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56219 (1999 HP6)
Classification: Main-belt Asteroid          SPK-ID: 2056219
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1157297389751399 4.8977e-08  
a 2.526886016745687 1.2863e-08 au
q 2.234450157607777 1.2551e-07 au
i 2.290377231301377 4.8778e-06 deg
node 207.119208747831 0.00011028 deg
peri 145.4112603984597 0.00011281 deg
M 292.6757431366436 2.7704e-05 deg
tp 2459274.875906591126
(2021-Mar-01.37590659)
0.00011317 TDB
period 1467.158064191976
4.02
1.1203e-05
3.067e-08
d
yr
n .2453723349830522 1.8736e-09 deg/d
Q 2.819321875883596 1.4352e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1167  
   data-arc span      7826 days (21.43 yr)  
   first obs. used      1999-03-22  
   last obs. used      2020-08-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5429  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:00:20  

Additional Information
 Earth MOID = 1.22947 au 
 Jupiter MOID = 2.59068 au 
 T_jup = 3.442 
[ 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 14.4   n/a MPO337704  
diameter diameter 3.650 km 0.381 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.277   0.076 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

56219 (1999 HP6)          Discovered 1999-Apr-19 by Spacewatch at Kitt Peak
Reference: 20030318/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 HP6 = 2001 TY106 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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