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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 149 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4345260233397851 5.4601e-08  
a .8763943315440922 1.1333e-09 au
q .4955781877807087 4.7345e-08 au
i 5.417650220333662 4.0918e-06 deg
node 259.479766025127 1.534e-05 deg
peri 222.232341285641 1.4881e-05 deg
M 83.77386339847666 1.241e-05 deg
tp 2458930.764517484645
(2020-Mar-22.26451748)
1.0284e-05 TDB
period 299.6731043203204
0.82
5.8127e-07
1.591e-09
d
yr
n 1.201309009083432 2.3302e-09 deg/d
Q 1.257210475307476 1.6257e-09 au
  Orbit Determination Parameters
   # obs. used (total)      636  
   data-arc span      6611 days (18.10 yr)  
   first obs. used      2002-07-02  
   last obs. used      2020-08-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4996  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-08 05:58:18  

Additional Information
 Earth MOID = .00693776 au 
 Jupiter MOID = 3.82799 au 
 T_jup = 6.673 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457343.5 (2015-Nov-17.0) TDB
Reference: JPL 149 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4343458222432391 5.4645e-08  
q .4957636910704284 4.7377e-08 au
tp 2457432.289027038237
(2016-Feb-13.78902704)
1.0026e-05 TDB
node 259.5296476243338 1.534e-05 deg
peri 222.2325870443588 1.4887e-05 deg
i 5.415306586118937 4.0905e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      636  
   data-arc span      6611 days (18.10 yr)  
   first obs. used      2002-07-02  
   last obs. used      2020-08-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4996  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-08 05:58:18  

Additional Information
 Jupiter MOID = 3.82799 au 
 T_jup = 6.673 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.986125127731929E-15 -2.588831466968834E-15 1.724231192547469E-13 5.850552935520528E-14 -4.799119027144195E-14 7.65007631730298E-14
q -2.588831466968834E-15 2.24455832311901E-15 -1.513375660000791E-13 -5.1852402911101E-14 4.177502923795439E-14 -6.670309871993935E-14
tp 1.724231192547469E-13 -1.513375660000791E-13 1.005214035968162E-10 4.226836583889685E-11 1.651493071570005E-11 1.428083522604188E-11
node 5.850552935520528E-14 -5.1852402911101E-14 4.226836583889685E-11 2.353022820047139E-10 -2.087517905768459E-10 3.302026633396271E-11
peri -4.799119027144195E-14 4.177502923795439E-14 1.651493071570005E-11 -2.087517905768459E-10 2.216238218218461E-10 -2.674671838363597E-11
i 7.65007631730298E-14 -6.670309871993935E-14 1.428083522604188E-11 3.302026633396271E-11 -2.674671838363597E-11 1.673228725752185E-11

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

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