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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2688703707565842 3.6651e-08  
a 2.27580849402548 8.1767e-09 au
q 1.663911020465865 8.3903e-08 au
i 10.21320650092053 5.3179e-06 deg
node 214.81150032281 2.4399e-05 deg
peri 90.94312145897135 2.6482e-05 deg
M 20.45928831269255 1.1411e-05 deg
tp 2459325.232746938196
(2021-Apr-20.73274694)
3.9554e-05 TDB
period 1254.012882077276
3.43
6.7582e-06
1.85e-08
d
yr
n .2870783906172152 1.5471e-09 deg/d
Q 2.887705967585094 1.0375e-08 au
  Orbit Determination Parameters
   # obs. used (total)      848  
   data-arc span      11312 days (30.97 yr)  
   first obs. used      1990-08-20  
   last obs. used      2021-08-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52079  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 02:01:17  

Additional Information
 Earth MOID = .688398 au 
 Jupiter MOID = 2.46333 au 
 T_jup = 3.540 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.80   n/a MPO637236  
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

Alternate Designations
 1997 UX2 = 2000 LM3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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