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146461 (2001 RX56)
Classification: Main-belt Asteroid          SPK-ID: 2146461
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1447104749556538 3.0837e-08  
a 2.622836979819197 1.3799e-08 au
q 2.243284994738308 7.8808e-08 au
i 1.829472648181743 4.8517e-06 deg
node 133.6084403319881 0.00014183 deg
peri 309.7009685238044 0.00014456 deg
M 70.92905894511634 2.5111e-05 deg
tp 2458694.812928556975
(2019-Jul-30.31292856)
0.00010802 TDB
period 1551.51284052199
4.25
1.2244e-05
3.352e-08
d
yr
n .232031595612758 1.8311e-09 deg/d
Q 3.002388964900085 1.5796e-08 au
  Orbit Determination Parameters
   # obs. used (total)      489  
   data-arc span      9590 days (26.26 yr)  
   first obs. used      1994-01-18  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60943  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 23:54:52  

Additional Information
 Earth MOID = 1.25986 au 
 Jupiter MOID = 2.21137 au 
 T_jup = 3.388 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457352.5 (2015-Nov-26.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1435844264764522 3.0739e-08  
q 2.247522019197865 7.8424e-08 au
tp 2457144.877299959550
(2015-May-02.37729996)
0.00010921 TDB
node 133.6152785280319 0.0001418 deg
peri 310.2218202549521 0.00014457 deg
i 1.829227989484951 4.8522e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      489  
   data-arc span      9590 days (26.26 yr)  
   first obs. used      1994-01-18  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60943  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 23:54:52  

Additional Information
 Jupiter MOID = 2.21137 au 
 T_jup = 3.388 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.449018683649482E-16 -2.384757109262922E-15 -3.487794404787767E-13 -5.054061578400377E-15 -8.96581515716005E-14 -4.729160755341301E-16
q -2.384757109262922E-15 6.150267749465233E-15 8.085065935678811E-13 1.209144972419279E-14 2.135533774415255E-13 1.237812891248302E-15
tp -3.487794404787767E-13 8.085065935678811E-13 1.192576621896984E-8 1.87401799881005E-11 3.102291031050372E-9 3.306939902820097E-12
node -5.054061578400377E-15 1.209144972419279E-14 1.87401799881005E-11 2.010602230061522E-8 -2.009059313475595E-8 2.935690394343686E-10
peri -8.96581515716005E-14 2.135533774415255E-13 3.102291031050372E-9 -2.009059313475595E-8 2.090150517209539E-8 -2.925521692863057E-10
i -4.729160755341301E-16 1.237812891248302E-15 3.306939902820097E-12 2.935690394343686E-10 -2.925521692863057E-10 2.354380937391109E-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 16.4   n/a MPO469553  

146461 (2001 RX56)          Discovered 2001-Sep-12 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

[ show close-approach data ]
Alternate Designations
 2001 RX56 = 2003 BF66 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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