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19249 (1994 PO25)
Classification: Main-belt Asteroid          SPK-ID: 2019249
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.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0550849802013169 3.1184e-08  
a 2.913343639097312 1.4648e-08 au
q 2.752862162418004 8.8692e-08 au
i 2.707090662985373 3.2946e-06 deg
node 50.99928247253101 8.1472e-05 deg
peri 222.7865945809079 8.8978e-05 deg
M 116.6518652030332 3.6314e-05 deg
tp 2458411.961084368875
(2018-Oct-20.46108437)
0.00018298 TDB
period 1816.293372235731
4.97
1.3698e-05
3.75e-08
d
yr
n .1982058655848449 1.4949e-09 deg/d
Q 3.07382511577662 1.5455e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1517  
   data-arc span      9593 days (26.26 yr)  
   first obs. used      1994-08-12  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53654  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 03:10:26  

Additional Information
 Earth MOID = 1.73737 au 
 Jupiter MOID = 1.97626 au 
 T_jup = 3.279 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456884.5 (2014-Aug-15.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05681591476386322 3.1178e-08  
q 2.7485123825248 8.9057e-08 au
tp 2456605.073460281481
(2013-Nov-08.57346028)
0.00017791 TDB
node 51.01578476584279 8.1455e-05 deg
peri 224.7934473475028 8.8546e-05 deg
i 2.708798163889269 3.294e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1517  
   data-arc span      9593 days (26.26 yr)  
   first obs. used      1994-08-12  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53654  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 03:10:26  

Additional Information
 Jupiter MOID = 1.97626 au 
 T_jup = 3.279 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.720391159612095E-16 -2.74413074538181E-15 1.17359735582896E-12 -2.762279544313749E-15 2.203163840385924E-13 1.488599075983285E-16
q -2.74413074538181E-15 7.931195395047852E-15 -3.572401738015224E-12 7.905729758504369E-15 -6.676507760054153E-13 -3.296562295144593E-16
tp 1.17359735582896E-12 -3.572401738015224E-12 3.165284919598284E-8 -2.204945676012172E-11 6.198856524396254E-9 -7.263188588214042E-13
node -2.762279544313749E-15 7.905729758504369E-15 -2.204945676012172E-11 6.634984223530126E-9 -6.631629481047591E-9 -3.413644105881465E-11
peri 2.203163840385924E-13 -6.676507760054153E-13 6.198856524396254E-9 -6.631629481047591E-9 7.840327294305604E-9 3.396073089284137E-11
i 1.488599075983285E-16 -3.296562295144593E-16 -7.263188588214042E-13 -3.413644105881465E-11 3.396073089284137E-11 1.085069716889229E-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 14.3   n/a MPO319325  

19249 (1994 PO25)          Discovered 1994-Aug-12 by Elst, E. W. at La Silla
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1994 PO25 = 1997 ET37 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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