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58446 (1996 HN22)
Classification: Main-belt Asteroid          SPK-ID: 2058446
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2356149487861637 4.4123e-08  
a 2.7829646197503 2.016e-08 au
q 2.127256553394127 1.2672e-07 au
i 8.358432555663892 5.9695e-06 deg
node 51.38765203645283 3.5153e-05 deg
peri 263.1342801679392 3.7547e-05 deg
M 274.2339412349439 1.7226e-05 deg
tp 2459004.492132006940
(2020-Jun-03.99213201)		 8.4104e-05 TDB
period 1695.742693749081
4.64		 1.8426e-05
5.045e-08		 d
yr
n .2122963591864777 2.3068e-09 deg/d
Q 3.438672686106472 2.491e-08 au
   Orbit Determination Parameters
   # obs. used (total)      741  
   data-arc span      10253 days (28.07 yr)  
   first obs. used      1991-04-15  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60662  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:13:08  

Additional Information
 Earth MOID = 1.13259 au 
 Jupiter MOID = 1.93771 au 
 T_jup = 3.276 
[ 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 14.8   n/a MPO395546  
diameter diameter 5.722 km 0.102 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.056   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

58446 (1996 HN22)          Discovered 1996-Apr-18 by Elst, E. W. at La Silla
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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