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308357 (2005 QR115)
Classification: Main-belt Asteroid          SPK-ID: 2308357
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09117693604604231 4.3653e-08  
a 2.984944062826665 3.5842e-08 au
q 2.712786008909305 1.3931e-07 au
i .6204432225325026 5.4041e-06 deg
node 272.4778931789356 0.00045528 deg
peri 86.25675968503626 0.00045634 deg
M 295.181781826848 3.2101e-05 deg
tp 2459339.654286056035
(2021-May-05.15428606)
0.00017057 TDB
period 1883.660896910385
5.16
3.3928e-05
9.289e-08
d
yr
n .1911172019286903 3.4423e-09 deg/d
Q 3.257102116744026 3.911e-08 au
  Orbit Determination Parameters
   # obs. used (total)      180  
   data-arc span      8596 days (23.53 yr)  
   first obs. used      1995-10-27  
   last obs. used      2019-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .70476  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 09:09:19  

Additional Information
 Earth MOID = 1.70902 au 
 Jupiter MOID = 2.16181 au 
 T_jup = 3.252 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.7   n/a MPO440448  

308357 (2005 QR115)          Discovered 2005-Aug-28 by Spacewatch at Kitt Peak
Reference: 20111210/Numbers.arcLast Updated: 2011-12-12
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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