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JPL Small-Body Database Browser
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66608 (1999 RW196)
Classification: Main-belt Asteroid          SPK-ID: 2066608
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2207352924624606 4.6777e-08  
a 2.175554827796438 7.5731e-09 au
q 1.695333096614673 1.0243e-07 au
i 5.018632886680751 3.5288e-06 deg
node 264.1171151616534 5.1361e-05 deg
peri 75.01045112769626 5.2015e-05 deg
M 169.5418408407475 7.6712e-06 deg
tp 2458448.514245741527
(2018-Nov-26.01424574)
2.3956e-05 TDB
period 1172.069800278417
3.21
6.12e-06
1.676e-08
d
yr
n .3071489427630371 1.6038e-09 deg/d
Q 2.655776558978202 9.2448e-09 au
  Orbit Determination Parameters
   # obs. used (total)      859  
   data-arc span      10584 days (28.98 yr)  
   first obs. used      1991-01-15  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56267  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 10:51:21  

Additional Information
 Earth MOID = .695024 au 
 Jupiter MOID = 2.7532 au 
 T_jup = 3.648 
[ 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 15.8   n/a MPO453062  

66608 (1999 RW196)          Discovered 1999-Sep-08 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

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