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41440 (2000 HZ23)
Classification: Amor [NEO]          SPK-ID: 2041440
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2114665676316656 2.1642e-07  
a 1.575611411488838 2.1469e-08 au
q 1.24242227438001 3.2654e-07 au
i 15.10656494533907 1.4593e-05 deg
node 64.06408041514024 2.8053e-05 deg
peri 200.0581874496997 9.3369e-05 deg
M 27.77646185710164 0.00013567 deg
tp 2458944.762622958185
(2020-Apr-05.26262296)
0.00027114 TDB
period 722.3906283774309
1.98
1.4765e-05
4.042e-08
d
yr
n .4983453354158259 1.0186e-08 deg/d
Q 1.908800548597667 2.6009e-08 au
  Orbit Determination Parameters
   # obs. used (total)      176  
   data-arc span      8209 days (22.48 yr)  
   first obs. used      1998-04-26  
   last obs. used      2020-10-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57741  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-17 08:38:15  

Additional Information
 Earth MOID = .236547 au 
 Jupiter MOID = 3.15899 au 
 T_jup = 4.341 
[ 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 19.8   n/a MPO468261  

41440 (2000 HZ23)          Discovered 2000-Apr-27 by LONEOS at Anderson Mesa
Reference: 20020526/Numbers.arcLast Updated: 2004-04-19

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