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268023 (2004 NA28)
Classification: Main-belt Asteroid          SPK-ID: 2268023
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1724397470032338 5.2308e-08  
a 2.442036993400454 1.4069e-08 au
q 2.020932752085942 1.2306e-07 au
i 10.060310260424 3.5868e-06 deg
node 135.1810835835934 3.1099e-05 deg
peri 126.9286987721619 3.3349e-05 deg
M 89.24395113757606 1.2167e-05 deg
tp 2458654.956224810611
(2019-Jun-20.45622481)
4.6854e-05 TDB
period 1393.884487212079
3.82
1.2046e-05
3.298e-08
d
yr
n .258271042760537 2.232e-09 deg/d
Q 2.863141234714965 1.6495e-08 au
  Orbit Determination Parameters
   # obs. used (total)      396  
   data-arc span      8915 days (24.41 yr)  
   first obs. used      1996-06-20  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55568  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 00:22:01  

Additional Information
 Earth MOID = 1.02312 au 
 Jupiter MOID = 2.27939 au 
 T_jup = 3.460 
[ 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 16.3   n/a MPO437233  
rotation period rot_per 4.948 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

268023 (2004 NA28)          Discovered 2004-Jul-11 by LINEAR at Socorro
Reference: 20110319/Numbers.arcLast Updated: 2011-03-23
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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