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487463 (2014 ST122)
Classification: Main-belt Asteroid          SPK-ID: 2487463
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05376644645283589 4.2246e-07  
a 2.90943355047864 4.1903e-08 au
q 2.753003647278746 1.2311e-06 au
i 3.104764873337654 1.2853e-05 deg
node 68.94389174686441 0.00047065 deg
peri 257.5149349381863 0.00060187 deg
M 8.339255081115043 0.00034247 deg
tp 2458558.510969389749
(2019-Mar-16.01096939)
0.0017245 TDB
period 1812.638044124839
4.96
3.9159e-05
1.072e-07
d
yr
n .1986055634034824 4.2906e-09 deg/d
Q 3.065863453678534 4.4156e-08 au
  Orbit Determination Parameters
   # obs. used (total)      138  
   data-arc span      5078 days (13.90 yr)  
   first obs. used      2005-12-07  
   last obs. used      2019-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55131  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-05 03:43:54  

Additional Information
 Earth MOID = 1.74231 au 
 Jupiter MOID = 2.11639 au 
 T_jup = 3.280 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457518.5 (2016-May-10.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05637797119882084 4.2112e-07  
q 2.745305252312221 1.2292e-06 au
tp 2456738.193185455523
(2014-Mar-21.69318546)
0.0016915 TDB
node 68.99993016514001 0.00047133 deg
peri 256.2311962923812 0.00059819 deg
i 3.103520813251532 1.2863e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      138  
   data-arc span      5078 days (13.90 yr)  
   first obs. used      2005-12-07  
   last obs. used      2019-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55131  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-05 03:43:54  

Additional Information
 Jupiter MOID = 2.11639 au 
 T_jup = 3.280 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.773436997122854E-13 -5.173600617210745E-13 7.017870706056854E-10 -1.698976396520474E-11 1.542984407247806E-10 3.176784978774564E-13
q -5.173600617210745E-13 1.510830450956481E-12 -2.051341810316024E-9 4.959611183378257E-11 -4.508440860530161E-10 -9.261953786021619E-13
tp 7.017870706056854E-10 -2.051341810316024E-9 2.861269560596968E-6 -6.797952026610216E-8 6.281599293178314E-7 1.266979264643276E-9
node -1.698976396520474E-11 4.959611183378257E-11 -6.797952026610216E-8 2.221518646465132E-7 -2.351357705745701E-7 -5.580944488869662E-9
peri 1.542984407247806E-10 -4.508440860530161E-10 6.281599293178314E-7 -2.351357705745701E-7 3.578262441963495E-7 5.820928039920047E-9
i 3.176784978774564E-13 -9.261953786021619E-13 1.266979264643276E-9 -5.580944488869662E-9 5.820928039920047E-9 1.654690609360248E-10

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.6   n/a MPO399040  

487463 (2014 ST122)          Discovered 2009-Aug-16 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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