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193954 (2001 RW65)
Classification: Main-belt Asteroid          SPK-ID: 2193954
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1704459481278573 8.5402e-08  
a 2.367197061116336 1.412e-08 au
q 1.963717913628885 2.0876e-07 au
i 4.906221123696437 6.9237e-06 deg
node 301.4660637462686 8.5271e-05 deg
peri 51.35525251295185 8.7988e-05 deg
M 56.28110700212326 1.9037e-05 deg
tp 2458792.525457976638
(2019-Nov-05.02545798)
6.9772e-05 TDB
period 1330.301394490796
3.64
1.1903e-05
3.259e-08
d
yr
n .270615366931791 2.4213e-09 deg/d
Q 2.770676208603787 1.6527e-08 au
  Orbit Determination Parameters
   # obs. used (total)      237  
   data-arc span      6703 days (18.35 yr)  
   first obs. used      2001-06-24  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5466  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 21:48:49  

Additional Information
 Earth MOID = .962418 au 
 Jupiter MOID = 2.66816 au 
 T_jup = 3.522 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456498.5 (2013-Jul-25.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1710945830172116 8.5416e-08  
q 1.962748799517881 2.0915e-07 au
tp 2456133.001330164996
(2012-Jul-24.50133017)
6.624e-05 TDB
node 301.568883628676 8.5346e-05 deg
peri 51.50769347678407 8.8018e-05 deg
i 4.903567553254858 6.9217e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      237  
   data-arc span      6703 days (18.35 yr)  
   first obs. used      2001-06-24  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5466  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 21:48:49  

Additional Information
 Jupiter MOID = 2.66816 au 
 T_jup = 3.522 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.295842128244766E-15 -1.784444069321075E-14 -2.979060849484007E-13 -1.348324528207725E-14 -2.537565257957289E-13 -2.50870620005042E-14
q -1.784444069321075E-14 4.374265316656821E-14 6.38363571693555E-13 2.980747150044665E-14 6.060412612927978E-13 6.174256937986747E-14
tp -2.979060849484007E-13 6.38363571693555E-13 4.387750133144622E-9 -3.973736480216765E-11 1.465296252613283E-9 -6.479002310928996E-12
node -1.348324528207725E-14 2.980747150044665E-14 -3.973736480216765E-11 7.283942967715652E-9 -7.269913772821037E-9 2.186523903215269E-10
peri -2.537565257957289E-13 6.060412612927978E-13 1.465296252613283E-9 -7.269913772821037E-9 7.747149301384045E-9 -2.193757314970119E-10
i -2.50870620005042E-14 6.174256937986747E-14 -6.479002310928996E-12 2.186523903215269E-10 -2.193757314970119E-10 4.791040916889852E-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 16.9   n/a MPO494073  

193954 (2001 RW65)          Discovered 2001-Sep-10 by LINEAR at Socorro
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17

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