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187093 (2005 QA3)
Classification: Main-belt Asteroid          SPK-ID: 2187093
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1178511950446467 4.0604e-08  
a 2.432611904234236 1.2103e-08 au
q 2.145925684240397 1.0311e-07 au
i 5.035168675120518 4.705e-06 deg
node 161.0474711778556 5.2602e-05 deg
peri 210.5597854101253 5.6794e-05 deg
M 339.8189684325317 2.2166e-05 deg
tp 2459278.187031931989
(2021-Mar-04.68703193)
8.547e-05 TDB
period 1385.822692066907
3.79
1.0342e-05
2.831e-08
d
yr
n .2597734919920183 1.9387e-09 deg/d
Q 2.719298124228074 1.3529e-08 au
  Orbit Determination Parameters
   # obs. used (total)      389  
   data-arc span      7580 days (20.75 yr)  
   first obs. used      2000-03-03  
   last obs. used      2020-12-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56891  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:53:59  

Additional Information
 Earth MOID = 1.14558 au 
 Jupiter MOID = 2.74475 au 
 T_jup = 3.492 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457762.5 (2017-Jan-09.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1190077724828954 4.0499e-08  
q 2.142907422329042 1.0291e-07 au
tp 2457893.939972511946
(2017-May-20.43997251)
8.2855e-05 TDB
node 161.1216765722503 5.2657e-05 deg
peri 210.9332718372316 5.6772e-05 deg
i 5.032815419902109 4.7021e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      389  
   data-arc span      7580 days (20.75 yr)  
   first obs. used      2000-03-03  
   last obs. used      2020-12-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56891  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:53:59  

Additional Information
 Jupiter MOID = 2.74475 au 
 T_jup = 3.492 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.640200293376416E-15 -4.148765741065639E-15 -6.597910375654425E-13 -1.429801679675683E-14 -1.162123230271574E-13 -2.394536479651998E-15
q -4.148765741065639E-15 1.059126485117465E-14 1.704889917628997E-12 3.739372768234058E-14 2.995144341859937E-13 6.134093633790393E-15
tp -6.597910375654425E-13 1.704889917628997E-12 6.864872771934729E-9 5.376588462051159E-11 1.779249627111686E-9 2.943272620339535E-12
node -1.429801679675683E-14 3.739372768234058E-14 5.376588462051159E-11 2.772722005560919E-9 -2.747186047579034E-9 -6.877776314895746E-11
peri -1.162123230271574E-13 2.995144341859937E-13 1.779249627111686E-9 -2.747186047579034E-9 3.22300977642713E-9 6.924468394219151E-11
i -2.394536479651998E-15 6.134093633790393E-15 2.943272620339535E-12 -6.877776314895746E-11 6.924468394219151E-11 2.210970470464117E-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 16.59   n/a E2021B55  

187093 (2005 QA3)          Discovered 2005-Aug-24 by NEAT at Palomar
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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