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67020 (1999 XS137)
Classification: Outer Main-belt Asteroid          SPK-ID: 2067020
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02750601111138819 3.9808e-08  
a 3.502112456158975 3.2495e-08 au
q 3.405783312026535 1.4625e-07 au
i 8.831786659682683 4.565e-06 deg
node 255.8641500920851 3.0587e-05 deg
peri 353.3488199621145 0.00010664 deg
M 245.050904050662 0.00010398 deg
tp 2459964.857651630021
(2023-Jan-20.35765163)
0.00069094 TDB
period 2393.831393924871
6.55
3.3317e-05
9.122e-08
d
yr
n .1503865313629095 2.0931e-09 deg/d
Q 3.598441600291415 3.3389e-08 au
  Orbit Determination Parameters
   # obs. used (total)      966  
   data-arc span      7824 days (21.42 yr)  
   first obs. used      1999-10-13  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50021  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:26:45  

Additional Information
 Earth MOID = 2.38995 au 
 Jupiter MOID = 1.45002 au 
 T_jup = 3.107 
[ 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 13.72   n/a MPCxxxxx  
diameter diameter 11.735 km 0.209 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.051   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

67020 (1999 XS137)          Discovered 1999-Dec-11 by Pauwels, T. at Uccle
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 XS137 = 2001 AQ8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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