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243401 (2009 AY15)
Classification: Main-belt Asteroid          SPK-ID: 2243401
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09430440997319128 7.6348e-08  
a 2.771082225008755 2.9802e-08 au
q 2.509756950792107 1.9944e-07 au
i 10.33055372018046 4.8518e-06 deg
node 86.55371029737745 3.7384e-05 deg
peri 104.5473555531208 4.6692e-05 deg
M 95.45102672910123 2.634e-05 deg
tp 2458553.764310666783
(2019-Mar-11.26431067)
0.00012429 TDB
period 1684.893852597245
4.61
2.718e-05
7.441e-08
d
yr
n .2136633114573147 3.4468e-09 deg/d
Q 3.032407499225404 3.2612e-08 au
  Orbit Determination Parameters
   # obs. used (total)      274  
   data-arc span      6113 days (16.74 yr)  
   first obs. used      2003-12-14  
   last obs. used      2020-09-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54425  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 00:56:48  

Additional Information
 Earth MOID = 1.53271 au 
 Jupiter MOID = 2.00576 au 
 T_jup = 3.307 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457795.5 (2017-Feb-11.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09308998997407172 7.654e-08  
q 2.511776350666575 1.9946e-07 au
tp 2458551.103979206646
(2019-Mar-08.60397921)
0.00012533 TDB
node 86.56365034901674 3.7377e-05 deg
peri 103.933765967905 4.6818e-05 deg
i 10.33251815963758 4.8533e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      274  
   data-arc span      6113 days (16.74 yr)  
   first obs. used      2003-12-14  
   last obs. used      2020-09-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54425  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 00:56:48  

Additional Information
 Jupiter MOID = 2.00576 au 
 T_jup = 3.307 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.858376492802963E-15 -1.516417084490291E-14 -2.526352190632191E-12 -6.899929087599516E-14 -7.035629895127482E-13 -5.286463022945682E-15
q -1.516417084490291E-14 3.978473472895069E-14 6.492568314770023E-12 1.782665028470442E-13 1.759162923394952E-12 1.485993428567672E-14
tp -2.526352190632191E-12 6.492568314770023E-12 1.570879777453883E-8 4.423618325135002E-11 3.580431048616082E-9 -3.984575130451715E-13
node -6.899929087599516E-14 1.782665028470442E-13 4.423618325135002E-11 1.397057469556706E-9 -1.362345574429958E-9 -1.250680420692079E-11
peri -7.035629895127482E-13 1.759162923394952E-12 3.580431048616082E-9 -1.362345574429958E-9 2.19193071936832E-9 1.226980256954962E-11
i -5.286463022945682E-15 1.485993428567672E-14 -3.984575130451715E-13 -1.250680420692079E-11 1.226980256954962E-11 2.35547501207333E-11

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 15.7   n/a MPO302963  

243401 (2009 AY15)          Discovered 2009-Jan-15 by Farra d'Isonzo at Farra d'Isonzo
Reference: 20100626/Numbers.arcLast Updated: 2010-06-28

[ show close-approach data ]
Alternate Designations
 2009 AY15 = 2008 YR173 = 2010 GJ116 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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