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58870 (1998 HR113)
Classification: Main-belt Asteroid          SPK-ID: 2058870
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2540662325618784 4.2395e-08  
a 3.03971536984702 2.7569e-08 au
q 2.267426337769551 1.3115e-07 au
i 6.441808183147197 4.9934e-06 deg
node 114.3172094886573 5.9608e-05 deg
peri 177.9115119166788 6.1004e-05 deg
M 287.6336314438088 1.6304e-05 deg
tp 2458989.618684410131
(2020-May-20.11868441)
9.0822e-05 TDB
period 1935.743483920648
5.30
2.6335e-05
7.21e-08
d
yr
n .1859750545412439 2.5301e-09 deg/d
Q 3.812004401924489 3.4574e-08 au
  Orbit Determination Parameters
   # obs. used (total)      597  
   data-arc span      7738 days (21.19 yr)  
   first obs. used      1998-03-24  
   last obs. used      2019-05-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56749  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 03:36:35  

Additional Information
 Earth MOID = 1.25058 au 
 Jupiter MOID = 1.40158 au 
 T_jup = 3.181 
[ 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 14.6   n/a MPO474468  
diameter diameter 6.824 km 0.264 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.072   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

58870 (1998 HR113)          Discovered 1998-Apr-23 by LINEAR at Socorro
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 HR113 = 1999 RP242 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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