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187116 (2005 QC71)
Classification: Main-belt Asteroid          SPK-ID: 2187116
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1892445987172266 3.2947e-08  
a 2.365873908092199 1.0736e-08 au
q 1.918145049739734 7.9927e-08 au
i 2.187134968594838 5.3629e-06 deg
node 9.30919838808696 0.00010369 deg
peri 274.1528278827128 0.00010486 deg
M 117.8955314357122 1.551e-05 deg
tp 2458765.208023015198
(2019-Oct-08.70802302)
5.6251e-05 TDB
period 1329.186185483028
3.64
9.0476e-06
2.477e-08
d
yr
n .2708424176626358 1.8436e-09 deg/d
Q 2.813602766444664 1.2768e-08 au
  Orbit Determination Parameters
   # obs. used (total)      390  
   data-arc span      9644 days (26.40 yr)  
   first obs. used      1994-08-12  
   last obs. used      2021-01-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .6343  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:54:04  

Additional Information
 Earth MOID = .901347 au 
 Jupiter MOID = 2.33996 au 
 T_jup = 3.523 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457699.5 (2016-Nov-07.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1890216235817566 3.2865e-08  
q 1.919085275853197 7.9746e-08 au
tp 2457436.483799443258
(2016-Feb-17.98379944)
5.4359e-05 TDB
node 9.356980154811103 0.00010362 deg
peri 274.2719566880729 0.00010479 deg
i 2.187779274802281 5.3648e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      390  
   data-arc span      9644 days (26.40 yr)  
   first obs. used      1994-08-12  
   last obs. used      2021-01-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .6343  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:54:04  

Additional Information
 Jupiter MOID = 2.33996 au 
 T_jup = 3.523 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.080135797216589E-15 -2.605612103105144E-15 -5.340351427274212E-13 2.980353691014028E-15 -1.65841994615304E-13 -4.302607141296553E-16
q -2.605612103105144E-15 6.359488087345907E-15 1.337111253169515E-12 -7.298609553447503E-15 4.164703183861751E-13 1.221910229809695E-15
tp -5.340351427274212E-13 1.337111253169515E-12 2.954858895564495E-9 -1.563043569661741E-11 8.635655702419697E-10 8.1283171990092E-13
node 2.980353691014028E-15 -7.298609553447503E-15 -1.563043569661741E-11 1.07361026703662E-8 -1.07319760472531E-8 1.843538841878796E-10
peri -1.65841994615304E-13 4.164703183861751E-13 8.635655702419697E-10 -1.07319760472531E-8 1.098081055989767E-8 -1.839825977926803E-10
i -4.302607141296553E-16 1.221910229809695E-15 8.1283171990092E-13 1.843538841878796E-10 -1.839825977926803E-10 2.878074204579173E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.14   n/a MPCxxxxx  

187116 (2005 QC71)          Discovered 2005-Aug-29 by Spacewatch at Kitt Peak
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

Alternate Designations
 2005 QC71 = 1994 PP28 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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