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85515 (1997 UT24)
Classification: Main-belt Asteroid          SPK-ID: 2085515
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2425193834485244 4.5146e-08  
a 2.360641682391398 9.4363e-09 au
q 1.788140317034949 1.0891e-07 au
i 2.205660160948455 4.09e-06 deg
node 279.4192077042493 0.00012831 deg
peri 101.0611633738927 0.00012871 deg
M 340.0224652844274 9.6855e-06 deg
tp 2458674.016179091279
(2019-Jul-09.51617909)
3.5817e-05 TDB
period 1324.779300832868
3.63
7.9434e-06
2.175e-08
d
yr
n .2717433762541985 1.6294e-09 deg/d
Q 2.933143047747848 1.1725e-08 au
  Orbit Determination Parameters
   # obs. used (total)      718  
   data-arc span      9639 days (26.39 yr)  
   first obs. used      1993-07-13  
   last obs. used      2019-12-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52238  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 08:02:37  

Additional Information
 Earth MOID = .791668 au 
 Jupiter MOID = 2.53426 au 
 T_jup = 3.510 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456626.5 (2013-Nov-30.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .243801266009812 4.5498e-08  
q 1.784533022592814 1.0991e-07 au
tp 2456022.481052597678
(2012-Apr-04.98105260)
3.1898e-05 TDB
node 279.7051399088599 0.00012862 deg
peri 100.3728176733346 0.00012901 deg
i 2.202525357682039 4.0901e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      718  
   data-arc span      9639 days (26.39 yr)  
   first obs. used      1993-07-13  
   last obs. used      2019-12-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52238  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 08:02:37  

Additional Information
 Jupiter MOID = 2.53426 au 
 T_jup = 3.510 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.07007987437749E-15 -4.991139866669972E-15 -5.329085663406516E-13 -2.490591898331236E-15 -2.031007383849671E-13 -2.410697593788606E-15
q -4.991139866669972E-15 1.208008257632055E-14 1.255404380624408E-12 7.002091261201275E-15 4.845768974182428E-13 5.887056345182279E-15
tp -5.329085663406516E-13 1.255404380624408E-12 1.017461457698066E-9 -1.401154317661387E-12 3.36586408822715E-10 1.074543044334348E-12
node -2.490591898331236E-15 7.002091261201275E-15 -1.401154317661387E-12 1.654420148877267E-8 -1.653245183500526E-8 1.012236376036236E-10
peri -2.031007383849671E-13 4.845768974182428E-13 3.36586408822715E-10 -1.653245183500526E-8 1.664286486129957E-8 -1.007824229051775E-10
i -2.410697593788606E-15 5.887056345182279E-15 1.074543044334348E-12 1.012236376036236E-10 -1.007824229051775E-10 1.67292716561498E-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 16.1   n/a MPO453285  

85515 (1997 UT24)          Discovered 1997-Oct-26 by Munari, U., Tombelli, M. at Cima Ekar
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1997 UT24 = 1993 OB9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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