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JPL Small-Body Database Browser
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201662 (2003 UA9)
Classification: Main-belt Asteroid          SPK-ID: 2201662
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .287172267204157 5.3065e-08  
a 2.736720288045237 2.5487e-08 au
q 1.950810118223672 1.4316e-07 au
i 25.95481514158572 7.9569e-06 deg
node 97.44825999739724 1.3771e-05 deg
peri 293.7585121620683 2.0079e-05 deg
M 244.0427353755882 1.7467e-05 deg
tp 2459533.147025041371
(2021-Nov-14.64702504)
8.6085e-05 TDB
period 1653.65171070554
4.53
2.31e-05
6.324e-08
d
yr
n .2177000136542681 3.0411e-09 deg/d
Q 3.522630457866801 3.2806e-08 au
  Orbit Determination Parameters
   # obs. used (total)      314  
   data-arc span      7038 days (19.27 yr)  
   first obs. used      2000-01-02  
   last obs. used      2019-04-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57196  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 12:46:31  

Additional Information
 Earth MOID = 1.08492 au 
 Jupiter MOID = 2.23432 au 
 T_jup = 3.151 
[ 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 15.4   n/a MPO385882  

201662 (2003 UA9)          Discovered 2003-Oct-17 by LINEAR at Socorro
Reference: 20081212/Numbers.arcLast Updated: 2008-12-12

[ hide close-approach data ]
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
1989-Jan-21 14:51 < 00:01 Psych 0.0491658306358171 0.0491628816186923 0.0491687803750393 7.32201921937657 7.32201918576732 2447548.118500846 0.798632325584712 357.550713836276 60.5107959121672 67.6497683313509 112658.707229977 T 12 CATAB v2.0e-lin.ifort 2019-Jul-13 12:46:33 2019-Jul-13 12:46
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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