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359287 (2009 HO28)
Classification: Main-belt Asteroid          SPK-ID: 2359287
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2610715574715234 6.6267e-08  
a 2.650842039935464 3.3538e-08 au
q 1.958782579958522 1.7576e-07 au
i 13.09712432990534 8.2814e-06 deg
node 31.52094711418649 2.9696e-05 deg
peri 259.2262437556815 4.0048e-05 deg
M 206.7211704980163 1.6544e-05 deg
tp 2459871.702979436295
(2022-Oct-19.20297944)
7.1262e-05 TDB
period 1576.428221576021
4.32
2.9917e-05
8.191e-08
d
yr
n .2283643461039369 4.3338e-09 deg/d
Q 3.342901499912406 4.2294e-08 au
  Orbit Determination Parameters
   # obs. used (total)      160  
   data-arc span      6627 days (18.14 yr)  
   first obs. used      2001-10-10  
   last obs. used      2019-12-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67549  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 16:22:30  

Additional Information
 Earth MOID = .991621 au 
 Jupiter MOID = 2.03496 au 
 T_jup = 3.305 
[ 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 16.4   n/a MPO455593  
rotation period rot_per 16.7957 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.]

359287 (2009 HO28)          Discovered 2009-Apr-02 by Spacewatch at Kitt Peak
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

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