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66579 (1999 RK154)
Classification: Main-belt Asteroid          SPK-ID: 2066579
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1819238344924929 4.9518e-08  
a 2.605496761362189 1.3114e-08 au
q 2.131494799777408 1.3407e-07 au
i 3.190884414739067 3.8981e-06 deg
node 307.6846800886797 8.6357e-05 deg
peri 93.97566663613404 8.7034e-05 deg
M 292.7655753583205 1.1787e-05 deg
tp 2459287.395294582614
(2021-Mar-13.89529458)
5.1274e-05 TDB
period 1536.152151225744
4.21
1.1598e-05
3.175e-08
d
yr
n .2343517858649253 1.7693e-09 deg/d
Q 3.079498722946971 1.55e-08 au
  Orbit Determination Parameters
   # obs. used (total)      789  
   data-arc span      7652 days (20.95 yr)  
   first obs. used      1999-08-22  
   last obs. used      2020-08-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57825  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 05:54:19  

Additional Information
 Earth MOID = 1.14281 au 
 Jupiter MOID = 2.34151 au 
 T_jup = 3.387 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457186.5 (2015-Jun-13.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1846835123016752 4.9839e-08  
q 2.122623037628666 1.3531e-07 au
tp 2457750.087791340858
(2016-Dec-27.58779134)
4.5462e-05 TDB
node 307.8645293629821 8.6644e-05 deg
peri 93.57095231820711 8.7272e-05 deg
i 3.186900547604616 3.8939e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      789  
   data-arc span      7652 days (20.95 yr)  
   first obs. used      1999-08-22  
   last obs. used      2020-08-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57825  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 05:54:19  

Additional Information
 Jupiter MOID = 2.34151 au 
 T_jup = 3.387 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.483928083591734E-15 -6.727208671447098E-15 -6.791025742696621E-13 -9.872070133106071E-16 -1.025454361750452E-13 -2.219131805861428E-15
q -6.727208671447098E-15 1.830769568594086E-14 1.908289535507125E-12 5.285639126477107E-15 2.814707450211051E-13 6.205234739951188E-15
tp -6.791025742696621E-13 1.908289535507125E-12 2.066836837335479E-9 6.347328989883472E-13 4.98137872972222E-10 8.39467125469469E-13
node -9.872070133106071E-16 5.285639126477107E-15 6.347328989883472E-13 7.507119574906243E-9 -7.49523786341173E-9 3.015731177994061E-11
peri -1.025454361750452E-13 2.814707450211051E-13 4.98137872972222E-10 -7.49523786341173E-9 7.616456809295772E-9 -2.998962848771287E-11
i -2.219131805861428E-15 6.205234739951188E-15 8.39467125469469E-13 3.015731177994061E-11 -2.998962848771287E-11 1.516240813746994E-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 15.0   n/a MPO436246  

66579 (1999 RK154)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1999 RK154 = 2001 BX58 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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