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160796 (2000 UL20)
Classification: Main-belt Asteroid          SPK-ID: 2160796
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1510553031179111 3.8066e-08  
a 2.368224202657586 1.1899e-08 au
q 2.010491377873971 8.8018e-08 au
i 1.257136442322068 4.7609e-06 deg
node 160.8705856363558 0.0001819 deg
peri 295.283521661512 0.00018274 deg
M 88.14174659086275 1.6932e-05 deg
tp 2458674.579407639327
(2019-Jul-10.07940764)
6.1642e-05 TDB
period 1331.167327492072
3.64
1.0032e-05
2.747e-08
d
yr
n .270439329876164 2.0382e-09 deg/d
Q 2.725957027441201 1.3696e-08 au
  Orbit Determination Parameters
   # obs. used (total)      500  
   data-arc span      8092 days (22.15 yr)  
   first obs. used      1998-03-03  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58671  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 01:36:06  

Additional Information
 Earth MOID = 1.02768 au 
 Jupiter MOID = 2.43228 au 
 T_jup = 3.531 
[ 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 16.8   n/a MPO469699  

160796 (2000 UL20)          Discovered 2000-Oct-24 by LINEAR at Socorro
Reference: 20070828/Numbers.arcLast Updated: 2007-08-30

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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
2042-Jan-08 11:58 < 00:01 Pallas 0.048973967694758 0.0489729758656114 0.0489749596790219 12.0109969234233 12.0109967609184 2466892.998413805 0.526948132449248 443.189549046748 46.9769360980138 87.9943221921411 155799.22926757 T 18 CATAB v2.0f-lin.ifort 2020-May-21 01:36:26 2020-May-21 01:36
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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