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357707 (2005 QO18)
Classification: Main-belt Asteroid          SPK-ID: 2357707
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06826102640293757 1.2153e-07  
a 2.906170368217993 4.1467e-08 au
q 2.70779219598163 3.5232e-07 au
i 10.41765375237737 1.4837e-05 deg
node 168.0209374361879 3.8629e-05 deg
peri 168.3907794221437 8.405e-05 deg
M 8.062583800812863 7.6516e-05 deg
tp 2458959.972317211783
(2020-Apr-20.47231721)
0.00038423 TDB
period 1809.589353016994
4.95
3.8731e-05
1.06e-07
d
yr
n .1989401625290283 4.2579e-09 deg/d
Q 3.104548540454356 4.4298e-08 au
  Orbit Determination Parameters
   # obs. used (total)      132  
   data-arc span      5058 days (13.85 yr)  
   first obs. used      2005-08-25  
   last obs. used      2019-07-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61677  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:43:01  

Additional Information
 Earth MOID = 1.69964 au 
 Jupiter MOID = 2.21506 au 
 T_jup = 3.257 
[ 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 16.4   n/a MPO440602  

357707 (2005 QO18)          Discovered 2005-Aug-25 by NEAT at Palomar
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

[ show close-approach data ]
Alternate Designations
 2005 QO18 = 2008 FH46 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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