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344732 (2003 UO138)
Classification: Main-belt Asteroid          SPK-ID: 2344732
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1417414806874142 4.923e-08  
a 2.752158531762376 2.5387e-08 au
q 2.362063506383877 1.4092e-07 au
i 5.801838047910715 5.3488e-06 deg
node 82.76673898267619 5.4862e-05 deg
peri 283.1734108698207 5.8365e-05 deg
M 252.8404645813802 2.1516e-05 deg
tp 2459496.905881468004
(2021-Oct-09.40588147)
0.00010357 TDB
period 1667.664166612558
4.57
2.3074e-05
6.317e-08
d
yr
n .2158708013324109 2.9869e-09 deg/d
Q 3.142253557140875 2.8985e-08 au
  Orbit Determination Parameters
   # obs. used (total)      217  
   data-arc span      6948 days (19.02 yr)  
   first obs. used      2001-04-16  
   last obs. used      2020-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58743  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 22:27:19  

Additional Information
 Earth MOID = 1.36902 au 
 Jupiter MOID = 2.33883 au 
 T_jup = 3.323 
[ 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 16.1   n/a MPO434169  

344732 (2003 UO138)          Discovered 2003-Oct-21 by LINEAR at Socorro
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

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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
2162-May-08 06:42 00:04 Hygie 0.0442830628478314 0.0442432184228985 0.0443229073865607 4.3340055838333 4.33400538251868 2510841.779252205 3.81395575449178 1986.50272355219 75.1538841357532 3.08388066885827 5783.61525985192 T 12 CATAB v2.0f-lin.ifort 2020-May-21 22:27:29 2020-May-21 22:27
2171-May-31 09:02 00:11 Iris 0.0481384482739357 0.0481072869249213 0.0481696187702 3.54959738581581 3.54959735217226 2514151.876622473 11.1618525979729 1872.56660178372 45.5058786552525 -33.975765630408 88432.944300061 T 12 CATAB v2.0f-lin.ifort 2020-May-21 22:27:29 2020-May-21 22:27

Alternate Designations
 2003 UO138 = 2011 KR41 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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