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213901 (2003 UR48)
Classification: Main-belt Asteroid          SPK-ID: 2213901
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1253985711875244 4.9694e-08  
a 2.362617987199392 1.2141e-08 au
q 2.066349067342644 1.168e-07 au
i 8.19752868075123 5.1657e-06 deg
node 79.07995653077525 2.3924e-05 deg
peri 305.8324598682644 3.0114e-05 deg
M 270.2728956716769 2.0796e-05 deg
tp 2459531.105319815292
(2021-Nov-12.60531982)
7.821e-05 TDB
period 1326.443286278391
3.63
1.0224e-05
2.799e-08
d
yr
n .2714024819033568 2.092e-09 deg/d
Q 2.658886907056141 1.3663e-08 au
  Orbit Determination Parameters
   # obs. used (total)      554  
   data-arc span      6096 days (16.69 yr)  
   first obs. used      2003-10-16  
   last obs. used      2020-06-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52349  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:44:33  

Additional Information
 Earth MOID = 1.08231 au 
 Jupiter MOID = 2.78131 au 
 T_jup = 3.526 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457418.5 (2016-Jan-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1247587159388549 4.9715e-08  
q 2.068240218756979 1.1665e-07 au
tp 2456880.260112615291
(2014-Aug-10.76011262)
6.741e-05 TDB
node 79.11496034899892 2.3926e-05 deg
peri 306.1787389518093 3.0142e-05 deg
i 8.196524991187363 5.1648e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      554  
   data-arc span      6096 days (16.69 yr)  
   first obs. used      2003-10-16  
   last obs. used      2020-06-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52349  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:44:33  

Additional Information
 Jupiter MOID = 2.78131 au 
 T_jup = 3.526 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.471550963776582E-15 -5.775495573894957E-15 1.824780082041571E-12 -9.630362755960128E-15 4.435262632849103E-13 -1.07163470607992E-15
q -5.775495573894957E-15 1.360819148978165E-14 -4.006488876374638E-12 2.362108832470041E-14 -9.578898989800332E-13 2.311934186712697E-15
tp 1.824780082041571E-12 -4.006488876374638E-12 4.544076116263873E-9 -3.97217715361156E-12 1.240953907143106E-9 -4.009878505157288E-12
node -9.630362755960128E-15 2.362108832470041E-14 -3.97217715361156E-12 5.724450215256513E-10 -5.670116236752292E-10 -4.186207896863964E-11
peri 4.435262632849103E-13 -9.578898989800332E-13 1.240953907143106E-9 -5.670116236752292E-10 9.085220513575433E-10 4.040091989224577E-11
i -1.07163470607992E-15 2.311934186712697E-15 -4.009878505157288E-12 -4.186207896863964E-11 4.040091989224577E-11 2.667560918404475E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.63   n/a E2021B55  

213901 (2003 UR48)          Discovered 2003-Oct-16 by LONEOS at Anderson Mesa
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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