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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1401545018756125 5.8681e-08  
a 3.182665452549562 3.2858e-08 au
q 2.736600561410758 1.8562e-07 au
i 4.171059135152514 6.1496e-06 deg
node 302.7554252395337 9.6568e-05 deg
peri 344.2937342635095 9.9481e-05 deg
M 224.0525051826645 2.7667e-05 deg
tp 2458183.665630447491
(2018-Mar-06.16563045)
0.00016514 JED
period 2073.886152443794
5.68
3.2116e-05
8.793e-08
d
yr
n .1735871564481921 2.6882e-09 deg/d
Q 3.628730343688367 3.7463e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1158  
   data-arc span      9244 days (25.31 yr)  
   first obs. used      1990-08-29  
   last obs. used      2015-12-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53509  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 13:28:55  

Additional Information
 Earth MOID = 1.71882 au 
 Jupiter MOID = 1.53776 au 
 T_jup = 3.180 
[ 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 12.9 mag n/a MPO350921  

14867 (1990 RW4)          Discovered 1990-Sep-15 by Holt, H. E. at Palomar
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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