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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05455880984705732 4.3966e-08  
a 2.340384642293606 1.4369e-08 au
q 2.212696041625736 1.0392e-07 au
i 6.514293895024418 5.9329e-06 deg
node 187.4136733997413 4.0182e-05 deg
peri 301.7917198631092 6.9604e-05 deg
M 15.2848536592904 5.5137e-05 deg
tp 2458544.975063502081
(2019-Mar-02.47506350)
0.00020025 TDB
period 1307.763723802565
3.58
1.2044e-05
3.297e-08
d
yr
n .2752790840177409 2.5352e-09 deg/d
Q 2.468073242961476 1.5153e-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 = 1.23465 au 
 Jupiter MOID = 2.54597 au 
 T_jup = 3.554 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456660.5 (2014-Jan-03.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05454812952819552 4.4258e-08  
q 2.212966960235023 1.0462e-07 au
tp 2457239.593471287137
(2015-Aug-05.09347129)
0.00019854 TDB
node 187.4408167295585 4.0211e-05 deg
peri 302.4898828120109 6.938e-05 deg
i 6.511076988798471 5.931e-06 deg
  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
 Jupiter MOID = 2.54597 au 
 T_jup = 3.554 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.958755607572016E-15 -4.59126611509127E-15 2.354146287576297E-12 -1.282290620301036E-14 7.087419384976316E-13 -2.310112737348243E-15
q -4.59126611509127E-15 1.094549975340812E-14 -5.452874603936466E-12 2.971245758616083E-14 -1.665826433025115E-12 5.710652223307512E-15
tp 2.354146287576297E-12 -5.452874603936466E-12 3.941924386576543E-8 -9.757017246767231E-11 1.123344377341744E-8 1.064720974613953E-11
node -1.282290620301036E-14 2.971245758616083E-14 -9.757017246767231E-11 1.616945634708049E-9 -1.633789858351986E-9 1.388412412064382E-11
peri 7.087419384976316E-13 -1.665826433025115E-12 1.123344377341744E-8 -1.633789858351986E-9 4.813556045398004E-9 -1.091325853936216E-11
i -2.310112737348243E-15 5.710652223307512E-15 1.064720974613953E-11 1.388412412064382E-11 -1.091325853936216E-11 3.517669593636702E-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 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

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