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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1108064537743144 3.9042e-08  
a 3.037787989893673 1.8892e-08 au
q 2.701181475415352 1.1573e-07 au
i 4.067530383957384 3.6952e-06 deg
node 230.3768130969683 5.9636e-05 deg
peri 173.1976994604314 6.2677e-05 deg
M 173.4844249040943 1.9014e-05 deg
tp 2458464.550010014045
(2018-Dec-12.05001001)
0.00010068 TDB
period 1933.902692304604
5.29
1.804e-05
4.939e-08
d
yr
n .1861520755064429 1.7365e-09 deg/d
Q 3.374394504371994 2.0985e-08 au
  Orbit Determination Parameters
   # obs. used (total)      847  
   data-arc span      14438 days (39.53 yr)  
   first obs. used      1981-10-30  
   last obs. used      2021-05-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53788  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 23:06:57  

Additional Information
 Earth MOID = 1.70957 au 
 Jupiter MOID = 2.00394 au 
 T_jup = 3.228 
[ 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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