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452320 (2000 ER15)
Classification: Main-belt Asteroid          SPK-ID: 2452320
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0952632946173345 5.8265e-08  
a 2.59310431095453 2.0738e-08 au
q 2.346076651006588 1.5864e-07 au
i 6.864079717659061 6.3181e-06 deg
node 172.9935769963702 6.4684e-05 deg
peri 299.9335864693398 7.9685e-05 deg
M 348.2731930857159 4.682e-05 deg
tp 2459050.182756259716
(2020-Jul-19.68275626)
0.00019854 TDB
period 1525.205657791774
4.18
1.8296e-05
5.009e-08
d
yr
n .2360337428338785 2.8315e-09 deg/d
Q 2.840131970902471 2.2714e-08 au
  Orbit Determination Parameters
   # obs. used (total)      110  
   data-arc span      8648 days (23.68 yr)  
   first obs. used      1996-03-26  
   last obs. used      2019-11-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62746  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 06:41:49  

Additional Information
 Earth MOID = 1.37117 au 
 Jupiter MOID = 2.24583 au 
 T_jup = 3.402 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457728.5 (2016-Dec-06.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09412853638641734 5.7914e-08  
q 2.349562497532328 1.5724e-07 au
tp 2457527.334001108298
(2016-May-18.83400111)
0.00019701 TDB
node 173.0291115297515 6.4613e-05 deg
peri 300.4836042853356 8.0016e-05 deg
i 6.866717719282988 6.3204e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      110  
   data-arc span      8648 days (23.68 yr)  
   first obs. used      1996-03-26  
   last obs. used      2019-11-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62746  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 06:41:49  

Additional Information
 Jupiter MOID = 2.24583 au 
 T_jup = 3.402 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.353983587696512E-15 -9.048954464906174E-15 -5.328002951224487E-12 2.272651696790814E-14 -1.182767385320002E-12 -8.390910779654748E-15
q -9.048954464906174E-15 2.472394258848074E-14 1.448874040534648E-11 -6.393350523093975E-14 3.231226761554819E-12 2.316343891672338E-14
tp -5.328002951224487E-12 1.448874040534648E-11 3.881490571119964E-8 2.811596307919569E-12 9.37902489306218E-9 4.564157447301598E-11
node 2.272651696790814E-14 -6.393350523093975E-14 2.811596307919569E-12 4.174836964246156E-9 -4.143355936518965E-9 2.340260848442654E-10
peri -1.182767385320002E-12 3.231226761554819E-12 9.37902489306218E-9 -4.143355936518965E-9 6.402575024399305E-9 -2.214277229457842E-10
i -8.390910779654748E-15 2.316343891672338E-14 4.564157447301598E-11 2.340260848442654E-10 -2.214277229457842E-10 3.994738750145572E-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 17.6   n/a MPO456153  

452320 (2000 ER15)          Discovered 2000-Mar-03 by Spacewatch at Kitt Peak
Reference: Last Updated: 2016-01-04

Alternate Designations
 2000 ER15 = 2002 TR327 = 2015 TZ109 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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