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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1828907591696782 6.175e-08  
a 2.580923710268019 1.317e-08 au
q 2.108896613538078 1.5589e-07 au
i 14.90429986328422 6.5346e-06 deg
node 41.44391655528577 1.9853e-05 deg
peri 335.352673746639 2.4208e-05 deg
M 346.3084117013951 1.6568e-05 deg
tp 2458658.098677086528
(2019-Jun-23.59867709)
6.9874e-05 TDB
period 1514.471754402882
4.15
1.1592e-05
3.174e-08
d
yr
n .2377066452070867 1.8194e-09 deg/d
Q 3.05295080699796 1.5578e-08 au
  Orbit Determination Parameters
   # obs. used (total)      725  
   data-arc span      7727 days (21.16 yr)  
   first obs. used      1998-10-11  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54028  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 07:25:09  

Additional Information
 Earth MOID = 1.12002 au 
 Jupiter MOID = 2.4145 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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