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357711 (2005 QU40)
Classification: Main-belt Asteroid          SPK-ID: 2357711
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3026150413992024 3.9248e-08  
a 2.701548821549171 1.5611e-08 au
q 1.884019513074102 1.1133e-07 au
i 11.7331428183763 5.2101e-06 deg
node 173.2740502927618 2.451e-05 deg
peri 129.2118165804855 2.8044e-05 deg
M 135.435501602081 1.0234e-05 deg
tp 2458390.334459097786
(2018-Sep-28.83445910)
4.4813e-05 TDB
period 1621.876037866143
4.44
1.4058e-05
3.849e-08
d
yr
n .2219651758796818 1.924e-09 deg/d
Q 3.51907813002424 2.0335e-08 au
  Orbit Determination Parameters
   # obs. used (total)      323  
   data-arc span      5677 days (15.54 yr)  
   first obs. used      2004-03-15  
   last obs. used      2019-09-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59333  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 11:09:41  

Additional Information
 Earth MOID = .894172 au 
 Jupiter MOID = 1.90218 au 
 T_jup = 3.271 
[ 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 16.2   n/a MPO440602  

357711 (2005 QU40)          Discovered 2005-Aug-26 by NEAT at Palomar
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

[ show close-approach data ]
Alternate Designations
 2005 QU40 = 2004 EN27 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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