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(2005 QQ87)
Classification: Apollo [NEO]          SPK-ID: 3289173
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | 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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3018038663121131 5.7192e-07  
a 1.000745704037029 5.8888e-09 au
q .6987167813634156 5.6976e-07 au
i 33.967405471937 4.6728e-05 deg
node 155.019565074429 7.5255e-06 deg
peri 54.71541996188757 3.2514e-05 deg
M .5940743532794733 3.9041e-05 deg
tp 2458999.896576344161
(2020-May-30.39657634)
3.9652e-05 TDB
period 365.6655347985855
1.00
3.2276e-06
8.837e-09
d
yr
n .9845062379157331 8.6899e-09 deg/d
Q 1.302774626710642 7.6661e-09 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A2 [EST] -9.923387826323036E-14 2.859E-14
ALN [SET] 1. n/a
NK [SET] 0. n/a
NM [SET] 2. n/a
R0 [SET] 1. n/a
  Orbit Determination Parameters
   # obs. used (total)      82  
   data-arc span      5110 days (13.99 yr)  
   first obs. used      2005-08-31  
   last obs. used      2019-08-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .36454  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-03 15:21:40  

Additional Information
 Earth MOID = .0795342 au 
 Jupiter MOID = 3.76184 au 
 T_jup = 5.893 
 Nongravitational accels. using nonstandard g(r) = (1 au/ r)^2 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 22.7   n/a E2016R01  

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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