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163348 (2002 NN4)
Classification: Aten [NEO, PHA]          SPK-ID: 2163348
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 145 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4345260251169935 5.4656e-08  
a .8763943315439026 1.134e-09 au
q .495578186223066 4.7394e-08 au
i 5.417649735105644 4.1987e-06 deg
node 259.47976729 1.5414e-05 deg
peri 222.232338604538 1.4995e-05 deg
M 83.77386626900973 1.2482e-05 deg
tp 2458930.764515095163
(2020-Mar-22.26451510)
1.0344e-05 TDB
period 299.6731043202232
0.82
5.8162e-07
1.592e-09
d
yr
n 1.201309009083821 2.3315e-09 deg/d
Q 1.257210476864739 1.6267e-09 au
  Orbit Determination Parameters
   # obs. used (total)      613  
   data-arc span      6585 days (18.03 yr)  
   first obs. used      2002-07-02  
   last obs. used      2020-07-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47029  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jul-13 07:08:56  

Additional Information
 Earth MOID = .00693776 au 
 Jupiter MOID = 3.82799 au 
 T_jup = 6.673 
[ 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 20.1   n/a MPO385721  
diameter diameter 0.735 km 0.243 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  
rotation period rot_per 14.50 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Warner, B.D. (2017) Minor Planet Bull. 44, 22-36.]
geometric albedo albedo 0.030   0.027 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  

163348 (2002 NN4)          Discovered 2002-Jul-09 by LINEAR at Socorro
Reference: 20070926/Numbers.arcLast Updated: 2007-09-30

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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