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JPL Small-Body Database Browser
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344714 (2003 UZ18)
Classification: Main-belt Asteroid          SPK-ID: 2344714
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05888290315883205 6.1823e-08  
a 2.689110081074138 2.6468e-08 au
q 2.530767472586811 1.7577e-07 au
i 6.708285259478742 5.8034e-06 deg
node 159.3523268344197 5.4442e-05 deg
peri 195.2128093953476 7.6533e-05 deg
M 306.3360939357212 5.8621e-05 deg
tp 2459240.599401805985
(2021-Jan-26.09940181)
0.00026398 TDB
period 1610.6875363605
4.41
2.378e-05
6.511e-08
d
yr
n .223507037754482 3.2999e-09 deg/d
Q 2.847452689561465 2.8027e-08 au
  Orbit Determination Parameters
   # obs. used (total)      243  
   data-arc span      5710 days (15.63 yr)  
   first obs. used      2003-09-22  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61728  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 23:05:41  

Additional Information
 Earth MOID = 1.52565 au 
 Jupiter MOID = 2.41913 au 
 T_jup = 3.360 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456902.5 (2014-Sep-02.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05970910620133524 6.2007e-08  
q 2.526055113153498 1.759e-07 au
tp 2457639.538120735189
(2016-Sep-08.03812073)
0.00025079 TDB
node 159.4509360626864 5.4493e-05 deg
peri 197.0551811884861 7.609e-05 deg
i 6.706702967526433 5.8055e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      243  
   data-arc span      5710 days (15.63 yr)  
   first obs. used      2003-09-22  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61728  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 23:05:41  

Additional Information
 Jupiter MOID = 2.41913 au 
 T_jup = 3.360 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.844928051982886E-15 -1.081369408158742E-14 1.019710428094456E-12 -1.160995273343494E-15 3.730300140400055E-13 2.744211103185681E-15
q -1.081369408158742E-14 3.09422923514069E-14 -3.15834194523359E-13 7.139723776810431E-15 -5.537798023536674E-13 -5.6645485940062E-15
tp 1.019710428094456E-12 -3.15834194523359E-13 6.289716258534585E-8 3.056627538926822E-11 1.335303056764359E-8 2.834008010606847E-11
node -1.160995273343494E-15 7.139723776810431E-15 3.056627538926822E-11 2.969441457563457E-9 -2.942228000352503E-9 1.182409161560164E-10
peri 3.730300140400055E-13 -5.537798023536674E-13 1.335303056764359E-8 -2.942228000352503E-9 5.789706616861394E-9 -1.114051604757621E-10
i 2.744211103185681E-15 -5.6645485940062E-15 2.834008010606847E-11 1.182409161560164E-10 -1.114051604757621E-10 3.370422567267906E-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 16.4   n/a MPO434169  

344714 (2003 UZ18)          Discovered 2003-Oct-20 by Spacewatch at Kitt Peak
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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