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243913 (2001 HR13)
Classification: Main-belt Asteroid          SPK-ID: 2243913
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2505737873319155 6.3363e-08  
a 2.537212056342533 1.5518e-08 au
q 1.901453222120587 1.6446e-07 au
i 11.81436284829133 4.3732e-06 deg
node 112.7511098176186 2.3725e-05 deg
peri 115.8435363194847 2.7243e-05 deg
M 242.33369513946 1.6974e-05 deg
tp 2459482.984305556261
(2021-Sep-25.48430556)
7.2219e-05 TDB
period 1476.160487967388
4.04
1.3543e-05
3.708e-08
d
yr
n .2438759219844078 2.2374e-09 deg/d
Q 3.172970890564479 1.9407e-08 au
  Orbit Determination Parameters
   # obs. used (total)      409  
   data-arc span      6884 days (18.85 yr)  
   first obs. used      2001-03-20  
   last obs. used      2020-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52401  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 09:26:27  

Additional Information
 Earth MOID = .924408 au 
 Jupiter MOID = 1.9428 au 
 T_jup = 3.374 
[ 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 15.9   n/a MPO454791  
diameter diameter 3.388 km 0.930 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.081   0.056 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

243913 (2001 HR13)          Discovered 2001-Apr-21 by LINEAR at Socorro
Reference: 20100726/Numbers.arcLast Updated: 2010-07-28

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