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85506 (1997 UU4)
Classification: Main-belt Asteroid          SPK-ID: 2085506
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2834586189660506 4.8803e-08  
a 2.364997163724917 9.508e-09 au
q 1.694618333836825 1.154e-07 au
i 6.317823879966904 4.4358e-06 deg
node 45.04895412249206 4.1878e-05 deg
peri 306.9887349635533 4.2225e-05 deg
M 105.7074011757754 7.0195e-06 deg
tp 2458610.425771457849
(2019-May-06.92577146)
2.4769e-05 TDB
period 1328.447400212459
3.64
8.0111e-06
2.193e-08
d
yr
n .2709930404037262 1.6342e-09 deg/d
Q 3.035375993613009 1.2203e-08 au
  Orbit Determination Parameters
   # obs. used (total)      783  
   data-arc span      8688 days (23.79 yr)  
   first obs. used      1996-04-19  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5008  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 20:33:28  

Additional Information
 Earth MOID = .699022 au 
 Jupiter MOID = 2.42173 au 
 T_jup = 3.485 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456614.5 (2013-Nov-18.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2852575208414218 4.8936e-08  
q 1.689068208007021 1.1582e-07 au
tp 2455955.022824982325
(2012-Jan-28.52282498)
2.2318e-05 TDB
node 45.07306822287833 4.1891e-05 deg
peri 306.9347234583272 4.2225e-05 deg
i 6.321039901329432 4.4391e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      783  
   data-arc span      8688 days (23.79 yr)  
   first obs. used      1996-04-19  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5008  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 20:33:28  

Additional Information
 Jupiter MOID = 2.42173 au 
 T_jup = 3.485 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.394770065978924E-15 -5.658189272138606E-15 3.999942544905231E-15 -1.681449781849888E-14 -4.061707523881329E-14 -2.548173326557873E-15
q -5.658189272138606E-15 1.341439355921059E-14 -4.291512507671151E-14 3.900977415586743E-14 9.424916349929514E-14 6.083843374412004E-15
tp 3.999942544905231E-15 -4.291512507671151E-14 4.98104182580739E-10 4.577949373993881E-12 1.372177888135235E-10 -6.880136190871362E-13
node -1.681449781849888E-14 3.900977415586743E-14 4.577949373993881E-12 1.754884798814484E-9 -1.742375851963411E-9 -5.679693910984971E-11
peri -4.061707523881329E-14 9.424916349929514E-14 1.372177888135235E-10 -1.742375851963411E-9 1.78295997772186E-9 5.634803185464946E-11
i -2.548173326557873E-15 6.083843374412004E-15 -6.880136190871362E-13 -5.679693910984971E-11 5.634803185464946E-11 1.970593235355057E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.6   n/a MPO449531  

85506 (1997 UU4)          Discovered 1997-Oct-19 by BAO Schmidt CCD Asteroid Program at Xinglong
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

Alternate Designations
 1997 UU4 = 1996 HH5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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