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442131 (2010 UB33)
Classification: Main-belt Asteroid          SPK-ID: 2442131
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1907933857141683 1.2397e-07  
a 3.131177262811518 8.8349e-08 au
q 2.533769351568486 4.3609e-07 au
i 7.05881436376602 6.1641e-06 deg
node 254.7035700454726 7.6927e-05 deg
peri 106.6240232114836 7.9384e-05 deg
M 289.400070832689 2.7706e-05 deg
tp 2459397.382247541848
(2021-Jul-01.88224754)
0.00016963 TDB
period 2023.764199202913
5.54
8.5653e-05
2.345e-07
d
yr
n .1778863368280707 7.5288e-09 deg/d
Q 3.728585174054551 1.052e-07 au
  Orbit Determination Parameters
   # obs. used (total)      130  
   data-arc span      4926 days (13.49 yr)  
   first obs. used      2005-11-30  
   last obs. used      2019-05-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53601  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 10:40:00  

Additional Information
 Earth MOID = 1.54265 au 
 Jupiter MOID = 1.84109 au 
 T_jup = 3.173 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457297.5 (2015-Oct-02.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1923014935069267 1.2379e-07  
q 2.525784765873062 4.35e-07 au
tp 2457381.738692900361
(2015-Dec-25.23869290)
0.00010971 TDB
node 254.7134841167311 7.6943e-05 deg
peri 107.361019371248 7.9417e-05 deg
i 7.061127875069291 6.1647e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      130  
   data-arc span      4926 days (13.49 yr)  
   first obs. used      2005-11-30  
   last obs. used      2019-05-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53601  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 10:40:00  

Additional Information
 Jupiter MOID = 1.84109 au 
 T_jup = 3.173 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.532482745739532E-14 -5.339060548121448E-14 -6.661330471001798E-12 2.489593639101099E-13 -8.58387660468972E-13 -4.406009220720481E-14
q -5.339060548121448E-14 1.892272021235425E-13 2.486586250336109E-11 -8.693471841589604E-13 3.26124870053108E-12 1.587147658081703E-13
tp -6.661330471001798E-12 2.486586250336109E-11 1.203654410572194E-8 -1.347666299977832E-10 2.288588494822856E-9 2.901385274271822E-11
node 2.489593639101099E-13 -8.693471841589604E-13 -1.347666299977832E-10 5.920213060930573E-9 -5.891864032581097E-9 6.045127486858238E-11
peri -8.58387660468972E-13 3.26124870053108E-12 2.288588494822856E-9 -5.891864032581097E-9 6.307062558198399E-9 -5.616614097468945E-11
i -4.406009220720481E-14 1.587147658081703E-13 2.901385274271822E-11 6.045127486858238E-11 -5.616614097468945E-11 3.800396894662904E-11

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 16.4   n/a MPO477086  

442131 (2010 UB33)          Discovered 2005-Nov-30 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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