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78149 (2002 NN24)
Classification: Main-belt Asteroid          SPK-ID: 2078149
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03017222486012743 3.5868e-08  
a 3.103066520467723 2.1799e-08 au
q 3.009440099656238 1.1808e-07 au
i 6.382006695874752 3.9772e-06 deg
node 256.7303566319432 4.2202e-05 deg
peri 181.4726060955553 9.4428e-05 deg
M 337.6281092954835 8.3672e-05 deg
tp 2459124.575274175516
(2020-Oct-02.07527418)
0.0004641 TDB
period 1996.572363647763
5.47
2.1038e-05
5.76e-08
d
yr
n .1803090168704305 1.9e-09 deg/d
Q 3.196692941279209 2.2456e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1088  
   data-arc span      7990 days (21.88 yr)  
   first obs. used      1998-12-15  
   last obs. used      2020-10-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .511  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:28:05  

Additional Information
 Earth MOID = 2.02475 au 
 Jupiter MOID = 1.94565 au 
 T_jup = 3.211 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.1   n/a MPO319981  
diameter diameter 9.978 km 0.147 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.054   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

78149 (2002 NN24)          Discovered 2002-Jul-09 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2002 NN24 = 1998 XK56 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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