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487121 (2014 OB172)
Classification: Main-belt Asteroid          SPK-ID: 2487121
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06860213738269133 8.7484e-08  
a 2.597336293472774 6.7084e-08 au
q 2.419153472238905 2.7063e-07 au
i 9.915155068270824 6.4876e-06 deg
node 98.33006548085109 4.4843e-05 deg
peri 84.38489574497287 7.9911e-05 deg
M 261.1057841590613 7.5976e-05 deg
tp 2459420.509480489779
(2021-Jul-25.00948049)
0.00032846 TDB
period 1528.940916216129
4.19
5.9234e-05
1.622e-07
d
yr
n .2354571037911258 9.1221e-09 deg/d
Q 2.775519114706643 7.1686e-08 au
  Orbit Determination Parameters
   # obs. used (total)      70  
   data-arc span      2426 days (6.64 yr)  
   first obs. used      2013-04-05  
   last obs. used      2019-11-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .72902  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-05 03:43:25  

Additional Information
 Earth MOID = 1.44638 au 
 Jupiter MOID = 2.25082 au 
 T_jup = 3.392 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457643.5 (2016-Sep-12.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06856169667191862 8.7723e-08  
q 2.418577132608534 2.7114e-07 au
tp 2457896.098455385816
(2017-May-22.59845539)
0.0003111 TDB
node 98.38213741253516 4.488e-05 deg
peri 85.40170826945001 7.995e-05 deg
i 9.911844285428456 6.485e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      70  
   data-arc span      2426 days (6.64 yr)  
   first obs. used      2013-04-05  
   last obs. used      2019-11-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .72902  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-05 03:43:25  

Additional Information
 Jupiter MOID = 2.25082 au 
 T_jup = 3.392 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.695267096273388E-15 -2.339540432488856E-14 -3.051121385637725E-12 4.423755214677606E-14 -5.524591821932794E-13 8.047252433271152E-15
q -2.339540432488856E-14 7.351888733598702E-14 1.213793158474968E-11 -1.230518499319204E-13 2.206287513953051E-12 -1.713313672680482E-14
tp -3.051121385637725E-12 1.213793158474968E-11 9.678135987308258E-8 3.865205530614006E-10 2.066168696589588E-8 3.987487848904833E-11
node 4.423755214677606E-14 -1.230518499319204E-13 3.865205530614006E-10 2.014199643944858E-9 -1.898384388708712E-9 -1.67140746138923E-11
peri -5.524591821932794E-13 2.206287513953051E-12 2.066168696589588E-8 -1.898384388708712E-9 6.392038040286292E-9 2.513781970307786E-11
i 8.047252433271152E-15 -1.713313672680482E-14 3.987487848904833E-11 -1.67140746138923E-11 2.513781970307786E-11 4.205551202678143E-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 17.5   n/a MPO503656  

487121 (2014 OB172)          Discovered 2014-Jul-03 by Pan-STARRS 1 at Haleakala
Reference: Last Updated: 2017-03-14
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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