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264308 (1999 NA5)
Classification: Amor [NEO]          SPK-ID: 2264308
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 52 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2485146257707961 3.4199e-08  
a 1.436332992982315 2.5988e-09 au
q 1.079383236749068 4.9095e-08 au
i 4.277517253353271 3.5711e-06 deg
node 262.1439413550946 5.6304e-05 deg
peri 318.8930799196704 5.4881e-05 deg
M 95.1328230161981 1.3306e-05 deg
tp 2458834.346683209064
(2019-Dec-16.84668321)
2.2961e-05 TDB
period 628.7545365341716
1.72
1.7064e-06
4.672e-09
d
yr
n .572560481208448 1.5539e-09 deg/d
Q 1.793282749215563 3.2446e-09 au
  Orbit Determination Parameters
   # obs. used (total)      162  
   data-arc span      7794 days (21.34 yr)  
   first obs. used      1999-06-22  
   last obs. used      2020-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5621  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-24 07:52:08  

Additional Information
 Earth MOID = .0826294 au 
 Jupiter MOID = 3.18865 au 
 T_jup = 4.638 
[ 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 20.3   n/a MPO376767  

264308 (1999 NA5)          Discovered 1999-Jul-13 by LINEAR at Socorro
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

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