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78704 (2002 TY177)
Classification: Main-belt Asteroid          SPK-ID: 2078704
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07080495381701812 5.3882e-08  
a 2.805460783187497 2.0432e-08 au
q 2.60682026199845 1.6027e-07 au
i 21.43754822165296 5.8276e-06 deg
node 250.7749416379305 1.4575e-05 deg
peri 96.41433756459037 4.3881e-05 deg
M 307.7377909384943 3.9905e-05 deg
tp 2459249.666695355405
(2021-Feb-04.16669536)
0.00019021 TDB
period 1716.345557119115
4.70
1.875e-05
5.133e-08
d
yr
n .2097479720833489 2.2913e-09 deg/d
Q 3.004101304376543 2.1878e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1081  
   data-arc span      7980 days (21.85 yr)  
   first obs. used      1998-12-15  
   last obs. used      2020-10-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49135  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:25:49  

Additional Information
 Earth MOID = 1.70234 au 
 Jupiter MOID = 2.29237 au 
 T_jup = 3.218 
[ 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 13.5   n/a MPO348009  
diameter diameter 10.029 km 0.250 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.092   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

78704 (2002 TY177)          Discovered 2002-Oct-11 by NEAT at Palomar
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2002 TY177 = 1998 XB93 = 2001 LD11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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