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437845 (1999 RA24)
Classification: Main-belt Asteroid          SPK-ID: 2437845
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3065540021660814 7.3894e-08  
a 2.584518155859351 2.3798e-08 au
q 1.792223771509767 1.8049e-07 au
i 33.35736907505498 6.0907e-06 deg
node 168.5802059013883 1.7282e-05 deg
peri 218.6155269442023 3.0498e-05 deg
M 340.3464599659748 3.0598e-05 deg
tp 2459083.352591092049
(2020-Aug-21.85259109)
0.00012999 TDB
period 1517.636656882158
4.16
2.0961e-05
5.739e-08
d
yr
n .2372109281674747 3.2763e-09 deg/d
Q 3.376812540208936 3.1093e-08 au
  Orbit Determination Parameters
   # obs. used (total)      196  
   data-arc span      7287 days (19.95 yr)  
   first obs. used      1999-08-22  
   last obs. used      2019-08-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5477  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 10:15:15  

Additional Information
 Earth MOID = .847873 au 
 Jupiter MOID = 2.25846 au 
 T_jup = 3.134 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457758.5 (2017-Jan-05.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3078380112221356 7.3882e-08  
q 1.787870284780292 1.8077e-07 au
tp 2457565.801150084986
(2016-Jun-26.30115008)
0.00011153 TDB
node 168.6932313129921 1.7276e-05 deg
peri 218.4491507975335 3.0397e-05 deg
i 33.39121582861965 6.0876e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      196  
   data-arc span      7287 days (19.95 yr)  
   first obs. used      1999-08-22  
   last obs. used      2019-08-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5477  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 10:15:15  

Additional Information
 Jupiter MOID = 2.25846 au 
 T_jup = 3.134 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.458605221114618E-15 -1.332432331481454E-14 5.630056523075158E-12 -1.407334106862567E-13 1.390949960617222E-12 4.812321848484008E-14
q -1.332432331481454E-14 3.267687582453386E-14 -1.303741064292785E-11 3.328700256643159E-13 -3.246063624271443E-12 -1.138044610803017E-13
tp 5.630056523075158E-12 -1.303741064292785E-11 1.243966658351118E-8 -2.597917073168531E-10 2.934941243045763E-9 6.870592356729387E-11
node -1.407334106862567E-13 3.328700256643159E-13 -2.597917073168531E-10 2.984454566818089E-10 -3.064094448881053E-10 -1.940390580346708E-11
peri 1.390949960617222E-12 -3.246063624271443E-12 2.934941243045763E-9 -3.064094448881053E-10 9.239536659199074E-10 3.090006867028376E-11
i 4.812321848484008E-14 -1.138044610803017E-13 6.870592356729387E-11 -1.940390580346708E-11 3.090006867028376E-11 3.705828662033272E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.6   n/a MPO477053  

437845 (1999 RA24)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: Last Updated: 2015-07-06

Alternate Designations
 1999 RA24 = 2003 RO 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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