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175958 (2000 HZ78)
Classification: Main-belt Asteroid          SPK-ID: 2175958
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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .221937997005799 4.3214e-08  
a 2.65622031824872 2.4675e-08 au
q 2.066704101210493 1.2067e-07 au
i 15.22554927940141 4.9985e-06 deg
node 95.08992849334267 2.1892e-05 deg
peri 173.0843711303033 3.0013e-05 deg
M 236.0421164227963 2.6522e-05 deg
tp 2459744.960302791007
(2022-Jun-14.46030279)
0.00012172 TDB
period 1581.228263571361
4.33
2.2034e-05
6.033e-08
d
yr
n .2276711138383679 3.1725e-09 deg/d
Q 3.245736535286946 3.0152e-08 au
  Orbit Determination Parameters
   # obs. used (total)      431  
   data-arc span      7636 days (20.91 yr)  
   first obs. used      2000-04-13  
   last obs. used      2021-03-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5787  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:07:32  

Additional Information
 Earth MOID = 1.04948 au 
 Jupiter MOID = 1.87743 au 
 T_jup = 3.303 
[ 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 15.73   n/a MPCxxxxx  
rotation period rot_per 184.601 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]

175958 (2000 HZ78)          Discovered 2000-Apr-28 by LONEOS at Anderson Mesa
Reference: 20080221/Numbers.arcLast Updated: 2008-02-22

[ show close-approach data ]
Alternate Designations
 2000 HZ78 = 2004 CM108 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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