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243492 (2009 UB26)
Classification: Main-belt Asteroid          SPK-ID: 2243492
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03441195432989844 6.7561e-08  
a 2.789568242351352 3.4042e-08 au
q 2.693573747395423 1.8142e-07 au
i 6.027559202984443 5.5847e-06 deg
node 60.17794787624445 6.4998e-05 deg
peri 272.9924154608011 0.0001079 deg
M 160.1173888794521 8.8608e-05 deg
tp 2458243.597550658058
(2018-May-05.09755066)
0.00041745 TDB
period 1701.781946795581
4.66
3.1151e-05
8.529e-08
d
yr
n .2115429657000842 3.8723e-09 deg/d
Q 2.885562737307282 3.5213e-08 au
  Orbit Determination Parameters
   # obs. used (total)      258  
   data-arc span      9813 days (26.87 yr)  
   first obs. used      1993-03-23  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63038  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 09:21:41  

Additional Information
 Earth MOID = 1.69155 au 
 Jupiter MOID = 2.23122 au 
 T_jup = 3.321 
[ 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 16.0   n/a MPO454787  
diameter diameter 3.158 km 1.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.071   0.045 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

243492 (2009 UB26)          Discovered 2009-Oct-21 by CSS at Catalina
Reference: 20100626/Numbers.arcLast Updated: 2010-06-28

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1951-Jan-25 07:35 00:02 Europ 0.0487560655613504 0.0487407454482689 0.0487714082557103 3.17667033806395 3.17667026944076 2433671.815700593 1.86841088721429 1827.8104855028 72.723670405781 -65.3927828355665 91104.5953290521 T 17 CATAB v2.0f-lin.ifort 2020-Feb-25 09:21:42 2020-Feb-25 09:21
1989-Jun-08 03:26 00:02 Hygie 0.0240008647546315 0.0239909725199361 0.0240107628891285 3.26468341180896 3.26468291870953 2447685.643207642 2.12190836129609 772.087764509058 51.1021800878379 50.5606839606385 54194.4262134914 T 17 CATAB v2.0f-lin.ifort 2020-Feb-25 09:21:42 2020-Feb-25 09:21
2098-Dec-27 04:12 00:04 Inter 0.0471383308180301 0.0471292841507917 0.0471474458665763 7.10918160450289 7.10918156081864 2487699.675190628 3.52817957992609 2883.7187791539 50.250660432562 81.0225715430239 138572.724785256 T 17 CATAB v2.0f-lin.ifort 2020-Feb-25 09:21:42 2020-Feb-25 09:21

Alternate Designations
 2009 UB26 = 2007 EW107 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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