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193749 (2001 KG)
Classification: Mars-crossing Asteroid          SPK-ID: 2193749
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3086879876143399 3.4877e-08  
a 2.223417965044902 9.0725e-09 au
q 1.537075547789621 7.5595e-08 au
i 7.824869087378697 5.5357e-06 deg
node 55.4843425725978 3.1325e-05 deg
peri 260.3147012094734 3.3014e-05 deg
M 334.6659930308459 1.1284e-05 deg
tp 2459481.718027463601
(2021-Sep-24.21802746)
3.8218e-05 TDB
period 1210.960821328011
3.32
7.4119e-06
2.029e-08
d
yr
n .2972845972053852 1.8196e-09 deg/d
Q 2.909760382300183 1.1873e-08 au
  Orbit Determination Parameters
   # obs. used (total)      563  
   data-arc span      7362 days (20.16 yr)  
   first obs. used      2001-04-18  
   last obs. used      2021-06-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51171  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 09:33:58  

Additional Information
 Earth MOID = .548763 au 
 Jupiter MOID = 2.44513 au 
 T_jup = 3.572 
[ 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 16.41   n/a MPO614063  
rotation period rot_per 17.7462 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.]

193749 (2001 KG)          Discovered 2001-May-17 by LINEAR at Socorro
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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