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91449 (1999 RQ24)
Classification: Main-belt Asteroid          SPK-ID: 2091449
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 .07815673896600644 4.1568e-08  
a 2.964848667156752 2.2669e-08 au
q 2.73312576380407 1.2533e-07 au
i 9.79133426702726 8.975e-06 deg
node 6.082168243929768 3.0571e-05 deg
peri 83.68356545248909 6.6878e-05 deg
M 298.9977816804169 6.0374e-05 deg
tp 2459316.469636549272
(2021-Apr-11.96963655)
0.00031345 TDB
period 1864.671028220985
5.11
2.1385e-05
5.855e-08
d
yr
n .1930635455539109 2.2142e-09 deg/d
Q 3.196571570509435 2.444e-08 au
  Orbit Determination Parameters
   # obs. used (total)      672  
   data-arc span      7351 days (20.13 yr)  
   first obs. used      1999-09-07  
   last obs. used      2019-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52754  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 10:55:25  

Additional Information
 Earth MOID = 1.77141 au 
 Jupiter MOID = 1.97334 au 
 T_jup = 3.238 
[ 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 14.4   n/a MPO412707  

91449 (1999 RQ24)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ 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
2080-Dec-03 15:07 00:02 Jupiter 1.98682406569321 1.98682325440417 1.98682487698224 3.93866672986938 3.82889748243257 2481102.130116453 2.25231793541367 75.114964020309 36.9509902017225 -83.6012876401095 1670586.76970231 T 15 CATAB v2.0f-lin.ifort 2019-Nov-07 10:55:43 2019-Nov-07 10:55
2116-Oct-29 17:06 00:03 Jupiter 1.98249602928519 1.98249525457914 1.98249680399136 4.16901483297054 4.06524090068859 2494215.212263348 3.42724025322509 142.435357361448 34.5361627036177 -85.717482807632 1638292.31306962 T 15 CATAB v2.0f-lin.ifort 2019-Nov-07 10:55:43 2019-Nov-07 10:55
2152-Sep-24 01:56 00:05 Jupiter 1.98411880243177 1.9841179974888 1.98411960737575 4.35709767848016 4.25799224555009 2507328.580453952 4.62165661580777 252.959440515925 34.2815721363443 88.1764284373226 1705364.81457891 T 15 CATAB v2.0f-lin.ifort 2019-Nov-07 10:55:43 2019-Nov-07 10:55

Alternate Designations
 1999 RQ24 = 1999 ST13 = 2000 XY9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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