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97020 (1999 TX278)
Classification: Main-belt Asteroid          SPK-ID: 2097020
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05260717884318087 4.4269e-08  
a 2.900361144584358 2.7514e-08 au
q 2.747781327141396 1.3358e-07 au
i 16.67982474133632 8.2888e-06 deg
node 50.0416895810508 3.5082e-05 deg
peri 34.60377478638726 0.00012429 deg
M 37.69823867277689 0.00011847 deg
tp 2458811.572532382970
(2019-Nov-24.07253238)
0.00059326 TDB
period 1804.166208731813
4.94
2.5672e-05
7.029e-08
d
yr
n .1995381568824812 2.8393e-09 deg/d
Q 3.05294096202732 2.8961e-08 au
  Orbit Determination Parameters
   # obs. used (total)      677  
   data-arc span      7417 days (20.31 yr)  
   first obs. used      1999-10-06  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5628  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 00:10:52  

Additional Information
 Earth MOID = 1.77355 au 
 Jupiter MOID = 2.17529 au 
 T_jup = 3.222 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.4   n/a MPO453417  
diameter diameter 7.037 km 0.073 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.082   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

97020 (1999 TX278)          Discovered 1999-Oct-06 by LINEAR at Socorro
Reference: 20050224/Numbers.arcLast Updated: 2005-02-28
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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