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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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1603114226376954 4.6043e-08  
a 2.300139588404852 1.0075e-08 au
q 1.931400938722387 1.0511e-07 au
i 6.202984953462336 4.7373e-06 deg
node 165.2235685849517 4.6818e-05 deg
peri 91.49851921334481 4.9408e-05 deg
M 196.7650204744326 1.6102e-05 deg
tp 2459578.250652213184
(2021-Dec-29.75065221)
5.8639e-05 TDB
period 1274.176867000305
3.49
8.3717e-06
2.292e-08
d
yr
n .2825353444436014 1.8563e-09 deg/d
Q 2.668878238087317 1.169e-08 au
  Orbit Determination Parameters
   # obs. used (total)      391  
   data-arc span      6702 days (18.35 yr)  
   first obs. used      2001-07-20  
   last obs. used      2019-11-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58294  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 15:38:07  

Additional Information
 Earth MOID = .9288 au 
 Jupiter MOID = 2.39936 au 
 T_jup = 3.567 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457158.5 (2015-May-16.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1603266843362172 4.5924e-08  
q 1.931216101401781 1.0482e-07 au
tp 2457030.742662626714
(2015-Jan-08.24266263)
5.3249e-05 TDB
node 165.2531502793565 4.6796e-05 deg
peri 91.59644990777194 4.9404e-05 deg
i 6.204368200287007 4.7391e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      391  
   data-arc span      6702 days (18.35 yr)  
   first obs. used      2001-07-20  
   last obs. used      2019-11-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58294  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 15:38:07  

Additional Information
 Jupiter MOID = 2.39936 au 
 T_jup = 3.567 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.109007537920716E-15 -4.798189232894419E-15 -8.612172842185706E-13 -1.058172399347762E-15 -2.818263799276819E-13 -7.306664911688019E-15
q -4.798189232894419E-15 1.098656570443455E-14 2.064695189678442E-12 4.957981469460009E-15 6.684548325573226E-13 1.715375255493035E-14
tp -8.612172842185706E-13 2.064695189678442E-12 2.835418627683417E-9 1.340564401564542E-11 8.682007706398085E-10 6.174114333330057E-12
node -1.058172399347762E-15 4.957981469460009E-15 1.340564401564542E-11 2.189861521083757E-9 -2.172597716966124E-9 7.601646518701727E-11
peri -2.818263799276819E-13 6.684548325573226E-13 8.682007706398085E-10 -2.172597716966124E-9 2.440797182617088E-9 -7.361422987613944E-11
i -7.306664911688019E-15 1.715375255493035E-14 6.174114333330057E-12 7.601646518701727E-11 -7.361422987613944E-11 2.245935530753047E-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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