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15813 (1994 PL12)
Classification: Main-belt Asteroid          SPK-ID: 2015813
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1375210916635427 3.9127e-08  
a 2.425139406634942 8.1873e-09 au
q 2.091631587998228 9.6926e-08 au
i 1.481489952182897 3.4535e-06 deg
node 260.0658961709882 0.00015822 deg
peri 269.693496364415 0.00015871 deg
M 200.0075161754085 1.2987e-05 deg
tp 2460009.556596429012
(2023-Mar-06.05659643)
5.06e-05 TDB
period 1379.44214277222
3.78
6.9855e-06
1.913e-08
d
yr
n .2609750629167524 1.3216e-09 deg/d
Q 2.758647225271655 9.3132e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1596  
   data-arc span      10833 days (29.66 yr)  
   first obs. used      1991-11-11  
   last obs. used      2021-07-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50292  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 14:04:10  

Additional Information
 Earth MOID = 1.09914 au 
 Jupiter MOID = 2.21331 au 
 T_jup = 3.498 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456295.5 (2013-Jan-03.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1362580096424676 3.8873e-08  
q 2.095436456824771 9.6162e-08 au
tp 2455868.511721837396
(2011-Nov-03.01172184)
4.928e-05 TDB
node 260.2574030039139 0.00015774 deg
peri 269.3546201780815 0.00015824 deg
i 1.48364983434491 3.458e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1596  
   data-arc span      10833 days (29.66 yr)  
   first obs. used      1991-11-11  
   last obs. used      2021-07-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50292  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 14:04:10  

Additional Information
 Jupiter MOID = 2.21331 au 
 T_jup = 3.498 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.51109296717723E-15 -3.72890062447423E-15 -2.052521762239273E-13 6.656728661923579E-15 -3.344844170516682E-14 4.319523776102992E-17
q -3.72890062447423E-15 9.247120867557017E-15 4.599499813370527E-13 -1.621492703587617E-14 7.326193200911027E-14 -2.280205034492688E-17
tp -2.052521762239273E-13 4.599499813370527E-13 2.428546778421848E-9 -1.333685798447651E-11 6.411470397955966E-10 -1.172052656115476E-16
node 6.656728661923579E-15 -1.621492703587617E-14 -1.333685798447651E-11 2.488101207838403E-8 -2.487563943874584E-8 5.76399065725681E-11
peri -3.344844170516682E-14 7.326193200911027E-14 6.411470397955966E-10 -2.487563943874584E-8 2.504051018234859E-8 -5.759803089363583E-11
i 4.319523776102992E-17 -2.280205034492688E-17 -1.172052656115476E-16 5.76399065725681E-11 -5.759803089363583E-11 1.195796140310511E-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 14.79   n/a MPCxxxxx  

15813 (1994 PL12)          Discovered 1994-Aug-10 by Elst, E. W. at La Silla
Reference: 20000726/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1994 PL12 = 1998 RU50 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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