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150307 (1999 TR303)
Classification: Main-belt Asteroid          SPK-ID: 2150307
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .033206396929389 8.9347e-08  
a 3.080125331472797 3.6653e-08 au
q 2.977845467123646 2.5122e-07 au
i 1.9933184674368 5.7063e-06 deg
node 139.2987987779535 0.00014872 deg
peri 82.56105006969379 0.00018975 deg
M 119.5438609686144 0.0001115 deg
tp 2458544.844381495742
(2019-Mar-02.34438150)
0.00061776 TDB
period 1974.472137247625
5.41
3.5243e-05
9.649e-08
d
yr
n .1823272120222638 3.2545e-09 deg/d
Q 3.182405195821949 3.787e-08 au
  Orbit Determination Parameters
   # obs. used (total)      212  
   data-arc span      7675 days (21.01 yr)  
   first obs. used      1999-10-04  
   last obs. used      2020-10-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59898  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:18:00  

Additional Information
 Earth MOID = 1.96843 au 
 Jupiter MOID = 1.78088 au 
 T_jup = 3.226 
[ 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 16.48   n/a E2021B55  

150307 (1999 TR303)          Discovered 1999-Oct-04 by Spacewatch at Kitt Peak
Reference: 20070303/Numbers.arcLast Updated: 2007-03-07

[ show close-approach data ]
Alternate Designations
 1999 TR303 = 1999 UF64 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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