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JPL Small-Body Database Browser
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320378 (2007 UR3)
Classification: Amor [NEO]          SPK-ID: 2320378
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 72 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2838118047378957 7.463e-08  
a 1.560002317705273 1.7697e-08 au
q 1.11725524452204 1.0504e-07 au
i 1.311496369638224 3.566e-06 deg
node 156.095578604103 0.00016362 deg
peri 316.2032567936262 0.00016425 deg
M 116.9489793317168 3.8114e-05 deg
tp 2458769.304047155850
(2019-Oct-12.80404716)
7.1512e-05 TDB
period 711.6825088983203
1.95
1.211e-05
3.316e-08
d
yr
n .5058435404816645 8.6076e-09 deg/d
Q 2.002749390888507 2.272e-08 au
  Orbit Determination Parameters
   # obs. used (total)      234  
   data-arc span      3842 days (10.52 yr)  
   first obs. used      2003-10-22  
   last obs. used      2014-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56381  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 09:23:45  

Additional Information
 Earth MOID = .134816 au 
 Jupiter MOID = 3.11068 au 
 T_jup = 4.385 
[ hide covariance matrix ]
Orbital Elements at Epoch 2455833.5 (2011-Sep-29.0) TDB
Reference: JPL 72 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2838093578283166 7.4754e-08  
q 1.117486177128472 1.046e-07 au
tp 2455922.769086251846
(2011-Dec-27.26908625)
2.6129e-05 TDB
node 156.1501123106857 0.00016366 deg
peri 316.1204426335555 0.00016428 deg
i 1.311117909526406 3.5666e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      234  
   data-arc span      3842 days (10.52 yr)  
   first obs. used      2003-10-22  
   last obs. used      2014-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56381  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 09:23:45  

Additional Information
 Jupiter MOID = 3.11068 au 
 T_jup = 4.385 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.588228919452594E-15 -7.808193652332719E-15 1.129334439392425E-12 -7.539551750399095E-13 1.063952533994673E-12 -3.086407702529693E-14
q -7.808193652332719E-15 1.094133719822512E-14 -1.492784387195269E-12 1.067416103536743E-12 -1.45196592327966E-12 4.324661813009784E-14
tp 1.129334439392425E-12 -1.492784387195269E-12 6.827498040546589E-10 -7.982776490617451E-11 4.411973536720319E-10 -4.991481455138985E-12
node -7.539551750399095E-13 1.067416103536743E-12 -7.982776490617451E-11 2.67837938674968E-8 -2.67743501991304E-8 1.003927112219032E-10
peri 1.063952533994673E-12 -1.45196592327966E-12 4.411973536720319E-10 -2.67743501991304E-8 2.698897472613407E-8 -1.012244396774074E-10
i -3.086407702529693E-14 4.324661813009784E-14 -4.991481455138985E-12 1.003927112219032E-10 -1.012244396774074E-10 1.272050763172928E-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 21.3   n/a MPO294632  

320378 (2007 UR3)          Discovered 2007-Oct-19 by Spacewatch at Kitt Peak
Reference: 20120308/Numbers.arcLast Updated: 2012-03-13

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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