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20063 (1993 RC4)
Classification: Outer Main-belt Asteroid          SPK-ID: 2020063
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 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07240900542020322 3.537e-08  
a 3.220991800806518 1.8235e-08 au
q 2.987762988043488 1.1256e-07 au
i 3.981746987665324 3.6255e-06 deg
node 313.4149166591979 5.8372e-05 deg
peri 244.6684805108694 6.4994e-05 deg
M 62.36136507503599 2.7082e-05 deg
tp 2458834.740202494486
(2019-Dec-17.24020249)
0.00015985 TDB
period 2111.459987181961
5.78
1.793e-05
4.909e-08
d
yr
n .1704981397636952 1.4478e-09 deg/d
Q 3.454220613569547 1.9555e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1844  
   data-arc span      9838 days (26.93 yr)  
   first obs. used      1993-09-15  
   last obs. used      2020-08-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48333  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:12:21  

Additional Information
 Earth MOID = 1.98798 au 
 Jupiter MOID = 1.53881 au 
 T_jup = 3.181 
[ 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 13.24   n/a E2021B10  
diameter diameter 11.339 km 0.308 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.079   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

20063 (1993 RC4)          Discovered 1993-Sep-15 by Elst, E. W. at La Silla
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1993 RC4 = 1998 SO5 = 1999 TY121 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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