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135005 (2001 HC54)
Classification: Inner Main-belt Asteroid          SPK-ID: 2135005
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06067678516665781 3.5431e-08  
a 1.891707909730822 5.8603e-09 au
q 1.776925155294017 6.8726e-08 au
i 20.84297275339702 4.5297e-06 deg
node 185.4256058992558 8.6024e-06 deg
peri 60.40074551127763 3.4698e-05 deg
M 180.5921019746903 3.4838e-05 deg
tp 2459674.107535408875
(2022-Apr-04.60753541)
9.3058e-05 TDB
period 950.3411757443486
2.60
4.416e-06
1.209e-08
d
yr
n .3788113250149688 1.7603e-09 deg/d
Q 2.006490664167626 6.2158e-09 au
  Orbit Determination Parameters
   # obs. used (total)      648  
   data-arc span      10188 days (27.89 yr)  
   first obs. used      1993-03-19  
   last obs. used      2021-02-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55668  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 18:11:05  

Additional Information
 Earth MOID = .813996 au 
 Jupiter MOID = 2.99422 au 
 T_jup = 3.876 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.02   n/a E2021B55  

135005 (2001 HC54)          Discovered 2001-Apr-24 by LONEOS at Anderson Mesa
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

Alternate Designations
 2001 HC54 = 1993 FL85 = 1993 FS57 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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