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JPL Small-Body Database Browser
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461643 (2005 EZ247)
Classification: Main-belt Asteroid          SPK-ID: 2461643
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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02764641428431212 1.6158e-07  
a 3.100921983642016 5.3366e-08 au
q 3.015192609818918 5.2633e-07 au
i 15.02632564494333 1.6686e-05 deg
node 179.6477816453793 3.1299e-05 deg
peri 216.6591511794876 0.00021659 deg
M 352.1423670691037 0.00022113 deg
tp 2458644.033533878672
(2019-Jun-09.53353388)
0.0012256 TDB
period 1994.502967261187
5.46
5.1487e-05
1.41e-07
d
yr
n .1804960964757777 4.6594e-09 deg/d
Q 3.186651357465114 5.4841e-08 au
  Orbit Determination Parameters
   # obs. used (total)      75  
   data-arc span      5817 days (15.93 yr)  
   first obs. used      2002-10-10  
   last obs. used      2018-09-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62769  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 12:26:41  

Additional Information
 Earth MOID = 2.02428 au 
 Jupiter MOID = 1.93103 au 
 T_jup = 3.169 
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Orbital Elements at Epoch 2456802.5 (2014-May-25.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0240902333329347 1.6342e-07  
q 3.025638430537499 5.2892e-07 au
tp 2456628.384827830866
(2013-Dec-01.88482783)
0.0013032 TDB
node 179.734541644648 3.1365e-05 deg
peri 212.9884725482317 0.00023365 deg
i 15.00328985141996 1.6666e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      75  
   data-arc span      5817 days (15.93 yr)  
   first obs. used      2002-10-10  
   last obs. used      2018-09-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62769  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 12:26:41  

Additional Information
 Jupiter MOID = 1.93103 au 
 T_jup = 3.169 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.6707207033073E-14 -8.610057948244712E-14 -1.350631402591033E-10 -1.822964325961765E-14 -2.394643713311591E-11 1.241912176413154E-14
q -8.610057948244712E-14 2.797585946401751E-13 4.386098282698924E-10 6.929788380538223E-14 7.779217379539979E-11 -2.382360022381115E-14
tp -1.350631402591033E-10 4.386098282698924E-10 1.698326936635353E-6 4.74163658697104E-10 3.017709560517061E-7 3.202398906474804E-10
node -1.822964325961765E-14 6.929788380538223E-14 4.74163658697104E-10 9.837735043847286E-10 -8.662793166934985E-10 1.393777350412805E-10
peri -2.394643713311591E-11 7.779217379539979E-11 3.017709560517061E-7 -8.662793166934985E-10 5.459018225994539E-8 -7.829719057732467E-11
i 1.241912176413154E-14 -2.382360022381115E-14 3.202398906474804E-10 1.393777350412805E-10 -7.829719057732467E-11 2.777504292285571E-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 16.4   n/a MPO456235  
diameter diameter 3.776 km 1.688 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.034   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

461643 (2005 EZ247)          Discovered 2005-Mar-12 by Spacewatch at Kitt Peak
Reference: Last Updated: 2016-03-24

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