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152168 (2005 OL4)
Classification: Main-belt Asteroid          SPK-ID: 2152168
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .19978087407814 3.7173e-08  
a 2.532979350181622 1.6003e-08 au
q 2.026938521580458 9.2667e-08 au
i 6.024064890102452 4.4845e-06 deg
node 80.61383148531526 4.8914e-05 deg
peri 312.4495514720941 5.1397e-05 deg
M 242.4049087255883 1.9486e-05 deg
tp 2459681.486174920796
(2022-Apr-11.98617492)
8.2171e-05 TDB
period 1472.46812001212
4.03
1.3954e-05
3.82e-08
d
yr
n .244487466388771 2.3169e-09 deg/d
Q 3.039020178782785 1.92e-08 au
  Orbit Determination Parameters
   # obs. used (total)      487  
   data-arc span      8770 days (24.01 yr)  
   first obs. used      1996-05-20  
   last obs. used      2020-05-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54703  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:25:59  

Additional Information
 Earth MOID = 1.03822 au 
 Jupiter MOID = 2.40254 au 
 T_jup = 3.414 
[ 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 16.19   n/a E2021B55  

152168 (2005 OL4)          Discovered 2005-Jul-27 by NEAT at Palomar
Reference: 20070303/Numbers.arcLast Updated: 2007-03-07

[ show close-approach data ]
Alternate Designations
 2005 OL4 = 2001 QP273 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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