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(2008 NP3)
Classification: Apollo [NEO]          SPK-ID: 3418110
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | 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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3339767971931841 3.6697e-07  
a 1.005028918691758 1.9822e-08 au
q .6693725793405554 3.5636e-07 au
i 1.429458810332653 4.988e-06 deg
node 78.34873091489449 7.9311e-05 deg
peri 328.2514326938499 7.8149e-05 deg
M 43.2505221551686 4.8286e-05 deg
tp 2459156.286477300530
(2020-Nov-02.78647730)
4.8125e-05 TDB
period 368.0156303016387
1.01
1.0887e-05
2.981e-08
d
yr
n .9782193210243032 2.894e-08 deg/d
Q 1.34068525804296 2.6442e-08 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A2 [EST] -1.978883602833284E-13 1.889E-14
ALN [SET] 1. n/a
NK [SET] 0. n/a
NM [SET] 2. n/a
R0 [SET] 1. n/a
  Orbit Determination Parameters
   # obs. used (total)      110  
   data-arc span      4680 days (12.81 yr)  
   first obs. used      2008-07-14  
   last obs. used      2021-05-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51714  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-07 05:54:42  

Additional Information
 Earth MOID = .0151726 au 
 Jupiter MOID = 4.03472 au 
 T_jup = 6.006 
 Nongravitational accels. using nonstandard g(r) = (1 au/ r)^2 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 23.0   n/a E2020V32  
diameter diameter 0.193 km 0.003 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2014ApJ...784..110M)  
geometric albedo albedo 0.023   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2014ApJ...784..110M)  

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