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78746 (2002 TW275)
Classification: Main-belt Asteroid          SPK-ID: 2078746
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .110401906238799 4.024e-08  
a 3.039150886867181 2.0073e-08 au
q 2.703622835609708 1.1815e-07 au
i 4.066542165487148 3.726e-06 deg
node 230.3900914317239 6.4953e-05 deg
peri 173.329411475034 6.88e-05 deg
M 99.65243177325725 2.1085e-05 deg
tp 2458464.811626429865
(2018-Dec-12.31162643)
0.00011345 TDB
period 1935.20430012227
5.30
1.9173e-05
5.249e-08
d
yr
n .1860268706395777 1.843e-09 deg/d
Q 3.374678938124655 2.2289e-08 au
  Orbit Determination Parameters
   # obs. used (total)      798  
   data-arc span      14053 days (38.48 yr)  
   first obs. used      1981-10-30  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53677  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 14:35:00  

Additional Information
 Earth MOID = 1.71262 au 
 Jupiter MOID = 2.00121 au 
 T_jup = 3.227 
[ 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 14.9   n/a MPO468742  
diameter diameter 6.270 km 0.141 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.059   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

78746 (2002 TW275)          Discovered 2002-Oct-09 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2002 TW275 = 1981 UN3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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