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74303 (1998 TN3)
Classification: Main-belt Asteroid          SPK-ID: 2074303
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1831392882534877 6.1138e-08  
a 2.58150057795771 1.2393e-08 au
q 2.108726399484568 1.5373e-07 au
i 14.90254575700001 6.0192e-06 deg
node 41.43969750062227 1.8344e-05 deg
peri 335.3600924558263 2.2568e-05 deg
M 81.35532978391775 1.528e-05 deg
tp 2458658.134278214963
(2019-Jun-23.63427822)
6.3523e-05 TDB
period 1514.97953692737
4.15
1.0909e-05
2.987e-08
d
yr
n .2376269719986712 1.7111e-09 deg/d
Q 3.054274756430853 1.4662e-08 au
  Orbit Determination Parameters
   # obs. used (total)      786  
   data-arc span      7860 days (21.52 yr)  
   first obs. used      1998-10-11  
   last obs. used      2020-04-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51792  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 14:04:19  

Additional Information
 Earth MOID = 1.12056 au 
 Jupiter MOID = 2.41596 au 
 T_jup = 3.354 
[ 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 MPO400699  
diameter diameter 2.900 km 0.360 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.304   0.063 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

74303 (1998 TN3)          Discovered 1998-Oct-14 by LINEAR at Socorro
Reference: 20040415/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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