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193910 (2001 QY249)
Classification: Main-belt Asteroid          SPK-ID: 2193910
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1916717838361067 3.5821e-08  
a 2.264027134715397 8.1556e-09 au
q 1.830077015151147 8.3204e-08 au
i 6.948653975626416 3.8545e-06 deg
node 98.71906993313014 4.1639e-05 deg
peri 192.8624344609147 4.3474e-05 deg
M 329.5441859953477 1.3359e-05 deg
tp 2459501.766111158194
(2021-Oct-14.26611116)
4.6258e-05 TDB
period 1244.28787262626
3.41
6.7233e-06
1.841e-08
d
yr
n .2893221158220925 1.5633e-09 deg/d
Q 2.697977254279646 9.7187e-09 au
  Orbit Determination Parameters
   # obs. used (total)      488  
   data-arc span      7233 days (19.80 yr)  
   first obs. used      2001-08-23  
   last obs. used      2021-06-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55803  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 09:34:03  

Additional Information
 Earth MOID = .81419 au 
 Jupiter MOID = 2.48075 au 
 T_jup = 3.584 
[ 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 16.90   n/a MPO614063  
rotation period rot_per 93.3293 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.]

193910 (2001 QY249)          Discovered 2001-Aug-24 by NEAT at Haleakala
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17

Alternate Designations
 2001 QY249 = 2004 JB1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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