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52381 (1993 HA)
Classification: Amor [NEO]          SPK-ID: 2052381
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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 99 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1441096835693323 2.6655e-08  
a 1.278229728531717 1.4044e-09 au
q 1.094024446824098 3.4028e-08 au
i 7.725001748210609 3.2549e-06 deg
node 183.2816506657367 1.7477e-05 deg
peri 263.8294843056429 2.0509e-05 deg
M 115.2474051780462 8.9405e-06 deg
tp 2458431.517997255162
(2018-Nov-09.01799726)
1.3085e-05 TDB
period 527.8515459342409
1.45
8.6996e-07
2.382e-09
d
yr
n .6820099377805903 1.124e-09 deg/d
Q 1.462435010239337 1.6068e-09 au
  Orbit Determination Parameters
   # obs. used (total)      369  
   data-arc span      9540 days (26.12 yr)  
   first obs. used      1993-04-17  
   last obs. used      2019-05-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48081  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jun-01 06:34:42  

Additional Information
 Earth MOID = .168286 au 
 Jupiter MOID = 3.67855 au 
 T_jup = 5.043 
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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 20.0   n/a MPO240602  
rotation period rot_per 4.107 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Monteiro, F.; Silva, J.S.; Lazzaro, D.; Arcoverde, P.; et al (2017) Minor Planet Bull. 44, 20-22.]
[Perna, D.; Popescu, M.; Monteiro, F.; Lantz, C.; et al. (2017) Astron. Astrophys. 597, A57.]

52381 (1993 HA)          Discovered 1993-Apr-17 by Spacewatch at Kitt Peak
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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