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JPL Small-Body Database Browser
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154824 (2004 RL4)
Classification: Outer Main-belt Asteroid          SPK-ID: 2154824
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1416987100323546 4.0311e-08  
a 3.243674075946303 3.5761e-08 au
q 2.784049643619322 1.335e-07 au
i 25.93644623051998 8.318e-06 deg
node 12.77019726536088 1.0198e-05 deg
peri 100.8221763610107 3.5271e-05 deg
M 138.6384578749529 3.0859e-05 deg
tp 2458178.758047147438
(2018-Mar-01.25804715)
0.00018146 TDB
period 2133.802608319174
5.84
3.5287e-05
9.661e-08
d
yr
n .1687128877790514 2.79e-09 deg/d
Q 3.703298508273284 4.0828e-08 au
  Orbit Determination Parameters
   # obs. used (total)      371  
   data-arc span      7129 days (19.52 yr)  
   first obs. used      1999-11-01  
   last obs. used      2019-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57086  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 07:28:58  

Additional Information
 Earth MOID = 1.92607 au 
 Jupiter MOID = 1.61706 au 
 T_jup = 3.010 
[ 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 14.8   n/a MPO396264  

154824 (2004 RL4)          Discovered 2004-Sep-04 by NEAT at Palomar
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04

[ show close-approach data ]
Alternate Designations
 2004 RL4 = 2001 CK44 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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