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14867 (1990 RW4)
Classification: Main-belt Asteroid          SPK-ID: 2014867
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1423234117341076 5.9985e-08  
a 3.176590859786706 3.5987e-08 AU
q 2.72448761093848 1.8788e-07 AU
i 4.177131220056013 6.2922e-06 deg
node 302.7555129919926 0.00010555 deg
peri 344.3919288617695 0.00010861 deg
M 119.6021530319494 2.7586e-05 deg
tp 2456113.468188245004
(2012-Jul-04.96818824)
0.00015612 JED
period 2067.951503897499
5.66
3.5141e-05
9.621e-08
d
yr
n .1740853203382684 2.9583e-09 deg/d
Q 3.628694108634932 4.1109e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1020  
   data-arc span      8565 days (23.45 yr)  
   first obs. used      1990-08-29  
   last obs. used      2014-02-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55031  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-16 13:55:12  

Additional Information
 Earth MOID = 1.7078 AU 
 T_jup = 3.181 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.8 mag n/a MPO236475  

14867 (1990 RW4)          Discovered 1990-Sep-15 by Holt, H. E. at Palomar (675)
Reference: 20000523/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1990 RW4 = 1990 QU18 = 1996 TK14 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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