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97333 (1999 XW256)
Classification: Main-belt Asteroid          SPK-ID: 2097333
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1105125271644972 5.8506e-08  
a 3.117286391466756 3.0237e-08 au
q 2.772787194450269 1.9052e-07 au
i 28.49006159894564 6.0267e-06 deg
node 58.50505870294204 1.0231e-05 deg
peri 197.3580499633761 3.1021e-05 deg
M 71.28463705254842 3.3087e-05 deg
tp 2458602.432313958057
(2019-Apr-28.93231396)
0.00018278 TDB
period 2010.312079858959
5.50
2.9249e-05
8.008e-08
d
yr
n .179076673520888 2.6055e-09 deg/d
Q 3.461785588483244 3.3578e-08 au
  Orbit Determination Parameters
   # obs. used (total)      902  
   data-arc span      7180 days (19.66 yr)  
   first obs. used      1999-11-03  
   last obs. used      2019-07-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5395  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 14:37:45  

Additional Information
 Earth MOID = 1.76674 au 
 Jupiter MOID = 1.58124 au 
 T_jup = 3.021 
[ 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 13.8   n/a MPO436450  
diameter diameter 11.914 km 3.944 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
geometric albedo albedo 0.038   0.049 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  

97333 (1999 XW256)          Discovered 1999-Dec-07 by CSS at Catalina
Reference: 20050224/Numbers.arcLast Updated: 2005-02-28

[ show close-approach data ]
Alternate Designations
 1999 XW256 = 2000 YX142 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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