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249850 (2001 QC17)
Classification: Mars-crossing Asteroid          SPK-ID: 2249850
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3823166915082994 3.9094e-08  
a 2.682674534014061 1.2807e-08 au
q 1.657043281776237 1.0412e-07 au
i 9.577713500346299 7.1472e-06 deg
node 133.254592381656 3.1686e-05 deg
peri 245.740389953592 3.37e-05 deg
M 77.88740576715712 1.2914e-05 deg
tp 2458653.271675368642
(2019-Jun-18.77167537)
5.5957e-05 TDB
period 1604.908979007218
4.39
1.1493e-05
3.147e-08
d
yr
n .2243117863436048 1.6063e-09 deg/d
Q 3.708305786251886 1.7703e-08 au
  Orbit Determination Parameters
   # obs. used (total)      293  
   data-arc span      6857 days (18.77 yr)  
   first obs. used      2001-06-15  
   last obs. used      2020-03-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57902  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 00:14:48  

Additional Information
 Earth MOID = .685903 au 
 Jupiter MOID = 1.8462 au 
 T_jup = 3.248 
[ 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 16.2   n/a MPO450108  

249850 (2001 QC17)          Discovered 2001-Aug-16 by LINEAR at Socorro
Reference: 20100923/Numbers.arcLast Updated: 2010-09-27

[ 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
1933-Apr-27 00:17 00:02 Jupiter 1.94527897068933 1.9452775821608 1.94528035921897 1.70330859661295 1.4249248301628 2427189.512137612 1.81844133719372 369.185708310362 73.5795968248623 74.4364686828562 1291336.99442151 T 15 CATAB v2.0f-lin.ifort 2020-Nov-12 00:14:49 2020-Nov-12 00:14
1982-May-25 02:17 < 00:01 Jupiter 1.96630076898289 1.96629963082071 1.96630190730123 0.376326584788104 n/a 2445114.594924354 0.912491716176645 1151.20881054829 36.8917062836708 -87.8515555734878 7965913.6305567 F 15 CATAB v2.0f-lin.ifort 2020-Nov-12 00:14:49 2020-Nov-12 00:14
2017-Mar-11 06:17 < 00:01 Jupiter 1.83415709144362 1.83415647774633 1.83415770519732 1.09072673334085 0.515824817917316 2457823.761671721 0.270915148832502 2838.98604369424 617.174693230281 39.2970023719141 2312416.00401268 T 15 CATAB v2.0f-lin.ifort 2020-Nov-12 00:14:49 2020-Nov-12 00:14
2052-Jan-01 23:00 < 00:01 Jupiter 1.95136701130112 1.95136625598515 1.95136776662641 1.58470361362185 1.28185533088244 2470538.458282749 0.78714354220913 438.872594604245 89.7717900567566 71.4694721307178 2318985.83670499 T 15 CATAB v2.0f-lin.ifort 2020-Nov-12 00:14:49 2020-Nov-12 00:14
2101-Jan-30 04:33 00:02 Jupiter 1.9597703958357 1.95976927281307 1.95977151903592 0.195125651900593 n/a 2488463.689856813 1.9760235620847 1735.85964197731 47.2740276782086 -89.0084175143889 6199215.96350572 F 15 CATAB v2.0f-lin.ifort 2020-Nov-12 00:14:49 2020-Nov-12 00:14
2135-Nov-16 10:37 00:03 Jupiter 1.83800723060359 1.83800660674184 1.83800785448657 0.933602778162062 n/a 2501171.942112216 2.6773012966082 945.138007808371 29.3700991033253 -89.3778240093819 9358976.6706652 F 15 CATAB v2.0f-lin.ifort 2020-Nov-12 00:14:49 2020-Nov-12 00:14
2170-Sep-08 06:18 00:04 Jupiter 1.95880925185788 1.95880731853754 1.95881118521228 1.45580526874281 1.1200602139803 2513886.762687765 3.63731204785544 753.72271119579 123.305630457541 63.5343994666892 1392958.82637135 T 15 CATAB v2.0f-lin.ifort 2020-Nov-12 00:14:49 2020-Nov-12 00:14
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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