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46287 (2001 KJ41)
Classification: Main-belt Asteroid          SPK-ID: 2046287
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1031492839107968 4.3751e-08  
a 3.106721313188699 1.8876e-08 au
q 2.786265234422875 1.3727e-07 au
i 6.806971708524572 4.8316e-06 deg
node 217.8181489982916 3.3685e-05 deg
peri 174.5402522380386 4.0101e-05 deg
M 36.76913952297763 1.9852e-05 deg
tp 2458796.216712662910
(2019-Nov-08.71671266)
0.00011045 TDB
period 2000.100747405171
5.48
1.8228e-05
4.991e-08
d
yr
n .1799909331902634 1.6404e-09 deg/d
Q 3.427177391954524 2.0823e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1169  
   data-arc span      8161 days (22.34 yr)  
   first obs. used      1997-09-23  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45278  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 08:24:48  

Additional Information
 Earth MOID = 1.79238 au 
 Jupiter MOID = 1.99416 au 
 T_jup = 3.201 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456971.5 (2014-Nov-10.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09935725750858654 4.3146e-08  
q 2.798211619432546 1.3425e-07 au
tp 2456780.844745064883
(2014-May-03.34474507)
0.00012096 TDB
node 218.0696668933936 3.3905e-05 deg
peri 172.0035364972047 4.0946e-05 deg
i 6.778911885048075 4.8195e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1169  
   data-arc span      8161 days (22.34 yr)  
   first obs. used      1997-09-23  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45278  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 08:24:48  

Additional Information
 Jupiter MOID = 1.99416 au 
 T_jup = 3.201 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.861598692922948E-15 -5.746186824670783E-15 -4.84205419333164E-13 4.556743115641616E-15 -8.246923300437394E-14 -1.508542993833648E-15
q -5.746186824670783E-15 1.802356795269018E-14 1.051655381544578E-12 -1.368408213753455E-14 1.76987771320029E-13 5.664640235335926E-15
tp -4.84205419333164E-13 1.051655381544578E-12 1.46313810603098E-8 1.967088151174529E-11 2.793124019876656E-9 4.457580413377221E-12
node 4.556743115641616E-15 -1.368408213753455E-14 1.967088151174529E-11 1.149537703246517E-9 -1.137824988950632E-9 -2.38844613378672E-11
peri -8.246923300437394E-14 1.76987771320029E-13 2.793124019876656E-9 -1.137824988950632E-9 1.676591937238366E-9 2.449361732220274E-11
i -1.508542993833648E-15 5.664640235335926E-15 4.457580413377221E-12 -2.38844613378672E-11 2.449361732220274E-11 2.322804150581513E-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 14.0   n/a MPO502464  
diameter diameter 9.505 km 0.158 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.054   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46287 (2001 KJ41)          Discovered 2001-May-23 by LINEAR at Socorro
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

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