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29254 (1993 FR1)
Classification: Main-belt Asteroid          SPK-ID: 2029254
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 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09358714139583162 3.5239e-08  
a 3.194449950329824 2.0566e-08 au
q 2.8954905111464 1.1189e-07 au
i 5.906814566823188 4.1123e-06 deg
node 74.67900604269474 4.6509e-05 deg
peri 221.6961173520215 5.4141e-05 deg
M 175.1498132546085 2.9322e-05 deg
tp 2457985.888601788772
(2017-Aug-20.38860179)
0.00016854 TDB
period 2085.41531714383
5.71
2.0139e-05
5.514e-08
d
yr
n .1726274843387328 1.6671e-09 deg/d
Q 3.493409389513248 2.2491e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1940  
   data-arc span      9783 days (26.78 yr)  
   first obs. used      1993-03-23  
   last obs. used      2020-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48608  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 03:21:17  

Additional Information
 Earth MOID = 1.88296 au 
 Jupiter MOID = 1.67354 au 
 T_jup = 3.181 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456411.5 (2013-Apr-29.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09688821885188408 3.562e-08  
q 2.879924656625587 1.1359e-07 au
tp 2455876.481664493881
(2011-Nov-10.98166449)
0.00015756 TDB
node 75.09683181251827 4.6199e-05 deg
peri 217.2233972210605 5.3259e-05 deg
i 5.929630317556147 4.1265e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1940  
   data-arc span      9783 days (26.78 yr)  
   first obs. used      1993-03-23  
   last obs. used      2020-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48608  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 03:21:17  

Additional Information
 Jupiter MOID = 1.67354 au 
 T_jup = 3.181 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.268804312984136E-15 -3.99424980619983E-15 5.540436064974503E-13 2.3312481616118E-15 9.529506538711295E-14 3.226036840012725E-16
q -3.99424980619983E-15 1.290377252445707E-14 -1.592703646074353E-12 -1.35384044512802E-14 -2.539510744054936E-13 -1.173302570491843E-16
tp 5.540436064974503E-13 -1.592703646074353E-12 2.48238598545426E-8 -2.644925792597136E-11 4.217991066634527E-9 5.210859531052834E-12
node 2.3312481616118E-15 -1.35384044512802E-14 -2.644925792597136E-11 2.134301791810548E-9 -2.126235373271792E-9 -3.178235261649659E-11
peri 9.529506538711295E-14 -2.539510744054936E-13 4.217991066634527E-9 -2.126235373271792E-9 2.836501060125978E-9 3.246069117782982E-11
i 3.226036840012725E-16 -1.173302570491843E-16 5.210859531052834E-12 -3.178235261649659E-11 3.246069117782982E-11 1.702761594347834E-11

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 12.6   n/a MPO452581  
diameter diameter 15.411 km 0.140 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.089   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

29254 (1993 FR1)          Discovered 1993-Mar-25 by Ueda, S., Kaneda, H. at Kushiro
Reference: 20011002/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1993 FR1 = 1999 GC20 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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