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10484 Hecht (1983 WM)
Classification: Main-belt Asteroid          SPK-ID: 2010484
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07923182305677622 2.8956e-08  
a 2.320009659600164 7.1337e-09 au
q 2.136191064760712 6.6757e-08 au
i 5.732825804685328 3.3408e-06 deg
node 253.2427953679436 4.0181e-05 deg
peri 189.9205843597768 4.8538e-05 deg
M 104.6983089274648 2.7569e-05 deg
tp 2458625.120732199094
(2019-May-21.62073220)
9.846e-05 TDB
period 1290.723200715199
3.53
5.9532e-06
1.63e-08
d
yr
n .278913402812099 1.2864e-09 deg/d
Q 2.503828254439616 7.6989e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2182  
   data-arc span      24105 days (66.00 yr)  
   first obs. used      1954-07-04  
   last obs. used      2020-07-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49569  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 03:06:05  

Additional Information
 Earth MOID = 1.15231 au 
 Jupiter MOID = 2.66032 au 
 T_jup = 3.567 
[ show covariance matrix ]

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 13.9   n/a MPO347609  
diameter diameter 4.623 km 0.552 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 5.508 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Pravec, P.; Vokrouhlicky, D.; Polishook, D.; Scheeres, D.J.; et al. (2010) Nature 466, 1085-1088. Lightcurve plots as supplemental data, http://www.Nature.com/nature]
[Pravec, P.; Wolf, M.; Sarounova, L. (2011) http://www.asu.cas.cz/~ppravec/neo.htm]
geometric albedo albedo 0.228   0.060 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

10484 Hecht           Discovered 1983 Nov. 28 by E. Bowell at Lowell Observatory's Anderson Mesa Station.
For more than a decade, Martin D. Hecht (b. 1926) has volunteered to help organize the Lowell Observatory's archives.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20050523/MPCPages.arcLast Updated: 2005-07-21

[ show close-approach data ]
Alternate Designations
 1983 WM = 1990 VJ1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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