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278480 (2007 UU)
Classification: Main-belt Asteroid          SPK-ID: 2278480
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2445021003197882 7.2268e-08  
a 3.171535051595806 5.0367e-08 au
q 2.396088070242803 2.3956e-07 au
i 26.66831334048517 1.0297e-05 deg
node 49.49250090837352 1.3941e-05 deg
peri 292.4946278506425 2.6014e-05 deg
M 103.8235142618404 2.7031e-05 deg
tp 2458405.528826714746
(2018-Oct-14.02882671)
0.00014894 TDB
period 2063.016493956374
5.65
4.9144e-05
1.345e-07
d
yr
n .1745017555868426 4.1569e-09 deg/d
Q 3.946982032948808 6.2682e-08 au
  Orbit Determination Parameters
   # obs. used (total)      292  
   data-arc span      8471 days (23.19 yr)  
   first obs. used      1996-11-08  
   last obs. used      2020-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50944  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 14:20:03  

Additional Information
 Earth MOID = 1.51646 au 
 Jupiter MOID = 1.96375 au 
 T_jup = 2.994 
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Orbital Elements at Epoch 2457063.5 (2015-Feb-10.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2441635491106962 7.1276e-08  
q 2.400554688956375 2.3471e-07 au
tp 2456333.929976371477
(2013-Feb-10.42997637)
0.00013497 TDB
node 49.86981256343587 1.4038e-05 deg
peri 291.3729515458823 2.5973e-05 deg
i 26.5686920292291 1.0296e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      292  
   data-arc span      8471 days (23.19 yr)  
   first obs. used      1996-11-08  
   last obs. used      2020-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50944  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 14:20:03  

Additional Information
 Jupiter MOID = 1.96375 au 
 T_jup = 2.994 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.080270171385577E-15 -1.650395462858969E-14 5.543334571193835E-12 -1.166995785246285E-14 8.350502140560084E-13 1.788340514667637E-14
q -1.650395462858969E-14 5.509029462685726E-14 -1.687327046883642E-11 5.077887566420935E-14 -2.454403842861523E-12 -6.987340092448075E-14
tp 5.543334571193835E-12 -1.687327046883642E-11 1.82163597372559E-8 -1.451626038785474E-11 2.979811217016386E-9 1.122907093138987E-11
node -1.166995785246285E-14 5.077887566420935E-14 -1.451626038785474E-11 1.970685301741477E-10 -1.769138621240732E-10 -4.327072954225685E-11
peri 8.350502140560084E-13 -2.454403842861523E-12 2.979811217016386E-9 -1.769138621240732E-10 6.746115953037476E-10 3.842056847449029E-11
i 1.788340514667637E-14 -6.987340092448075E-14 1.122907093138987E-11 -4.327072954225685E-11 3.842056847449029E-11 1.060007878755801E-10

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 14.6   n/a MPO455066  
diameter diameter 6.591 km 0.392 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.059   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

278480 (2007 UU)          Discovered 2007-Oct-17 by Lowe, A. at Mayhill
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20

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