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487524 (2014 UG91)
Classification: Main-belt Asteroid          SPK-ID: 2487524
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06518957219924182 5.5418e-08  
a 2.736261264912645 3.3506e-08 au
q 2.557885563627634 1.504e-07 au
i 5.138901302681997 7.1652e-06 deg
node 230.6517029949745 6.5676e-05 deg
peri 95.12779527949893 8.663e-05 deg
M 142.5126428977822 5.8677e-05 deg
tp 2458346.036148183593
(2018-Aug-15.53614818)
0.00026679 TDB
period 1653.235683958907
4.53
3.0366e-05
8.314e-08
d
yr
n .2177547965441498 3.9997e-09 deg/d
Q 2.914636966197657 3.569e-08 au
  Orbit Determination Parameters
   # obs. used (total)      199  
   data-arc span      6566 days (17.98 yr)  
   first obs. used      2002-01-13  
   last obs. used      2020-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50532  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-30 12:50:36  

Additional Information
 Earth MOID = 1.55256 au 
 Jupiter MOID = 2.28914 au 
 T_jup = 3.343 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457395.5 (2016-Jan-08.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06633347938323594 5.5639e-08  
q 2.553953462595592 1.5117e-07 au
tp 2456685.572038877787
(2014-Jan-28.07203888)
0.00025637 TDB
node 230.7669297902639 6.5853e-05 deg
peri 93.45399211599305 8.5949e-05 deg
i 5.131135759734049 7.1586e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      199  
   data-arc span      6566 days (17.98 yr)  
   first obs. used      2002-01-13  
   last obs. used      2020-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50532  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-30 12:50:36  

Additional Information
 Jupiter MOID = 2.28914 au 
 T_jup = 3.343 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.095662237562964E-15 -8.232410927591947E-15 1.985183696261069E-12 -2.861136433267521E-15 3.658986008318443E-13 6.036851187086819E-16
q -8.232410927591947E-15 2.285156913852584E-14 -4.564733696804183E-12 1.339220881019754E-14 -7.395463779215765E-13 -5.541892641955408E-16
tp 1.985183696261069E-12 -4.564733696804183E-12 6.572417149310416E-8 1.251958672093338E-10 1.41756934444009E-8 -5.648961392488691E-12
node -2.861136433267521E-15 1.339220881019754E-14 1.251958672093338E-10 4.336566700815437E-9 -4.290967900632507E-9 -1.060872371541383E-11
peri 3.658986008318443E-13 -7.395463779215765E-13 1.41756934444009E-8 -4.290967900632507E-9 7.387269636243623E-9 9.34041372531231E-12
i 6.036851187086819E-16 -5.541892641955408E-16 -5.648961392488691E-12 -1.060872371541383E-11 9.34041372531231E-12 5.124573763337677E-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 16.5   n/a MPO456350  

487524 (2014 UG91)          Discovered 2008-Mar-31 by Spacewatch at Kitt Peak
Reference: Last Updated: 2017-03-14
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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