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193934 (2001 RW27)
Classification: Main-belt Asteroid          SPK-ID: 2193934
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1603113890003524 4.522e-08  
a 2.300139595854298 9.963e-09 au
q 1.931401022348186 1.0336e-07 au
i 6.202981438113918 4.5179e-06 deg
node 165.2235591276708 4.6233e-05 deg
peri 91.4985412153853 4.8568e-05 deg
M 196.765009491398 1.5709e-05 deg
tp 2459578.250693893055
(2021-Dec-29.75069389)
5.7401e-05 TDB
period 1274.176873190306
3.49
8.2786e-06
2.267e-08
d
yr
n .2825353430710337 1.8357e-09 deg/d
Q 2.66887816936041 1.156e-08 au
  Orbit Determination Parameters
   # obs. used (total)      403  
   data-arc span      7032 days (19.25 yr)  
   first obs. used      2001-07-20  
   last obs. used      2020-10-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58911  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 06:24:31  

Additional Information
 Earth MOID = .9288 au 
 Jupiter MOID = 2.39936 au 
 T_jup = 3.567 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457339.5 (2015-Nov-13.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .160383705869479 4.5103e-08  
q 1.931112341147344 1.0308e-07 au
tp 2457030.739892378120
(2015-Jan-08.23989238)
5.1246e-05 TDB
node 165.2530589819576 4.6209e-05 deg
peri 91.59078679308546 4.856e-05 deg
i 6.204547352708153 4.5199e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      403  
   data-arc span      7032 days (19.25 yr)  
   first obs. used      2001-07-20  
   last obs. used      2020-10-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58911  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 06:24:31  

Additional Information
 Jupiter MOID = 2.39936 au 
 T_jup = 3.567 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.034292040004322E-15 -4.634135246064371E-15 -8.0999098629463E-13 -1.666020480752238E-15 -2.62458940408353E-13 -5.839605997811639E-15
q -4.634135246064371E-15 1.062553122903885E-14 1.964683445196825E-12 6.320003707720751E-15 6.30478202715588E-13 1.380359349640086E-14
tp -8.0999098629463E-13 1.964683445196825E-12 2.626161630870532E-9 1.382772200327068E-11 7.904814964912434E-10 4.824766366462545E-12
node -1.666020480752238E-15 6.320003707720751E-15 1.382772200327068E-11 2.135290833677752E-9 -2.118217823155513E-9 7.306165891647982E-11
peri -2.62458940408353E-13 6.30478202715588E-13 7.904814964912434E-10 -2.118217823155513E-9 2.358038201677869E-9 -7.112399605809235E-11
i -5.839605997811639E-15 1.380359349640086E-14 4.824766366462545E-12 7.306165891647982E-11 -7.112399605809235E-11 2.042916262094753E-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 16.8   n/a MPO440069  

193934 (2001 RW27)          Discovered 2001-Sep-07 by LINEAR at Socorro
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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