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172235 (2002 RF149)
Classification: Main-belt Asteroid          SPK-ID: 2172235
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06556094160662446 4.3166e-08  
a 2.658046823661664 2.3792e-08 au
q 2.483782771067908 1.1738e-07 au
i 14.13892299855446 5.8848e-06 deg
node 185.003781765704 1.9781e-05 deg
peri 263.6247338687605 6.7463e-05 deg
M 289.6151143149427 7.1193e-05 deg
tp 2459309.970514101244
(2021-Apr-05.47051410)
0.00031545 TDB
period 1582.859501611722
4.33
2.1252e-05
5.818e-08
d
yr
n .2274364841815939 3.0536e-09 deg/d
Q 2.83231087625542 2.5351e-08 au
  Orbit Determination Parameters
   # obs. used (total)      371  
   data-arc span      7652 days (20.95 yr)  
   first obs. used      1998-09-18  
   last obs. used      2019-08-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59913  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 03:45:32  

Additional Information
 Earth MOID = 1.54605 au 
 Jupiter MOID = 2.31873 au 
 T_jup = 3.341 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457081.5 (2015-Feb-28.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06479517434065693 4.3127e-08  
q 2.486887779035743 1.1786e-07 au
tp 2457718.539707563718
(2016-Nov-26.03970756)
0.00030755 TDB
node 185.1081952564797 1.975e-05 deg
peri 261.8307008446714 6.8385e-05 deg
i 14.1483151951083 5.8886e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      371  
   data-arc span      7652 days (20.95 yr)  
   first obs. used      1998-09-18  
   last obs. used      2019-08-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59913  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 03:45:32  

Additional Information
 Jupiter MOID = 2.31873 au 
 T_jup = 3.341 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.859924275335391E-15 -4.988781180164566E-15 -1.753054715578018E-12 -7.170145506008219E-15 -3.371623174156065E-13 5.741006065653528E-15
q -4.988781180164566E-15 1.389054698599434E-14 8.529076649936267E-12 2.157551231608068E-14 1.686270046512967E-12 -1.407110197014068E-14
tp -1.753054715578018E-12 8.529076649936267E-12 9.4588444559475E-8 1.021708094873096E-10 2.015062988779981E-8 4.254231563499148E-12
node -7.170145506008219E-15 2.157551231608068E-14 1.021708094873096E-10 3.900694653668431E-10 -3.555718834277369E-10 -6.836399535853397E-12
peri -3.371623174156065E-13 1.686270046512967E-12 2.015062988779981E-8 -3.555718834277369E-10 4.676518832583725E-9 7.635997781626763E-12
i 5.741006065653528E-15 -1.407110197014068E-14 4.254231563499148E-12 -6.836399535853397E-12 7.635997781626763E-12 3.467578814235179E-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 15.9   n/a MPO433105  

172235 (2002 RF149)          Discovered 2002-Sep-11 by NEAT at Haleakala
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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