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24291 (1999 XJ191)
Classification: Main-belt Asteroid          SPK-ID: 2024291
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .102520396173253 4.2075e-08  
a 3.10729608218717 2.2404e-08 au
q 2.788734856813744 1.394e-07 au
i 17.10428724705279 5.2846e-06 deg
node 54.68448388501334 1.6806e-05 deg
peri 25.97617968304809 3.3498e-05 deg
M 337.8889962620219 2.9492e-05 deg
tp 2459519.379190113189
(2021-Oct-31.87919011)
0.00016427 TDB
period 2000.655825713007
5.48
2.1637e-05
5.924e-08
d
yr
n .1799409950343162 1.9461e-09 deg/d
Q 3.425857307560595 2.4701e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1373  
   data-arc span      9987 days (27.34 yr)  
   first obs. used      1993-10-10  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51635  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 18:58:53  

Additional Information
 Earth MOID = 1.81195 au 
 Jupiter MOID = 1.95482 au 
 T_jup = 3.144 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457460.5 (2016-Mar-13.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09987542177978483 4.2147e-08  
q 2.798816670340081 1.3939e-07 au
tp 2457497.274268965768
(2016-Apr-18.77426897)
0.00016515 TDB
node 54.79123489755307 1.6776e-05 deg
peri 22.79846778339806 3.4471e-05 deg
i 17.12187277560632 5.2979e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1373  
   data-arc span      9987 days (27.34 yr)  
   first obs. used      1993-10-10  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51635  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 18:58:53  

Additional Information
 Jupiter MOID = 1.95482 au 
 T_jup = 3.144 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.776375114423946E-15 -5.820359110293089E-15 -2.143906882438511E-12 4.462838578074125E-15 -3.503296235855062E-13 -3.025541009592244E-15
q -5.820359110293089E-15 1.942900538909183E-14 7.350149766477514E-12 -1.742850212900408E-14 1.206104102096781E-12 1.324432768179786E-14
tp -2.143906882438511E-12 7.350149766477514E-12 2.727517666151829E-8 -4.887498951759854E-12 5.005785026712043E-9 1.220925111006869E-11
node 4.462838578074125E-15 -1.742850212900408E-14 -4.887498951759854E-12 2.814351807074739E-10 -2.694848357313641E-10 -3.146921065354507E-11
peri -3.503296235855062E-13 1.206104102096781E-12 5.005785026712043E-9 -2.694848357313641E-10 1.188233761887162E-9 3.226966423692321E-11
i -3.025541009592244E-15 1.324432768179786E-14 1.220925111006869E-11 -3.146921065354507E-11 3.226966423692321E-11 2.806805570981449E-11

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 13.56   n/a MPCxxxxx  
diameter diameter 12.939 km 0.606 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.050   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

24291 (1999 XJ191)          Discovered 1999-Dec-12 by LINEAR at Socorro
Reference: 20010408/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 XJ191 = 1993 UA7 = 1996 LA4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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