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357798 (2005 TW78)
Classification: Main-belt Asteroid          SPK-ID: 2357798
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1797166958132652 8.7952e-08  
a 3.111009472869874 3.6884e-08 au
q 2.551909129761933 2.6961e-07 au
i 24.39661087535853 8.8244e-06 deg
node 64.2076240795635 1.4456e-05 deg
peri 321.5043600635603 2.1515e-05 deg
M 250.3149909178375 2.0384e-05 deg
tp 2459611.153993944481
(2022-Jan-31.65399394)
0.00012006 TDB
period 2004.243238520768
5.49
3.5643e-05
9.759e-08
d
yr
n .1796189170460658 3.1943e-09 deg/d
Q 3.670109815977816 4.3512e-08 au
  Orbit Determination Parameters
   # obs. used (total)      268  
   data-arc span      5430 days (14.87 yr)  
   first obs. used      2004-07-18  
   last obs. used      2019-05-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60625  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 00:32:37  

Additional Information
 Earth MOID = 1.59594 au 
 Jupiter MOID = 1.83034 au 
 T_jup = 3.058 
[ 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 15.2   n/a MPO437511  
diameter diameter 5.781 km 0.238 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.058   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

357798 (2005 TW78)          Discovered 2005-Oct-07 by CSS at Catalina
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

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