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146837 (2002 AN41)
Classification: Main-belt Asteroid          SPK-ID: 2146837
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1813526757599172 5.251e-08  
a 3.107998450811624 2.9861e-08 au
q 2.544354615499259 1.5974e-07 au
i 10.43491715675601 7.1826e-06 deg
node 297.7745927800499 4.0056e-05 deg
peri 151.2904757472984 4.8128e-05 deg
M 82.09529327802063 2.7139e-05 deg
tp 2458144.110782613475
(2018-Jan-25.61078261)
0.00014711 TDB
period 2001.334201983259
5.48
2.8843e-05
7.897e-08
d
yr
n .1798800018723766 2.5924e-09 deg/d
Q 3.67164228612399 3.5277e-08 au
  Orbit Determination Parameters
   # obs. used (total)      342  
   data-arc span      6784 days (18.57 yr)  
   first obs. used      2000-10-03  
   last obs. used      2019-05-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5558  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 10:26:22  

Additional Information
 Earth MOID = 1.56657 au 
 Jupiter MOID = 1.54625 au 
 T_jup = 3.169 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456766.5 (2014-Apr-19.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1827186960736386 5.2483e-08  
q 2.539569217554211 1.5985e-07 au
tp 2456142.213129696873
(2012-Aug-02.71312970)
0.000132 TDB
node 297.7960892524361 4.0057e-05 deg
peri 151.2831086482487 4.8017e-05 deg
i 10.43671230379398 7.1831e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      342  
   data-arc span      6784 days (18.57 yr)  
   first obs. used      2000-10-03  
   last obs. used      2019-05-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5558  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 10:26:22  

Additional Information
 Jupiter MOID = 1.54625 au 
 T_jup = 3.169 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.754413848723764E-15 -8.29508869796134E-15 1.369301686885821E-12 -5.509772402461311E-15 2.280637833393159E-13 -2.236561991200219E-15
q -8.29508869796134E-15 2.555107696621222E-14 -2.970295605771606E-12 2.119326081581136E-14 -4.313502637354448E-13 6.118426976986588E-15
tp 1.369301686885821E-12 -2.970295605771606E-12 1.742506545168053E-8 -2.914864703235313E-11 3.568204521921732E-9 -7.240705878557945E-12
node -5.509772402461311E-15 2.119326081581136E-14 -2.914864703235313E-11 1.604580971217493E-9 -1.582478909194799E-9 1.034564052821921E-10
peri 2.280637833393159E-13 -4.313502637354448E-13 3.568204521921732E-9 -1.582478909194799E-9 2.305639125727067E-9 -1.032957725464832E-10
i -2.236561991200219E-15 6.118426976986588E-15 -7.240705878557945E-12 1.034564052821921E-10 -1.032957725464832E-10 5.159711903507474E-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 15.1   n/a MPO469556  
diameter diameter 7.009 km 1.440 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.047   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

146837 (2002 AN41)          Discovered 2002-Jan-09 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

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