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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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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 152 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4345260259622137 5.4289e-08  
a .8763943315716827 1.1294e-09 au
q .4955781854980288 4.7073e-08 au
i 5.417650539703943 4.0194e-06 deg
node 259.4797662114203 1.5324e-05 deg
peri 222.2323412488263 1.4874e-05 deg
M 83.77386285959798 1.2363e-05 deg
tp 2458930.764517929928
(2020-Mar-22.26451793)
1.0244e-05 TDB
period 299.6731043344718
0.82
5.793e-07
1.586e-09
d
yr
n 1.201309009026703 2.3223e-09 deg/d
Q 1.257210477645337 1.6202e-09 au
  Orbit Determination Parameters
   # obs. used (total)      649  
   data-arc span      6617 days (18.12 yr)  
   first obs. used      2002-07-02  
   last obs. used      2020-08-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49758  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-14 07:28:09  

Additional Information
 Earth MOID = .00693776 au 
 Jupiter MOID = 3.82799 au 
 T_jup = 6.673 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457504.5 (2016-Apr-26.0) TDB
Reference: JPL 152 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4343436595775433 5.433e-08  
q .495745155595162 4.7101e-08 au
tp 2457432.288838864959
(2016-Feb-13.78883886)
9.9805e-06 TDB
node 259.5272654211255 1.5323e-05 deg
peri 222.2331834793531 1.488e-05 deg
i 5.415404757367967 4.0181e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      649  
   data-arc span      6617 days (18.12 yr)  
   first obs. used      2002-07-02  
   last obs. used      2020-08-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49758  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-14 07:28:09  

Additional Information
 Jupiter MOID = 3.82799 au 
 T_jup = 6.673 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.951766628661612E-15 -2.558909752091287E-15 1.714096922404104E-13 5.816792266904657E-14 -4.675675388662986E-14 7.495097276790704E-14
q -2.558909752091287E-15 2.21849976351415E-15 -1.504163870834511E-13 -5.153274575110102E-14 4.070218314394253E-14 -6.533809637437294E-14
tp 1.714096922404104E-13 -1.504163870834511E-13 9.960972535774283E-11 4.16957711112877E-11 1.648892005359838E-11 1.379387323717732E-11
node 5.816792266904657E-14 -5.153274575110102E-14 4.16957711112877E-11 2.347954415188181E-10 -2.086263484517432E-10 3.258833878753118E-11
peri -4.675675388662986E-14 4.070218314394253E-14 1.648892005359838E-11 -2.086263484517432E-10 2.214108636810858E-10 -2.656259245219236E-11
i 7.495097276790704E-14 -6.533809637437294E-14 1.379387323717732E-11 3.258833878753118E-11 -2.656259245219236E-11 1.614482701987445E-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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