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24203 (1999 XA46)
Classification: Main-belt Asteroid          SPK-ID: 2024203
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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2014954682598954 3.4866e-08  
a 2.343137997450651 6.1284e-09 au
q 1.871006309456778 8.1725e-08 au
i 4.584125427377218 2.7236e-06 deg
node 265.1568209307071 5.1602e-05 deg
peri 34.05888994838195 5.2437e-05 deg
M 52.26986265986771 8.382e-06 deg
tp 2459010.285296208356
(2020-Jun-09.78529621)
3.0689e-05 TDB
period 1310.072188453787
3.59
5.1397e-06
1.407e-08
d
yr
n .27479401759142 1.0781e-09 deg/d
Q 2.815269685444523 7.3633e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1527  
   data-arc span      9830 days (26.91 yr)  
   first obs. used      1994-03-15  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48325  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:37:37  

Additional Information
 Earth MOID = .855387 au 
 Jupiter MOID = 2.40209 au 
 T_jup = 3.531 
[ 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 15.25   n/a E2021B10  

24203 (1999 XA46)          Discovered 1999-Dec-07 by LINEAR at Socorro
Reference: 20010408/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 XA46 = 1998 HQ87 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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