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78155 (2002 NA26)
Classification: Main-belt Asteroid          SPK-ID: 2078155
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1365680331109202 4.2839e-08  
a 2.433701485121297 1.0095e-08 au
q 2.101335660119156 1.0733e-07 au
i 6.784970270407271 4.3937e-06 deg
node 308.9488097689035 3.4097e-05 deg
peri 41.99534083938152 3.6987e-05 deg
M 333.9952017865204 1.6716e-05 deg
tp 2459496.672929572619
(2021-Oct-09.17292957)
6.4707e-05 TDB
period 1386.753873269811
3.80
8.6284e-06
2.362e-08
d
yr
n .2595990585922505 1.6152e-09 deg/d
Q 2.766067310123439 1.1474e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1058  
   data-arc span      12364 days (33.85 yr)  
   first obs. used      1987-08-31  
   last obs. used      2021-07-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54109  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 14:35:19  

Additional Information
 Earth MOID = 1.09944 au 
 Jupiter MOID = 2.6463 au 
 T_jup = 3.484 
[ 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 15.12   n/a MPCxxxxx  
diameter diameter 2.566 km 0.301 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.268   0.062 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

78155 (2002 NA26)          Discovered 2002-Jul-09 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2002 NA26 = 1987 QG4 = 2000 AE160 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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