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15814 (1994 PX12)
Classification: Main-belt Asteroid          SPK-ID: 2015814
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1659760318205533 6.0095e-08  
a 2.557873048635256 1.243e-08 au
q 2.133327430122035 1.51e-07 au
i 1.72131860019858 4.8096e-06 deg
node 199.1066221630754 0.00015782 deg
peri 181.1471901597291 0.00015852 deg
M 75.34400373620406 1.4835e-05 deg
tp 2458687.774641071971
(2019-Jul-23.27464107)
6.1767e-05 TDB
period 1494.228122097966
4.09
1.0892e-05
2.982e-08
d
yr
n .2409270677455483 1.7562e-09 deg/d
Q 2.982418667148476 1.4493e-08 au
  Orbit Determination Parameters
   # obs. used (total)      684  
   data-arc span      9305 days (25.48 yr)  
   first obs. used      1994-08-10  
   last obs. used      2020-01-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52141  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 21:28:37  

Additional Information
 Earth MOID = 1.13584 au 
 Jupiter MOID = 2.47677 au 
 T_jup = 3.416 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457012.5 (2014-Dec-21.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1663969715031056 6.0188e-08  
q 2.13211321518214 1.5117e-07 au
tp 2457189.178281798739
(2015-Jun-15.67828180)
6.3359e-05 TDB
node 199.1394742102152 0.00015815 deg
peri 180.2260082718812 0.00015883 deg
i 1.717274098769968 4.8057e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      684  
   data-arc span      9305 days (25.48 yr)  
   first obs. used      1994-08-10  
   last obs. used      2020-01-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52141  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 21:28:37  

Additional Information
 Jupiter MOID = 2.47677 au 
 T_jup = 3.416 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.622592581349511E-15 -9.079771460200397E-15 1.390436707467099E-12 3.947272662838916E-14 1.223746899705825E-13 -2.027600051008989E-15
q -9.079771460200397E-15 2.285205400316295E-14 -3.711103194083047E-12 -9.883589668214434E-14 -3.654493792470284E-13 5.260138795684596E-15
tp 1.390436707467099E-12 -3.711103194083047E-12 4.014384522525803E-9 4.420776077174865E-11 9.307216077068364E-10 -2.116445909535531E-12
node 3.947272662838916E-14 -9.883589668214434E-14 4.420776077174865E-11 2.501027252822093E-8 -2.499007549984667E-8 3.102828646876534E-10
peri 1.223746899705825E-13 -3.654493792470284E-13 9.307216077068364E-10 -2.499007549984667E-8 2.522629657128045E-8 -3.106038446541566E-10
i -2.027600051008989E-15 5.260138795684596E-15 -2.116445909535531E-12 3.102828646876534E-10 -3.106038446541566E-10 2.3094721327864E-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 15.5   n/a MPO502290  

15814 (1994 PX12)          Discovered 1994-Aug-10 by Elst, E. W. at La Silla
Reference: 20000726/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1994 PX12 = 1998 OJ8 = 2000 CG64 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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