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JPL Small-Body Database Browser
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347306 (2011 QN4)
Classification: Main-belt Asteroid          SPK-ID: 2347306
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2114758761906666 1.0145e-07  
a 2.574956816611404 2.2635e-08 au
q 2.030415567665378 2.7256e-07 au
i 6.840202188484721 5.1294e-06 deg
node 194.3873138844035 7.3337e-05 deg
peri 67.91057457462597 7.6182e-05 deg
M 80.15727068262383 1.3883e-05 deg
tp 2458664.457836207656
(2019-Jun-29.95783621)
5.9885e-05 TDB
period 1509.222780853346
4.13
1.99e-05
5.448e-08
d
yr
n .2385333726518815 3.1452e-09 deg/d
Q 3.11949806555743 2.7421e-08 au
  Orbit Determination Parameters
   # obs. used (total)      168  
   data-arc span      8740 days (23.93 yr)  
   first obs. used      1995-09-19  
   last obs. used      2019-08-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63146  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:33:28  

Additional Information
 Earth MOID = 1.0272 au 
 Jupiter MOID = 1.9848 au 
 T_jup = 3.386 
[ 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 16.7   n/a MPO242946  

347306 (2011 QN4)          Discovered 1995-Sep-19 by Spacewatch at Kitt Peak
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

[ show close-approach data ]
Alternate Designations
 2011 QN4 = 1995 SM27 = 1998 FL142 = 2002 EJ119 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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