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180321 (2003 XG38)
Classification: Main-belt Asteroid          SPK-ID: 2180321
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1939452457185826 4.2432e-08  
a 2.346391522449 1.2358e-08 au
q 1.89132004207563 9.4959e-08 au
i 2.985952559758205 4.5109e-06 deg
node 2.454403272007686 7.313e-05 deg
peri 136.780303922152 7.4056e-05 deg
M 220.4666654831008 1.3379e-05 deg
tp 2459709.332239554839
(2022-May-09.83223955)
5.1459e-05 TDB
period 1312.801753602161
3.59
1.0372e-05
2.84e-08
d
yr
n .2742226684358136 2.1665e-09 deg/d
Q 2.801463002822371 1.4755e-08 au
  Orbit Determination Parameters
   # obs. used (total)      494  
   data-arc span      8705 days (23.83 yr)  
   first obs. used      1996-12-08  
   last obs. used      2020-10-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55325  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:26:02  

Additional Information
 Earth MOID = .905708 au 
 Jupiter MOID = 2.22405 au 
 T_jup = 3.533 
[ 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 16.85   n/a E2021B55  

180321 (2003 XG38)          Discovered 2003-Dec-04 by LINEAR at Socorro
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

[ show close-approach data ]
Alternate Designations
 2003 XG38 = 1999 TZ224 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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