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216473 (1999 RM67)
Classification: Main-belt Asteroid          SPK-ID: 2216473
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1933053431343888 4.2503e-08  
a 3.100140699517238 2.8737e-08 au
q 2.500866937832174 1.4166e-07 au
i 10.29476168192869 4.8998e-06 deg
node 181.5948413994783 3.6699e-05 deg
peri 160.8299403643973 4.0644e-05 deg
M 325.5839731222114 1.9267e-05 deg
tp 2459391.102575779428
(2021-Jun-25.60257578)
0.00010804 TDB
period 1993.749235617841
5.46
2.7722e-05
7.59e-08
d
yr
n .1805643325492937 2.5106e-09 deg/d
Q 3.699414461202302 3.4292e-08 au
  Orbit Determination Parameters
   # obs. used (total)      341  
   data-arc span      7652 days (20.95 yr)  
   first obs. used      1999-09-07  
   last obs. used      2020-08-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54978  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:54:57  

Additional Information
 Earth MOID = 1.49431 au 
 Jupiter MOID = 1.76164 au 
 T_jup = 3.169 
[ 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 15.50   n/a E2021B55  

216473 (1999 RM67)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20090707/Numbers.arcLast Updated: 2009-07-09

[ show close-approach data ]
Alternate Designations
 1999 RM67 = 2005 UR494 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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