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487295 (2014 QU42)
Classification: Main-belt Asteroid          SPK-ID: 2487295
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2262039426823267 5.7547e-08  
a 2.661287998414667 4.1483e-08 au
q 2.059294160560112 1.4354e-07 au
i 11.63368023050542 1.4395e-05 deg
node 325.071208637661 2.6841e-05 deg
peri 268.5635357822208 4.2415e-05 deg
M 202.0118599025752 2.8605e-05 deg
tp 2459696.418249919623
(2022-Apr-26.91824992)
0.00012792 TDB
period 1585.755549856922
4.34
3.7077e-05
1.015e-07
d
yr
n .2270211193853186 5.3081e-09 deg/d
Q 3.263281836269223 5.0867e-08 au
  Orbit Determination Parameters
   # obs. used (total)      87  
   data-arc span      5717 days (15.65 yr)  
   first obs. used      2004-02-12  
   last obs. used      2019-10-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51943  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 18:44:23  

Additional Information
 Earth MOID = 1.08828 au 
 Jupiter MOID = 1.94541 au 
 T_jup = 3.320 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457198.5 (2015-Jun-25.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .22644740320349 5.7365e-08  
q 2.058067974198839 1.4281e-07 au
tp 2456526.479596698769
(2013-Aug-21.97959670)
0.00013627 TDB
node 325.1207444065539 2.6824e-05 deg
peri 268.6109497542636 4.2441e-05 deg
i 11.63800426320724 1.4401e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      87  
   data-arc span      5717 days (15.65 yr)  
   first obs. used      2004-02-12  
   last obs. used      2019-10-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51943  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 18:44:23  

Additional Information
 Jupiter MOID = 1.94541 au 
 T_jup = 3.320 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.290724210251648E-15 -8.014255798661053E-15 -3.273970506376183E-12 1.417168281986473E-14 -8.680269899177029E-13 -9.959075661777861E-15
q -8.014255798661053E-15 2.039358017815537E-14 7.005001547989006E-12 -3.125072947880084E-14 1.995648833768329E-12 2.587526548259503E-14
tp -3.273970506376183E-12 7.005001547989006E-12 1.856928504593565E-8 -1.059912053486775E-10 4.460997074663254E-9 1.38669193746921E-11
node 1.417168281986473E-14 -3.125072947880084E-14 -1.059912053486775E-10 7.195456875728004E-10 -7.290660384127975E-10 1.095142417038221E-10
peri -8.680269899177029E-13 1.995648833768329E-12 4.460997074663254E-9 -7.290660384127975E-10 1.801209222119655E-9 -1.034960643486317E-10
i -9.959075661777861E-15 2.587526548259503E-14 1.38669193746921E-11 1.095142417038221E-10 -1.034960643486317E-10 2.0739598421671E-10

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 16.9   n/a MPO413572  

487295 (2014 QU42)          Discovered 2004-Feb-12 by Spacewatch at Kitt Peak
Reference: Last Updated: 2017-03-14

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