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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 
[ show covariance matrix ]

[ 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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)		 Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1941-Sep-25 02:17 00:01 Iris 0.0441996290167843 0.0441967359214589 0.0442025240370859 3.88508032331403 3.88508028983642 2430262.594974669 1.01464386201348 519.335725577098 56.0298884860329 -75.0779500502706 114012.122413458 T 11 CATAB v2.0f-lin.ifort 2019-Nov-07 21:48:51 2019-Nov-07 21:49
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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