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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 ]

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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1250356448838632 4.8077e-08  
a 2.362743013627609 1.202e-08 au
q 2.067315917223838 1.1338e-07 au
i 8.194563163702963 5.0597e-06 deg
node 79.05522515913161 2.3827e-05 deg
peri 305.7462111471255 2.9612e-05 deg
M 323.5301580066496 1.9948e-05 deg
tp 2459530.886158428432
(2021-Nov-12.38615843)
7.4131e-05 TDB
period 1326.548577947128
3.63
1.0123e-05
2.772e-08
d
yr
n .2713809399706344 2.071e-09 deg/d
Q 2.658170110031379 1.3523e-08 au
  Orbit Determination Parameters
   # obs. used (total)      558  
   data-arc span      6454 days (17.67 yr)  
   first obs. used      2003-10-16  
   last obs. used      2021-06-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .523  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 15:34:34  

Additional Information
 Earth MOID = 1.08376 au 
 Jupiter MOID = 2.78314 au 
 T_jup = 3.526 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457461.5 (2016-Mar-14.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1248746896675714 4.8072e-08  
q 2.067786941907772 1.1346e-07 au
tp 2456880.380961286638
(2014-Aug-10.88096129)
6.4342e-05 TDB
node 79.10578516472788 2.3813e-05 deg
peri 306.1934638532016 2.96e-05 deg
i 8.196847078034063 5.061e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      558  
   data-arc span      6454 days (17.67 yr)  
   first obs. used      2003-10-16  
   last obs. used      2021-06-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .523  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 15:34:34  

Additional Information
 Jupiter MOID = 2.78314 au 
 T_jup = 3.526 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.310888668721267E-15 -5.431812552409522E-15 1.571175248956201E-12 -8.947807696051899E-15 3.776719782928169E-13 -1.005405348865483E-15
q -5.431812552409522E-15 1.287299629106244E-14 -3.464175932035878E-12 2.196228522297931E-14 -8.169264477780182E-13 2.253058351362404E-15
tp 1.571175248956201E-12 -3.464175932035878E-12 4.13992231242513E-9 -3.264450791209314E-12 1.136315905149082E-9 -3.731189273100043E-12
node -8.947807696051899E-15 2.196228522297931E-14 -3.264450791209314E-12 5.670509487305177E-10 -5.615111508979891E-10 -3.948561509941307E-11
peri 3.776719782928169E-13 -8.169264477780182E-13 1.136315905149082E-9 -5.615111508979891E-10 8.761864894816639E-10 3.813233426279934E-11
i -1.005405348865483E-15 2.253058351362404E-15 -3.731189273100043E-12 -3.948561509941307E-11 3.813233426279934E-11 2.56135763956472E-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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