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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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457451.5 (2016-Mar-04.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3022525549567598 5.702e-07  
q .6979664633709914 5.7012e-07 au
tp 2457537.629448595189
(2016-May-29.12944859)
3.5374e-05 TDB
node 155.0395761026756 7.5647e-06 deg
peri 54.6250703142239 3.2126e-05 deg
i 33.96184775324093 4.6761e-05 deg

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
 Jupiter MOID = 3.76184 au 
 T_jup = 5.893 
 Nongravitational accels. using nonstandard g(r) = (1 au/ r)^2 
Orbit Covariance (7×7)
  e q tp node peri i A2
e 3.251316528040094E-13 -3.250831690645406E-13 1.897795317246962E-11 -3.294247911020491E-12 -1.714535085223765E-11 1.986138006771878E-11 1.447988705554716E-20
q -3.250831690645406E-13 3.250371440073347E-13 -1.898432932409434E-11 3.293194069544653E-12 1.713586775207512E-11 -1.983486281032646E-11 -1.4458984580106E-20
tp 1.897795317246962E-11 -1.898432932409434E-11 1.251343913193265E-9 -1.777435273400578E-10 -8.787932334104176E-10 1.046135215015251E-9 7.82995447128922E-19
node -3.294247911020491E-12 3.293194069544653E-12 -1.777435273400578E-10 5.7224282606154E-11 1.689279663754789E-10 -2.564255451539394E-10 -1.456702391209119E-19
peri -1.714535085223765E-11 1.713586775207512E-11 -8.787932334104176E-10 1.689279663754789E-10 1.032080975478027E-9 -1.153113904095977E-9 -8.011221663418265E-19
i 1.986138006771878E-11 -1.983486281032646E-11 1.046135215015251E-9 -2.564255451539394E-10 -1.153113904095977E-9 2.186572670468929E-9 1.013067950146072E-18
A2 1.447988705554716E-20 -1.4458984580106E-20 7.82995447128922E-19 -1.456702391209119E-19 -8.011221663418265E-19 1.013067950146072E-18 8.17404538650067E-28

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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