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120168 (2003 HW52)
Classification: Main-belt Asteroid          SPK-ID: 2120168
[ 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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02346680964854245 3.8442e-08  
a 2.692988815328454 1.6824e-08 au
q 2.629792959413487 1.02e-07 au
i 4.071216121941196 4.8975e-06 deg
node 48.723267674186 6.5558e-05 deg
peri 69.08184353131021 0.00013506 deg
M 94.56959844308901 0.00011707 deg
tp 2458776.467352389929
(2019-Oct-19.96735239)		 0.00052505 TDB
period 1614.173641981677
4.42		 1.5127e-05
4.142e-08		 d
yr
n .2230243330934569 2.09e-09 deg/d
Q 2.756184671243421 1.7219e-08 au
   Orbit Determination Parameters
   # obs. used (total)      593  
   data-arc span      8865 days (24.27 yr)  
   first obs. used      1996-11-05  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .63716  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 17:05:13  

Additional Information
 Earth MOID = 1.64935 au 
 Jupiter MOID = 2.24077 au 
 T_jup = 3.367 
[ 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 15.87   n/a E2021B55  

120168 (2003 HW52)          Discovered 2003-Apr-29 by LINEAR at Socorro
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

Alternate Designations
 2003 HW52 = 1996 VA13 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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