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90943 (1997 UX2)
Classification: Mars-crossing Asteroid          SPK-ID: 2090943
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2686565616937472 3.8151e-08  
a 2.275433494571848 8.9703e-09 au
q 1.664123355557387 8.8026e-08 au
i 10.21299919776263 5.3971e-06 deg
node 214.8262197521384 2.4709e-05 deg
peri 90.95545064539699 2.6731e-05 deg
M 266.7315720183303 1.1669e-05 deg
tp 2459325.308064033999
(2021-Apr-20.80806403)
4.1682e-05 TDB
period 1253.702947316967
3.43
7.4136e-06
2.03e-08
d
yr
n .2871493608357795 1.698e-09 deg/d
Q 2.886743633586308 1.138e-08 au
  Orbit Determination Parameters
   # obs. used (total)      776  
   data-arc span      10842 days (29.68 yr)  
   first obs. used      1990-08-20  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53438  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 16:36:15  

Additional Information
 Earth MOID = .689094 au 
 Jupiter MOID = 2.46559 au 
 T_jup = 3.541 
[ 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 15.7   n/a MPO417447  
diameter diameter 3.049 km 0.838 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
geometric albedo albedo 0.099   0.068 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  

90943 (1997 UX2)          Discovered 1997-Oct-24 by Comba, P. G. at Prescott
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 1997 UX2 = 2000 LM3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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