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135003 (2001 HQ45)
Classification: Main-belt Asteroid          SPK-ID: 2135003
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2016115988001735 3.4446e-08  
a 2.733306967297442 1.252e-08 au
q 2.182240579608951 9.3379e-08 au
i 11.43983707930727 3.9116e-06 deg
node 128.5721930818231 1.9567e-05 deg
peri 185.2332697904642 2.2999e-05 deg
M 40.03071222369626 1.0163e-05 deg
tp 2459016.963749232150
(2020-Jun-16.46374923)
4.67e-05 TDB
period 1650.55894851938
4.52
1.134e-05
3.105e-08
d
yr
n .2181079326630139 1.4985e-09 deg/d
Q 3.284373354985934 1.5044e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1014  
   data-arc span      7677 days (21.02 yr)  
   first obs. used      2000-02-03  
   last obs. used      2021-02-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53407  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 18:11:04  

Additional Information
 Earth MOID = 1.16645 au 
 Jupiter MOID = 2.01463 au 
 T_jup = 3.295 
[ 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 14.92   n/a E2021B55  
diameter diameter 7.009 km 0.139 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.076   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

135003 (2001 HQ45)          Discovered 2001-Apr-17 by LONEOS at Anderson Mesa
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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