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66470 (1999 RP18)
Classification: Main-belt Asteroid          SPK-ID: 2066470
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2714757792701625 3.3432e-08  
a 2.678577796263769 1.4053e-08 au
q 1.951408801687308 9.2246e-08 au
i 12.9032885141792 4.8314e-06 deg
node 181.4621640779554 1.9059e-05 deg
peri 124.9298999159354 2.1568e-05 deg
M 330.9181067988699 1.2265e-05 deg
tp 2459329.852551020882
(2021-Apr-25.35255102)
5.5235e-05 TDB
period 1601.23407528736
4.38
1.2601e-05
3.45e-08
d
yr
n .2248265919118627 1.7692e-09 deg/d
Q 3.40574679084023 1.7867e-08 au
  Orbit Determination Parameters
   # obs. used (total)      714  
   data-arc span      8102 days (22.18 yr)  
   first obs. used      1998-03-20  
   last obs. used      2020-05-25  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52955  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:22:26  

Additional Information
 Earth MOID = .967637 au 
 Jupiter MOID = 2.06288 au 
 T_jup = 3.289 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.24   n/a E2021B10  

66470 (1999 RP18)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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