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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1916346535230989 3.6538e-08  
a 2.264238161952701 8.5807e-09 au
q 1.830331666293117 8.4421e-08 au
i 6.948607358401557 3.9831e-06 deg
node 98.72032897734088 4.4585e-05 deg
peri 192.8239140303309 4.6393e-05 deg
M 272.8703125832469 1.4014e-05 deg
tp 2459501.693254212683
(2021-Oct-14.19325421)
4.8819e-05 TDB
period 1244.461844536784
3.41
7.0742e-06
1.937e-08
d
yr
n .2892816694866204 1.6444e-09 deg/d
Q 2.698144657612285 1.0225e-08 au
  Orbit Determination Parameters
   # obs. used (total)      408  
   data-arc span      7191 days (19.69 yr)  
   first obs. used      2001-08-23  
   last obs. used      2021-05-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58759  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:20:50  

Additional Information
 Earth MOID = .812846 au 
 Jupiter MOID = 2.48147 au 
 T_jup = 3.583 
[ 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 16.89   n/a E2021B55  
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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