri 285.7680434085754 4.1809e-05 deg
i 4.334244351757052 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.      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
 Jupiter MOID = 2.42588 au 
 T_jup = 3.591 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.184189121293887E-16 -1.919643834069649E-15 1.267484221003163E-13 6.893207032707655E-16 4.472907749367961E-14 -2.460268065667814E-16
q -1.919643834069649E-15 4.548480372115938E-15 -3.044441379073819E-13 -1.710482328220138E-15 -1.02567223351117E-13 7.537784734528141E-16
tp 1.267484221003163E-13 -3.044441379073819E-13 1.715914789772682E-9 -4.619483587262824E-12 5.033097491404421E-10 9.813838067669549E-13
node 6.893207032707655E-16 -1.710482328220138E-15 -4.619483587262824E-12 1.603904399785991E-9 -1.600237634490716E-9 -3.039205982388264E-12
peri 4.472907749367961E-14 -1.02567223351117E-13 5.033097491404421E-10 -1.600237634490716E-9 1.74801918710777E-9 3.330540566679383E-12
i -2.460268065667814E-16 7.537784734528141E-16 9.813838067669549E-13 -3.039205982388264E-12 3.330540566679383E-12 1.503463717065378E-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

[ 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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