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181893 (1999 RC148)
Classification: Main-belt Asteroid          SPK-ID: 2181893
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2437217553609065 5.0246e-08  
a 2.320985652813715 1.1226e-08 au
q 1.755310955342477 1.1477e-07 au
i 2.8657509699882 5.6706e-06 deg
node 216.2351617415414 0.00012834 deg
peri 164.9946863158154 0.00012899 deg
M 341.8347257332285 1.4866e-05 deg
tp 2459265.669827179324
(2021-Feb-20.16982718)
5.3552e-05 TDB
period 1291.53776816199
3.54
9.3702e-06
2.565e-08
d
yr
n .2787374933001939 2.0223e-09 deg/d
Q 2.886660350284953 1.3962e-08 au
  Orbit Determination Parameters
   # obs. used (total)      210  
   data-arc span      7759 days (21.24 yr)  
   first obs. used      1999-09-07  
   last obs. used      2020-12-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52463  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:32:29  

Additional Information
 Earth MOID = .757123 au 
 Jupiter MOID = 2.5759 au 
 T_jup = 3.536 
[ 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 17.27   n/a E2021B55  

181893 (1999 RC148)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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