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452101 (2014 QD161)
Classification: Main-belt Asteroid          SPK-ID: 2452101
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .217472787979266 1.0797e-07  
a 3.132002265234327 5.6738e-08 au
q 2.450877000656442 3.0943e-07 au
i 16.88580227975733 8.7141e-06 deg
node 344.633087937888 1.9689e-05 deg
peri 325.4989101421731 2.5787e-05 deg
M 16.9514864616722 1.657e-05 deg
tp 2458905.168414840067
(2020-Feb-25.66841484)
9.2168e-05 TDB
period 2024.564083814885
5.54
5.5014e-05
1.506e-07
d
yr
n .1778160557514447 4.8319e-09 deg/d
Q 3.813127529812213 6.9077e-08 au
  Orbit Determination Parameters
   # obs. used (total)      197  
   data-arc span      5001 days (13.69 yr)  
   first obs. used      2007-02-25  
   last obs. used      2020-11-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50136  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 07:07:33  

Additional Information
 Earth MOID = 1.45655 au 
 Jupiter MOID = 1.63144 au 
 T_jup = 3.111 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457985.5 (2017-Aug-20.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2181473835286641 1.0713e-07  
q 2.447243041741044 3.0696e-07 au
tp 2458906.671508856104
(2020-Feb-27.17150886)
9.1655e-05 TDB
node 344.7269702588959 1.9684e-05 deg
peri 325.8430279732719 2.5819e-05 deg
i 16.89093280532646 8.7171e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      197  
   data-arc span      5001 days (13.69 yr)  
   first obs. used      2007-02-25  
   last obs. used      2020-11-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50136  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 07:07:33  

Additional Information
 Jupiter MOID = 1.63144 au 
 T_jup = 3.111 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.147601954233368E-14 -3.270283374893245E-14 4.274161016437291E-12 5.45569551984107E-14 -1.721104591040671E-13 3.494438736518391E-15
q -3.270283374893245E-14 9.422580267048507E-14 -1.191140306700932E-11 -1.573633629333921E-13 4.489383584682408E-13 -4.883182031346097E-15
tp 4.274161016437291E-12 -1.191140306700932E-11 8.400631809192505E-9 4.883996439869249E-11 1.312367471271798E-9 -1.055100509010197E-11
node 5.45569551984107E-14 -1.573633629333921E-13 4.883996439869249E-11 3.874597751074012E-10 -3.647566778442387E-10 2.737429530048141E-11
peri -1.721104591040671E-13 4.489383584682408E-13 1.312367471271798E-9 -3.647566778442387E-10 6.666059499152062E-10 -2.934167837521135E-11
i 3.494438736518391E-15 -4.883182031346097E-15 -1.055100509010197E-11 2.737429530048141E-11 -2.934167837521135E-11 7.598730817200945E-11

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 15.5   n/a MPO437750  

452101 (2014 QD161)          Discovered 2007-Feb-25 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-11-30

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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