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46270 (2001 HW62)
Classification: Outer Main-belt Asteroid          SPK-ID: 2046270
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1292980273169943 5.3713e-08  
a 3.221391611700613 2.6691e-08 au
q 2.804872031092211 1.7412e-07 au
i 1.906810441906535 4.8687e-06 deg
node 68.68758623697838 0.00017648 deg
peri 291.8984354885727 0.00017744 deg
M 347.5109332703076 1.9699e-05 deg
tp 2459073.764096359192
(2020-Aug-12.26409636)
0.00011586 TDB
period 2111.853132036143
5.78
2.6247e-05
7.186e-08
d
yr
n .1704663996463173 2.1186e-09 deg/d
Q 3.637911192309015 3.0143e-08 au
  Orbit Determination Parameters
   # obs. used (total)      889  
   data-arc span      8893 days (24.35 yr)  
   first obs. used      1994-02-07  
   last obs. used      2018-06-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55736  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-03 23:50:37  

Additional Information
 Earth MOID = 1.80248 au 
 Jupiter MOID = 1.8125 au 
 T_jup = 3.175 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456140.5 (2012-Aug-01.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1368235796801122 5.4485e-08  
q 2.778944227764879 1.788e-07 au
tp 2456955.313149644571
(2014-Oct-24.81314964)
0.00010043 TDB
node 68.70847184492759 0.0001763 deg
peri 291.1300791696789 0.00017711 deg
i 1.912618125049907 4.8715e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      889  
   data-arc span      8893 days (24.35 yr)  
   first obs. used      1994-02-07  
   last obs. used      2018-06-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55736  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-03 23:50:37  

Additional Information
 Jupiter MOID = 1.8125 au 
 T_jup = 3.175 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.968637199241564E-15 -9.664161568122035E-15 -3.427536817776249E-13 -5.950442381378897E-15 -9.620082917849879E-14 -3.272026586889755E-16
q -9.664161568122035E-15 3.197051765396016E-14 1.446993322331157E-12 1.635026919777357E-14 3.294736940143255E-13 1.27864099329542E-15
tp -3.427536817776249E-13 1.446993322331157E-12 1.008703207377145E-8 1.294289356239066E-11 1.748686210952943E-9 -1.209671075788935E-13
node -5.950442381378897E-15 1.635026919777357E-14 1.294289356239066E-11 3.108045169961116E-8 -3.106042516784227E-8 -1.261646442034544E-10
peri -9.620082917849879E-14 3.294736940143255E-13 1.748686210952943E-9 -3.106042516784227E-8 3.136661174672028E-8 1.260606031998599E-10
i -3.272026586889755E-16 1.27864099329542E-15 -1.209671075788935E-13 -1.261646442034544E-10 1.260606031998599E-10 2.373197424925778E-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 14.1   n/a MPO474335  
diameter diameter 7.323 km 0.183 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.069   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46270 (2001 HW62)          Discovered 2001-Apr-26 by LONEOS at Anderson Mesa
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2001 HW62 = 1994 CU9 = 2000 EQ172 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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