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(2005 QQ87)
Classification: Apollo [NEO]          SPK-ID: 3289173
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3017423845025394 5.723e-07  
a 1.000841593794288 6.2316e-09 au
q .698845264773478 5.7007e-07 au
i 33.9697530687757 4.6723e-05 deg
node 155.0167871383467 7.5141e-06 deg
peri 54.73340366908931 3.2547e-05 deg
M 197.4703522993774 4.0291e-05 deg
tp 2459365.611201913154
(2021-May-31.11120191)
4.2006e-05 TDB
period 365.7180922352277
1.00
3.4156e-06
9.351e-09
d
yr
n .9843647542830618 9.1935e-09 deg/d
Q 1.302837922815099 8.1119e-09 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A2 [EST] -9.822439793664765E-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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .37093  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 22:47:04  

Additional Information
 Earth MOID = .0779347 au 
 Jupiter MOID = 3.76082 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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