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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 156 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4346154075763669 5.3897e-08  
a .8758855247814864 1.3683e-09 au
q .4952121804383407 4.661e-08 au
i 5.420558649100929 3.7307e-06 deg
node 259.4688482829852 1.1205e-05 deg
peri 222.1702110720952 1.1227e-05 deg
M 324.3351939374593 9.6744e-06 deg
tp 2459230.162436157573
(2021-Jan-15.66243616)
8.0651e-06 TDB
period 299.4121711471234
0.82
7.0161e-07
1.921e-09
d
yr
n 1.202355931693589 2.8175e-09 deg/d
Q 1.256558869124632 1.963e-09 au
  Orbit Determination Parameters
   # obs. used (total)      680  
   data-arc span      6617 days (18.12 yr)  
   first obs. used      2002-07-02  
   last obs. used      2020-08-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4928  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:14:11  

Additional Information
 Earth MOID = .00659979 au 
 Jupiter MOID = 3.82842 au 
 T_jup = 6.676 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457657.5 (2016-Sep-26.0) TDB
Reference: JPL 156 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .434324233888111 5.3965e-08  
q .4957798124103592 4.6786e-08 au
tp 2457731.956880010919
(2016-Dec-09.45688001)
7.2276e-06 TDB
node 259.5095352178854 1.1217e-05 deg
peri 222.2400727600787 1.1281e-05 deg
i 5.414543955138957 3.7218e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      680  
   data-arc span      6617 days (18.12 yr)  
   first obs. used      2002-07-02  
   last obs. used      2020-08-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4928  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:14:11  

Additional Information
 Jupiter MOID = 3.82842 au 
 T_jup = 6.676 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.912243542889143E-15 -2.524757569211839E-15 1.809339723397577E-13 3.786432715511163E-14 -3.770368700521913E-14 7.073552877175461E-14
q -2.524757569211839E-15 2.188974496040635E-15 -1.578761201008034E-13 -3.340672876090296E-14 3.281748392988444E-14 -6.160204600131147E-14
tp 1.809339723397577E-13 -1.578761201008034E-13 5.223762816178088E-11 1.363239208413857E-11 1.255751522419982E-11 7.827286248038037E-12
node 3.786432715511163E-14 -3.340672876090296E-14 1.363239208413857E-11 1.258132684674763E-10 -1.174549452697705E-10 1.854516266513216E-11
peri -3.770368700521913E-14 3.281748392988444E-14 1.255751522419982E-11 -1.174549452697705E-10 1.272595856086845E-10 -1.659227385582261E-11
i 7.073552877175461E-14 -6.160204600131147E-14 7.827286248038037E-12 1.854516266513216E-11 -1.659227385582261E-11 1.385163420662977E-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 20.09   n/a MPCxxxxx  
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. 2020-October); 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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