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480808 (1994 XL1)
Classification: Aten [NEO, PHA]          SPK-ID: 2480808
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2456322.5 (2013-Jan-30.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5262551923952086 7.9028e-08  
a .6708944788561627 2.3285e-09 au
q .3178327758088296 5.3433e-08 au
i 28.16729064054445 2.7682e-05 deg
node 252.679191824284 5.5114e-06 deg
peri 356.5442986512964 2.0542e-05 deg
M 205.6354316204656 5.0618e-05 deg
tp 2456408.564663646357
(2013-Apr-26.06466365)		 2.815e-05 TDB
period 200.7149648260622
0.55		 1.0449e-06
2.861e-09		 d
yr
n 1.793588237488783 9.3375e-09 deg/d
Q 1.023956181903496 3.5538e-09 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A2 [EST] -4.777975255908416E-14 4.044E-15
ALN [SET] 1. n/a
NK [SET] 0. n/a
NM [SET] 2. n/a
R0 [SET] 1. n/a
   Orbit Determination Parameters
   # obs. used (total)      171  
   data-arc span      8033 days (21.99 yr)  
   first obs. used      1994-12-09  
   last obs. used      2016-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46835  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 09:18:56  

Additional Information
 Earth MOID = .0365377 au 
 Jupiter MOID = 4.00792 au 
 T_jup = 8.294 
[ 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 20.9   n/a MPO217979  

480808 (1994 XL1)          Discovered 1994-Dec-06 by McNaught, R. H. at Siding Spring
Reference: Last Updated: 2017-01-17

[ show close-approach data ]
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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