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67542 (2000 SR20)
Classification: Main-belt Asteroid          SPK-ID: 2067542
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2102854698388299 2.8634e-08  
a 2.262433883363193 7.419e-09 au
q 1.786676911220876 6.2511e-08 au
i 5.023483931075813 2.817e-06 deg
node 256.5106687755774 4.4311e-05 deg
peri 358.8154070737933 4.5306e-05 deg
M 84.34950061125161 1.0132e-05 deg
tp 2458909.265858345566
(2020-Feb-29.76585835)
3.4886e-05 TDB
period 1242.974649948441
3.40
6.114e-06
1.674e-08
d
yr
n .2896277892835006 1.4246e-09 deg/d
Q 2.738190855505511 8.9792e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1360  
   data-arc span      7997 days (21.89 yr)  
   first obs. used      1999-03-22  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50775  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:30:38  

Additional Information
 Earth MOID = .77023 au 
 Jupiter MOID = 2.31754 au 
 T_jup = 3.584 
[ 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 15.43   n/a E2021B10  
diameter diameter 1.941 km 0.451 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.356   0.180 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

67542 (2000 SR20)          Discovered 2000-Sep-22 by LONEOS at Anderson Mesa
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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