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357717 (2005 QO78)
Classification: Main-belt Asteroid          SPK-ID: 2357717
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2436367407158541 1.0035e-07  
a 3.134023790513007 4.7601e-08 au
q 2.370460448866472 3.1343e-07 au
i 17.1620209194648 1.4219e-05 deg
node 350.2369972748926 2.6309e-05 deg
peri 45.48995791245301 4.5075e-05 deg
M 212.7649242556624 3.0706e-05 deg
tp 2459829.320803813422
(2022-Sep-06.82080381)
0.00018151 TDB
period 2026.524507590421
5.55
4.6169e-05
1.264e-07
d
yr
n .1776440396608119 4.0472e-09 deg/d
Q 3.897587132159543 5.9198e-08 au
  Orbit Determination Parameters
   # obs. used (total)      144  
   data-arc span      6257 days (17.13 yr)  
   first obs. used      2002-03-14  
   last obs. used      2019-05-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .69013  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 06:33:57  

Additional Information
 Earth MOID = 1.40679 au 
 Jupiter MOID = 1.77398 au 
 T_jup = 3.099 
[ 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 16.1   n/a MPO264886  
diameter diameter 4.491 km 1.451 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.032   0.032 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

357717 (2005 QO78)          Discovered 2005-Aug-25 by NEAT at Palomar
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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