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215647 (2003 UN71)
Classification: Main-belt Asteroid          SPK-ID: 2215647
[ 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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05432241386905193 4.4068e-08  
a 2.341047376658759 1.4151e-08 au
q 2.213876032176843 1.0396e-07 au
i 6.513449100568916 5.9321e-06 deg
node 187.4004943635287 4.0186e-05 deg
peri 302.165357742481 6.9764e-05 deg
M 125.0446232679827 5.5429e-05 deg
tp 2458546.060312306222
(2019-Mar-03.56031231)		 0.00020101 TDB
period 1308.319248714541
3.58		 1.1862e-05
3.248e-08		 d
yr
n .2751621978761757 2.4949e-09 deg/d
Q 2.468218721140674 1.4919e-08 au
   Orbit Determination Parameters
   # obs. used (total)      224  
   data-arc span      5613 days (15.37 yr)  
   first obs. used      2003-09-30  
   last obs. used      2019-02-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63887  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 17:54:27  

Additional Information
 Earth MOID = 1.23525 au 
 Jupiter MOID = 2.54356 au 
 T_jup = 3.554 
[ 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 17.1   n/a MPO418156  

215647 (2003 UN71)          Discovered 2003-Oct-19 by Spacewatch at Kitt Peak
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)		 Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2071-Feb-27 13:16 < 00:01 Eunom 0.0350895180663091 0.0350866213683419 0.0350924213790653 5.97846335331456 5.97846328639904 2477535.052850221 0.952784897798015 824.465180579707 51.0644467652433 80.5429661068389 101357.042028307 T 13 CATAB v2.0e-lin.ifort 2019-Jul-13 17:54:33 2019-Jul-13 17:54
2092-Aug-23 23:21 00:01 Eunom 0.0334254943325739 0.0334188006035515 0.033432201203853 5.94457151015261 5.94457143950532 2485383.473106205 1.16992561333687 1108.36870711484 50.6241987581085 72.6554869596829 94246.4480031048 T 13 CATAB v2.0e-lin.ifort 2019-Jul-13 17:54:33 2019-Jul-13 17:54

Alternate Designations
 2003 UN71 = 2005 EA11 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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