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295800 (2008 UR286)
Classification: Main-belt Asteroid          SPK-ID: 2295800
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07197993634751741 6.2569e-08  
a 2.710531792369859 2.7761e-08 au
q 2.515427886487154 1.7823e-07 au
i 3.535952642020464 6.8809e-06 deg
node 146.3525620713849 0.00010543 deg
peri 282.2785585533606 0.0001171 deg
M 190.2515710538179 5.4228e-05 deg
tp 2459769.070034586411
(2022-Jul-08.57003459)
0.00025129 TDB
period 1629.972154492398
4.46
2.5041e-05
6.856e-08
d
yr
n .2208626687319762 3.3931e-09 deg/d
Q 2.905635698252564 2.976e-08 au
  Orbit Determination Parameters
   # obs. used (total)      145  
   data-arc span      7108 days (19.46 yr)  
   first obs. used      2001-02-03  
   last obs. used      2020-07-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56842  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 19:48:07  

Additional Information
 Earth MOID = 1.53246 au 
 Jupiter MOID = 2.2861 au 
 T_jup = 3.357 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457014.5 (2014-Dec-23.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07339760941647334 6.2558e-08  
q 2.510115881248757 1.7839e-07 au
tp 2456513.760990087041
(2013-Aug-09.26099009)
0.00022585 TDB
node 146.383558106843 0.00010548 deg
peri 282.8553189852257 0.00011672 deg
i 3.535755098998229 6.8812e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      145  
   data-arc span      7108 days (19.46 yr)  
   first obs. used      2001-02-03  
   last obs. used      2020-07-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56842  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 19:48:07  

Additional Information
 Jupiter MOID = 2.2861 au 
 T_jup = 3.357 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.913525651683938E-15 -1.104897428818079E-14 -1.747347164078118E-12 -6.094791170469608E-15 -4.945968321988496E-13 -4.241746011511491E-16
q -1.104897428818079E-14 3.182174005890963E-14 6.578706420448008E-12 1.921578594907519E-14 1.779530937743956E-12 1.804114720989085E-15
tp -1.747347164078118E-12 6.578706420448008E-12 5.100939430802524E-8 -8.533072535472388E-12 1.132335661429659E-8 4.918960176621209E-13
node -6.094791170469608E-15 1.921578594907519E-14 -8.533072535472388E-12 1.112518866171966E-8 -1.110545413618681E-8 3.375921778319814E-11
peri -4.945968321988496E-13 1.779530937743956E-12 1.132335661429659E-8 -1.110545413618681E-8 1.362279853050223E-8 -3.357549257308898E-11
i -4.241746011511491E-16 1.804114720989085E-15 4.918960176621209E-13 3.375921778319814E-11 -3.357549257308898E-11 4.735074241604325E-11

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 16.9   n/a MPO471118  

295800 (2008 UR286)          Discovered 2008-Oct-28 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

[ 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
2159-May-05 23:58 01:12 Psych 0.0423831329280115 0.0423311535229586 0.0424351133602451 1.38889177141667 1.38889156587885 2509743.498286201 72.468962484951 2575.84903751997 90.7391134307715 5.13118937127325 6662.58058213467 T 11 CATAB v2.0f-lin.ifort 2020-Nov-11 19:48:08 2020-Nov-11 19:48

Alternate Designations
 2008 UR286 = 2006 GJ33 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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