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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1488327765824283 9.281e-08  
a 2.538537931104744 1.8661e-08 au
q 2.160720282358612 2.3314e-07 au
i 16.12963186827375 7.6812e-06 deg
node 10.94067117514202 1.6395e-05 deg
peri 8.650198516595221 2.7659e-05 deg
M 355.5409648292997 3.018e-05 deg
tp 2459018.798365981201
(2020-Jun-18.29836598)
0.00012393 TDB
period 1477.317738267123
4.04
1.629e-05
4.46e-08
d
yr
n .2436848828622852 2.687e-09 deg/d
Q 2.916355579850876 2.1438e-08 au
  Orbit Determination Parameters
   # obs. used (total)      958  
   data-arc span      7784 days (21.31 yr)  
   first obs. used      1998-03-25  
   last obs. used      2019-07-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54667  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 14:00:32  

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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