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(2002 XW39)
Classification: Mars-crossing Asteroid          SPK-ID: 3144507
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5018579382085858 8.2305e-08  
a 2.627718649301681 9.8185e-09 au
q 1.308977185770889 2.2057e-07 au
i 7.020418517186735 6.6264e-06 deg
node 5.540598214320378 4.0775e-05 deg
peri 77.29331322374659 4.9441e-05 deg
M 82.47032077286886 1.0875e-05 deg
tp 2458844.080132127650
(2019-Dec-26.58013213)
4.5212e-05 TDB
period 1555.846409127315
4.26
8.7201e-06
2.387e-08
d
yr
n .2313853076293864 1.2969e-09 deg/d
Q 3.946460112832472 1.4746e-08 au
  Orbit Determination Parameters
   # obs. used (total)      152  
   data-arc span      6261 days (17.14 yr)  
   first obs. used      2002-12-10  
   last obs. used      2020-01-31  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60861  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 21:39:37  

Additional Information
 Earth MOID = .35143 au 
 Jupiter MOID = 1.44773 au 
 T_jup = 3.200 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 20.2   n/a E2020A06  

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