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243535 (2010 ET87)
Classification: Main-belt Asteroid          SPK-ID: 2243535
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1079069603413402 8.8934e-08  
a 2.62031600767896 2.8556e-08 au
q 2.337565672156567 2.4475e-07 au
i 14.49672083530915 8.1534e-06 deg
node 26.10818511957279 1.8403e-05 deg
peri 163.1150504124802 2.9039e-05 deg
M 160.2378836598525 2.5541e-05 deg
tp 2458310.908925867467
(2018-Jul-11.40892587)
0.00010229 TDB
period 1549.276494531683
4.24
2.5326e-05
6.934e-08
d
yr
n .2323665280346368 3.7984e-09 deg/d
Q 2.903066343201352 3.1637e-08 au
  Orbit Determination Parameters
   # obs. used (total)      543  
   data-arc span      7705 days (21.10 yr)  
   first obs. used      1999-10-13  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50607  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 00:09:21  

Additional Information
 Earth MOID = 1.33973 au 
 Jupiter MOID = 2.05594 au 
 T_jup = 3.352 
[ show covariance matrix ]

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 15.5   n/a MPO440239  
diameter diameter 2.104 km 0.491 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.332   0.136 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

243535 (2010 ET87)          Discovered 2010-Mar-13 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20100626/Numbers.arcLast Updated: 2010-06-28

[ show close-approach data ]
Alternate Designations
 2010 ET87 = 2003 UY175 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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