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22705 Erinedwards (1998 RF53)
Classification: Main-belt Asteroid          SPK-ID: 2022705
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03565687816458437 4.031e-08  
a 2.915724455821571 1.6713e-08 au
q 2.811758824138842 1.1765e-07 au
i 2.21629276643514 7.493e-06 deg
node 162.7288525860488 0.00010596 deg
peri 122.713696864372 0.00016963 deg
M 236.8197082951205 0.00013581 deg
tp 2459822.738492468511
(2022-Aug-31.23849247)
0.00068673 TDB
period 1818.520269665758
4.98
1.5635e-05
4.281e-08
d
yr
n .1979631494930588 1.7021e-09 deg/d
Q 3.0196900875043 1.7309e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1231  
   data-arc span      10962 days (30.01 yr)  
   first obs. used      1991-03-12  
   last obs. used      2021-03-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51257  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:10:15  

Additional Information
 Earth MOID = 1.79425 au 
 Jupiter MOID = 2.02299 au 
 T_jup = 3.280 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.14   n/a E2021B10  
diameter diameter 5.817 km 0.440 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.131   0.081 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

22705 Erinedwards           Discovered 1998 Sept. 14 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Erin Nicole Edwards (b. 1995) is a finalist in the 2006 Discovery Channel Young Scientist Challenge (DCYSC), a middle school science competition, for her physical science project. She attends the John Hancock Charter School, Pleasant Grove, Utah.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20061009/MPCPages.arcLast Updated: 2006-10-14

Alternate Designations
 1998 RF53 = 1993 RR13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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