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442695 (2012 UC85)
Classification: Main-belt Asteroid          SPK-ID: 2442695
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1943628941045299 4.8711e-08  
a 2.196451671533422 1.6694e-08 au
q 1.769542967893454 1.012e-07 au
i 3.890872276604402 1.2024e-05 deg
node 327.6481049947976 7.9562e-05 deg
peri 76.16112326623889 9.1907e-05 deg
M 101.9302062204899 4.1294e-05 deg
tp 2458663.847916301839
(2019-Jun-29.34791630)
0.00013429 TDB
period 1188.997399545881
3.26
1.3555e-05
3.711e-08
d
yr
n .3027761037471541 3.4518e-09 deg/d
Q 2.62336037517339 1.9939e-08 au
  Orbit Determination Parameters
   # obs. used (total)      113  
   data-arc span      7420 days (20.31 yr)  
   first obs. used      1999-10-10  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59566  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 10:42:43  

Additional Information
 Earth MOID = .783221 au 
 Jupiter MOID = 2.78626 au 
 T_jup = 3.641 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457757.5 (2017-Jan-04.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1937494549213733 4.8633e-08  
q 1.771151799786798 1.0108e-07 au
tp 2457473.258592040353
(2016-Mar-25.75859204)
0.00012815 TDB
node 327.7787199442037 7.9503e-05 deg
peri 75.742162729844 9.1979e-05 deg
i 3.8934351318701 1.2025e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      113  
   data-arc span      7420 days (20.31 yr)  
   first obs. used      1999-10-10  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59566  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 10:42:43  

Additional Information
 Jupiter MOID = 2.78626 au 
 T_jup = 3.641 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.365205768342038E-15 -4.880731319924911E-15 1.518628510680894E-13 3.435409608821854E-14 -1.166833818245847E-14 -8.841198142700096E-15
q -4.880731319924911E-15 1.021711578545966E-14 5.076474012768636E-13 -9.015388107139135E-14 3.234450254811652E-13 1.800711420159578E-14
tp 1.518628510680894E-13 5.076474012768636E-13 1.642210684329025E-8 -4.271120418353087E-10 5.958634757521581E-9 1.813088702308607E-11
node 3.435409608821854E-14 -9.015388107139135E-14 -4.271120418353087E-10 6.32072548874356E-9 -6.447705518197889E-9 -3.645648759527347E-10
peri -1.166833818245847E-14 3.234450254811652E-13 5.958634757521581E-9 -6.447705518197889E-9 8.46021224441286E-9 3.696981648249694E-10
i -8.841198142700096E-15 1.800711420159578E-14 1.813088702308607E-11 -3.645648759527347E-10 3.696981648249694E-10 1.446007802681878E-10

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 18.3   n/a MPO349191  

442695 (2012 UC85)          Discovered 1999-Oct-10 by LINEAR at Socorro
Reference: Last Updated: 2015-09-02

Alternate Designations
 2012 UC85 = 1999 TK167 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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