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215649 (2003 UT103)
Classification: Main-belt Asteroid          SPK-ID: 2215649
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2036258406370302 3.8158e-08  
a 2.410455746264207 9.0949e-09 au
q 1.919624668612798 9.2386e-08 au
i 3.335460026239375 3.722e-06 deg
node 90.1144584370286 9.3757e-05 deg
peri 341.7569667256169 9.4585e-05 deg
M 135.4697001561726 1.2473e-05 deg
tp 2458486.116724500446
(2019-Jan-02.61672450)
4.6453e-05 TDB
period 1366.932819415427
3.74
7.7364e-06
2.118e-08
d
yr
n .263363345211036 1.4905e-09 deg/d
Q 2.901286823915616 1.0947e-08 au
  Orbit Determination Parameters
   # obs. used (total)      559  
   data-arc span      7558 days (20.69 yr)  
   first obs. used      1999-09-14  
   last obs. used      2020-05-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53832  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 03:40:42  

Additional Information
 Earth MOID = .934671 au 
 Jupiter MOID = 2.38266 au 
 T_jup = 3.489 
[ 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 16.65   n/a E2021B55  

215649 (2003 UT103)          Discovered 2003-Oct-20 by NEAT at Palomar
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

[ 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
1959-Feb-27 22:24 00:01 Iris 0.0152710008031655 0.0152580631556523 0.0152839695461058 4.16296339087503 4.16296330044703 2436627.433551056 1.11224426703721 1264.94788458591 35.6722633341756 -59.3480517332792 55071.269785005 T 19 CATAB v2.0f-lin.ifort 2020-Nov-12 03:40:43 2020-Nov-12 03:40
2018-Jul-03 22:38 < 00:01 Juno 0.043880429580133 0.0438742486113197 0.0438866107028723 4.86426723943465 4.86426718243691 2458303.443377581 0.661899924742193 334.588420324063 40.4484023647332 -23.1644273883032 66293.5927206249 T 19 CATAB v2.0f-lin.ifort 2020-Nov-12 03:40:43 2020-Nov-12 03:40
2191-May-29 07:52 < 00:01 Iris 0.025059773461547 0.0250453581607877 0.0250745375829272 4.18791754509023 4.18791749031328 2521454.827723200 0.51500034790789 4721.78594408215 35.1879194449792 -81.1494245592554 105216.120134703 T 19 CATAB v2.0f-lin.ifort 2020-Nov-12 03:40:43 2020-Nov-12 03:40
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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