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249569 (1989 SL3)
Classification: Main-belt Asteroid          SPK-ID: 2249569
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .335766411724419 6.6835e-08  
a 2.585014711116619 2.1163e-08 au
q 1.717053597310156 1.8299e-07 au
i 4.360737245310088 5.9694e-06 deg
node 168.945237225621 5.7294e-05 deg
peri 219.6726298719807 5.8175e-05 deg
M 125.1143156298969 9.6144e-06 deg
tp 2458472.908901848963
(2018-Dec-20.40890185)
3.58e-05 TDB
period 1518.074045948645
4.16
1.8642e-05
5.104e-08
d
yr
n .2371425827091563 2.9122e-09 deg/d
Q 3.452975824923082 2.8269e-08 au
  Orbit Determination Parameters
   # obs. used (total)      534  
   data-arc span      11134 days (30.48 yr)  
   first obs. used      1989-09-26  
   last obs. used      2020-03-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55497  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 00:16:53  

Additional Information
 Earth MOID = .724558 au 
 Jupiter MOID = 2.00146 au 
 T_jup = 3.337 
[ 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 16.5   n/a MPO413153  
diameter diameter 2.461 km 0.752 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
geometric albedo albedo 0.053   0.031 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

249569 (1989 SL3)          Discovered 1989-Sep-26 by Elst, E. W. at La Silla
Reference: 20100923/Numbers.arcLast Updated: 2010-09-27

[ show close-approach data ]
Alternate Designations
 1989 SL3 = 2003 BM60 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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