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22860 Francylemp (1999 RA149)
Classification: Main-belt Asteroid          SPK-ID: 2022860
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .195519320131198 4.0851e-08  
a 2.401752608273101 7.594e-09 au
q 1.932163571180213 9.7063e-08 au
i .487282479590948 3.1181e-06 deg
node 265.3676150289129 0.00049165 deg
peri 86.60208864115377 0.00049171 deg
M 196.3499800529647 8.9532e-06 deg
tp 2459618.522654695798
(2022-Feb-08.02265470)
3.5289e-05 TDB
period 1359.536379906917
3.72
6.448e-06
1.765e-08
d
yr
n .264796150599992 1.2559e-09 deg/d
Q 2.871341645365989 9.0788e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1592  
   data-arc span      16064 days (43.98 yr)  
   first obs. used      1976-05-03  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53764  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 05:35:25  

Additional Information
 Earth MOID = .926683 au 
 Jupiter MOID = 2.56261 au 
 T_jup = 3.499 
[ 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 15.0   n/a MPO319370  
diameter diameter 2.252 km 0.262 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.264   0.054 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

22860 Francylemp           Discovered 1999 Sept. 9 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Francy M. Lemp mentored a finalist in the 2006 Discovery Channel Young Scientist Challenge (DCYSC), a middle school science competition. She teaches at the Lemp Home School, Waterford, Michigan.
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

[ show close-approach data ]
Alternate Designations
 1999 RA149 = 1976 JJ5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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