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146841 (2002 AP49)
Classification: Main-belt Asteroid          SPK-ID: 2146841
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1616898913016421 4.9222e-08  
a 3.092659729256728 2.4466e-08 au
q 2.592607913800241 1.5321e-07 au
i .6485735310389632 4.3969e-06 deg
node 294.5982400120816 0.0004917 deg
peri 275.0179839586019 0.00049188 deg
M 61.6679545799998 1.3251e-05 deg
tp 2458660.206480245925
(2019-Jun-25.70648025)
7.2783e-05 TDB
period 1986.53689660721
5.44
2.3573e-05
6.454e-08
d
yr
n .18121989106512 2.1504e-09 deg/d
Q 3.592711544713215 2.8422e-08 au
  Orbit Determination Parameters
   # obs. used (total)      563  
   data-arc span      7214 days (19.75 yr)  
   first obs. used      1999-10-01  
   last obs. used      2019-07-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55433  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 08:39:50  

Additional Information
 Earth MOID = 1.58754 au 
 Jupiter MOID = 1.37654 au 
 T_jup = 3.204 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456734.5 (2014-Mar-18.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1595763728948743 4.9381e-08  
q 2.59650799639007 1.5291e-07 au
tp 2456673.355063866314
(2014-Jan-15.85506387)
7.5609e-05 TDB
node 294.7317011991905 0.00049227 deg
peri 274.3834024803019 0.00049245 deg
i .6481897377627313 4.3949e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      563  
   data-arc span      7214 days (19.75 yr)  
   first obs. used      1999-10-01  
   last obs. used      2019-07-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55433  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 08:39:50  

Additional Information
 Jupiter MOID = 1.37654 au 
 T_jup = 3.204 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.438442614001776E-15 -7.484072388091173E-15 -5.032412761579503E-13 -9.137229041992683E-15 -8.277936078000004E-14 -6.021414571869542E-16
q -7.484072388091173E-15 2.338256845986678E-14 1.181310918238318E-12 4.04390940351584E-14 1.781530811263155E-13 3.160935095786517E-15
tp -5.032412761579503E-13 1.181310918238318E-12 5.71669508673603E-9 7.186600269738344E-12 1.068102613051376E-9 -1.409556914562367E-12
node -9.137229041992683E-15 4.04390940351584E-14 7.186600269738344E-12 2.42325036573011E-7 -2.423064603264871E-7 1.819047664595597E-10
peri -8.277936078000004E-14 1.781530811263155E-13 1.068102613051376E-9 -2.423064603264871E-7 2.425021129572543E-7 -1.820462448797169E-10
i -6.021414571869542E-16 3.160935095786517E-15 -1.409556914562367E-12 1.819047664595597E-10 -1.820462448797169E-10 1.931537418173327E-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 15.3   n/a MPO475272  
diameter diameter 5.436 km 0.709 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.055   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

146841 (2002 AP49)          Discovered 2002-Jan-09 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

[ show close-approach data ]
Alternate Designations
 2002 AP49 = 1999 TG294 = 1999 TX64 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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