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160964 (2002 AY201)
Classification: Main-belt Asteroid          SPK-ID: 2160964
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1138725226608798 4.4561e-08  
a 2.280569885187203 1.352e-08 au
q 2.020875639256503 1.0661e-07 au
i 3.887277888318351 4.8742e-06 deg
node 205.2396870476437 5.2368e-05 deg
peri 189.4491989797937 5.6748e-05 deg
M 253.9238973197039 2.6325e-05 deg
tp 2459571.162421756271
(2021-Dec-22.66242176)
9.4575e-05 TDB
period 1257.950362622478
3.44
1.1186e-05
3.063e-08
d
yr
n .2861798133668008 2.5448e-09 deg/d
Q 2.540264131117902 1.5059e-08 au
  Orbit Determination Parameters
   # obs. used (total)      453  
   data-arc span      6742 days (18.46 yr)  
   first obs. used      2002-01-08  
   last obs. used      2020-06-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51536  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:03:32  

Additional Information
 Earth MOID = 1.02616 au 
 Jupiter MOID = 2.84723 au 
 T_jup = 3.594 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457248.5 (2015-Aug-14.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1131023064491331 4.44e-08  
q 2.022244602168125 1.0601e-07 au
tp 2457055.786110304834
(2015-Feb-02.28611030)
7.9006e-05 TDB
node 205.297458064575 5.243e-05 deg
peri 189.4327901815697 5.6886e-05 deg
i 3.884227552549086 4.8726e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      453  
   data-arc span      6742 days (18.46 yr)  
   first obs. used      2002-01-08  
   last obs. used      2020-06-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51536  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:03:32  

Additional Information
 Jupiter MOID = 2.84723 au 
 T_jup = 3.594 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.971381270467176E-15 -4.680720071090562E-15 -1.433982048194811E-12 -7.792814916367785E-15 -4.037669457781687E-13 -1.295602268921964E-15
q -4.680720071090562E-15 1.123915565826947E-14 3.895162951318058E-12 1.882216902622126E-14 1.096170011573134E-12 3.224825678284357E-15
tp -1.433982048194811E-12 3.895162951318058E-12 6.241939946479958E-9 1.828212590469843E-11 1.75284908813304E-9 7.07224576223668E-13
node -7.792814916367785E-15 1.882216902622126E-14 1.828212590469843E-11 2.748893570414612E-9 -2.736921542802184E-9 -3.68182521339479E-11
peri -4.037669457781687E-13 1.096170011573134E-12 1.75284908813304E-9 -2.736921542802184E-9 3.236065028560386E-9 3.695455694088486E-11
i -1.295602268921964E-15 3.224825678284357E-15 7.07224576223668E-13 -3.68182521339479E-11 3.695455694088486E-11 2.374222990173096E-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 16.57   n/a E2021B55  

160964 (2002 AY201)          Discovered 2002-Jan-08 by NEAT at Palomar
Reference: 20070828/Numbers.arcLast Updated: 2007-08-30

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