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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 | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1915866214387307 4.3027e-08  
a 2.264567798151464 1.148e-08 au
q 1.83070690468468 9.5819e-08 au
i 6.948757491978633 4.6923e-06 deg
node 98.72265294136452 4.7872e-05 deg
peri 192.7746187302707 5.0182e-05 deg
M 215.0748085592336 1.8035e-05 deg
tp 2459501.592381591514
(2021-Oct-14.09238159)
6.4435e-05 TDB
period 1244.73361449155
3.41
9.4652e-06
2.591e-08
d
yr
n .2892185089313692 2.1993e-09 deg/d
Q 2.698428691618249 1.368e-08 au
  Orbit Determination Parameters
   # obs. used (total)      358  
   data-arc span      6737 days (18.44 yr)  
   first obs. used      2001-08-23  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60205  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 22:11:30  

Additional Information
 Earth MOID = .815162 au 
 Jupiter MOID = 2.48171 au 
 T_jup = 3.583 
[ 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 16.8   n/a MPO449957  

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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1935-Jan-02 14:07 00:04 David 0.0439064674312065 0.0438926968638604 0.0439202380284173 5.05857373203767 5.05857366401926 2427805.088529242 3.83036187892949 688.769674764381 74.9005324568287 4.83953322407233 12034.9261531178 T 18 CATAB v2.0f-lin.ifort 2020-Feb-24 22:11:47 2020-Feb-24 22:11
1953-Dec-24 12:40 < 00:01 Hebe 0.0290330330866881 0.0290212512131406 0.0290448170714574 6.86113447065864 6.8611344394504 2434736.027662120 0.627062745424754 706.233368301643 54.062785410641 -33.827417470564 45003.0016521605 T 18 CATAB v2.0f-lin.ifort 2020-Feb-24 22:11:47 2020-Feb-24 22:11

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