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91113 (1998 HA53)
Classification: Main-belt Asteroid          SPK-ID: 2091113
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1488328116640811 9.5897e-08  
a 2.53853793635703 1.805e-08 au
q 2.160720197773079 2.411e-07 au
i 16.12963278512455 7.7437e-06 deg
node 10.94067003922803 1.6277e-05 deg
peri 8.650205612571337 2.69e-05 deg
M 355.5409538355315 2.8573e-05 deg
tp 2459018.798411152682
(2020-Jun-18.29841115)
0.00011732 TDB
period 1477.317742852023
4.04
1.5756e-05
4.314e-08
d
yr
n .2436848821060019 2.599e-09 deg/d
Q 2.916355674940981 2.0736e-08 au
  Orbit Determination Parameters
   # obs. used (total)      969  
   data-arc span      8163 days (22.35 yr)  
   first obs. used      1998-03-25  
   last obs. used      2020-07-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52298  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 08:15:33  

Additional Information
 Earth MOID = 1.16336 au 
 Jupiter MOID = 2.55339 au 
 T_jup = 3.377 
[ 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 14.0   n/a MPO309818  
diameter diameter 4.104 km 0.460 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.417   0.085 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

91113 (1998 HA53)          Discovered 1998-Apr-21 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 1998 HA53 = 2000 XX43 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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