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487161 (2014 OD251)
Classification: Main-belt Asteroid          SPK-ID: 2487161
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09899980834380026 7.5352e-08  
a 2.755745248116183 4.3168e-08 au
q 2.482926996708342 2.0216e-07 au
i 6.971924528823804 7.4106e-06 deg
node 31.12887937373034 7.2207e-05 deg
peri 194.7221334515104 8.698e-05 deg
M 168.1205951952657 4.6856e-05 deg
tp 2458220.175135219610
(2018-Apr-11.67513522)
0.00021477 TDB
period 1670.925272389537
4.57
3.9262e-05
1.075e-07
d
yr
n .2154494913379194 5.0624e-09 deg/d
Q 3.028563499524023 4.7442e-08 au
  Orbit Determination Parameters
   # obs. used (total)      76  
   data-arc span      5635 days (15.43 yr)  
   first obs. used      2004-04-20  
   last obs. used      2019-09-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58769  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 18:43:46  

Additional Information
 Earth MOID = 1.47456 au 
 Jupiter MOID = 1.95016 au 
 T_jup = 3.326 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457238.5 (2015-Aug-04.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09882080413060966 7.5004e-08  
q 2.484007492509296 2.0107e-07 au
tp 2456552.350194821216
(2013-Sep-16.85019482)
0.00021613 TDB
node 31.14669516876367 7.2146e-05 deg
peri 195.4865786320552 8.7092e-05 deg
i 6.975298686360116 7.4141e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      76  
   data-arc span      5635 days (15.43 yr)  
   first obs. used      2004-04-20  
   last obs. used      2019-09-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58769  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 18:43:46  

Additional Information
 Jupiter MOID = 1.95016 au 
 T_jup = 3.326 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.625558867706771E-15 -1.48080937069769E-14 -3.458873482155369E-12 5.289082988436299E-14 -1.024907699367859E-12 -5.098814173687383E-16
q -1.48080937069769E-14 4.042729056635531E-14 8.717545573761975E-12 -1.550393577999818E-13 2.754021389241231E-12 3.63095365946075E-15
tp -3.458873482155369E-12 8.717545573761975E-12 4.671408374069973E-8 -3.237200262623087E-11 1.059440838832399E-8 -4.03421362449478E-11
node 5.289082988436299E-14 -1.550393577999818E-13 -3.237200262623087E-11 5.205065943899874E-9 -5.176089093526942E-9 -9.611307263982459E-11
peri -1.024907699367859E-12 2.754021389241231E-12 1.059440838832399E-8 -5.176089093526942E-9 7.584960401934865E-9 8.648578349880854E-11
i -5.098814173687383E-16 3.63095365946075E-15 -4.03421362449478E-11 -9.611307263982459E-11 8.648578349880854E-11 5.496841721591234E-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 16.8   n/a MPO450508  

487161 (2014 OD251)          Discovered 2013-Mar-18 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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