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487251 (2014 PW27)
Classification: Main-belt Asteroid          SPK-ID: 2487251
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1749177800794589 6.3884e-08  
a 2.768080726826331 4.1727e-08 au
q 2.283894191009134 1.8257e-07 au
i 6.898741314158639 1.035e-05 deg
node 352.1607550757702 6.1244e-05 deg
peri 257.6329013711437 6.8292e-05 deg
M 154.2277335976758 3.0534e-05 deg
tp 2458279.846450641021
(2018-Jun-10.34645064)
0.00013758 TDB
period 1682.157104415508
4.61
3.8036e-05
1.041e-07
d
yr
n .2140109262416888 4.8391e-09 deg/d
Q 3.252267262643529 4.9026e-08 au
  Orbit Determination Parameters
   # obs. used (total)      91  
   data-arc span      5676 days (15.54 yr)  
   first obs. used      2004-04-13  
   last obs. used      2019-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57385  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 18:44:03  

Additional Information
 Earth MOID = 1.2825 au 
 Jupiter MOID = 1.851 au 
 T_jup = 3.306 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457368.5 (2015-Dec-12.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1752639563475699 6.3647e-08  
q 2.282422695577361 1.8191e-07 au
tp 2456599.661563176877
(2013-Nov-03.16156318)
0.00013333 TDB
node 352.2084091776021 6.1177e-05 deg
peri 257.8629224713761 6.8231e-05 deg
i 6.903883514600165 1.0355e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      91  
   data-arc span      5676 days (15.54 yr)  
   first obs. used      2004-04-13  
   last obs. used      2019-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57385  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 18:44:03  

Additional Information
 Jupiter MOID = 1.851 au 
 T_jup = 3.306 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.050898896293614E-15 -1.136903718166253E-14 9.276535083691915E-13 2.993463981227456E-14 -1.031891198784698E-14 -8.971464641540914E-15
q -1.136903718166253E-14 3.309052142487363E-14 -2.711058155027961E-12 -9.069930136309065E-14 1.379689303945118E-13 3.045975307298674E-14
tp 9.276535083691915E-13 -2.711058155027961E-12 1.777784632648892E-8 -6.434284828385178E-11 4.023295212170086E-9 -2.528290714004425E-12
node 2.993463981227456E-14 -9.069930136309065E-14 -6.434284828385178E-11 3.742646560220619E-9 -3.73066687019413E-9 -2.134030689575992E-10
peri -1.031891198784698E-14 1.379689303945118E-13 4.023295212170086E-9 -3.73066687019413E-9 4.655432367684236E-9 2.121306538894063E-10
i -8.971464641540914E-15 3.045975307298674E-14 -2.528290714004425E-12 -2.134030689575992E-10 2.121306538894063E-10 1.072362690536969E-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 16.8   n/a MPO456348  

487251 (2014 PW27)          Discovered 2010-Oct-17 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2017-03-14

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