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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 ]

[ show orbit diagram ]
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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456813.5 (2014-Jun-05.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1955683221153832 4.0934e-08  
q 1.932429160110459 9.732e-08 au
tp 2456895.982162913365
(2014-Aug-26.48216291)
3.0218e-05 TDB
node 266.0325824164241 0.00049229 deg
peri 85.38528814456254 0.00049235 deg
i .4868504264471795 3.1149e-06 deg
  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
 Jupiter MOID = 2.56261 au 
 T_jup = 3.499 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.675607004609267E-15 -3.976200618791083E-15 2.622525045915876E-13 -7.53643390269783E-15 3.229695791777444E-14 -2.085428071051149E-16
q -3.976200618791083E-15 9.471229543638748E-15 -5.890759719446429E-13 1.948409026287597E-14 -7.123410173719858E-14 5.033136045140675E-16
tp 2.622525045915876E-13 -5.890759719446429E-13 9.131039317322675E-10 -6.437707176347512E-12 2.55878729695276E-10 -7.603983023713851E-14
node -7.53643390269783E-15 1.948409026287597E-14 -6.437707176347512E-12 2.423451308047524E-7 -2.423374295920624E-7 -9.431796483086989E-11
peri 3.229695791777444E-14 -7.123410173719858E-14 2.55878729695276E-10 -2.423374295920624E-7 2.424060787697537E-7 9.429774517125708E-11
i -2.085428071051149E-16 5.033136045140675E-16 -7.603983023713851E-14 -9.431796483086989E-11 9.429774517125708E-11 9.702306823699222E-12

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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