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70399 (1999 RQ240)
Classification: Main-belt Asteroid          SPK-ID: 2070399
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2339568440376943 5.7227e-08  
a 2.605068543298765 1.6909e-08 au
q 1.995594928406712 1.5523e-07 au
i 14.80061211416909 6.9802e-06 deg
node 53.62275874705999 1.6881e-05 deg
peri 24.04427251509748 2.1495e-05 deg
M 278.6813839066706 1.3705e-05 deg
tp 2459347.408257287268
(2021-May-12.90825729)
6.0326e-05 TDB
period 1535.77346274663
4.20
1.4953e-05
4.094e-08
d
yr
n .2344095719404889 2.2823e-09 deg/d
Q 3.214542158190817 2.0866e-08 au
  Orbit Determination Parameters
   # obs. used (total)      685  
   data-arc span      9068 days (24.83 yr)  
   first obs. used      1995-11-23  
   last obs. used      2020-09-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48568  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-22 18:39:57  

Additional Information
 Earth MOID = 1.01838 au 
 Jupiter MOID = 2.14169 au 
 T_jup = 3.328 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456985.5 (2014-Nov-24.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2339167611423094 5.775e-08  
q 1.995797987071238 1.5694e-07 au
tp 2456269.623684070747
(2012-Dec-08.12368407)
4.8831e-05 TDB
node 53.73469050828517 1.6824e-05 deg
peri 23.08422495502695 2.1518e-05 deg
i 14.8322743502836 6.9952e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      685  
   data-arc span      9068 days (24.83 yr)  
   first obs. used      1995-11-23  
   last obs. used      2020-09-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48568  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-22 18:39:57  

Additional Information
 Jupiter MOID = 2.14169 au 
 T_jup = 3.328 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.335005683667013E-15 -9.039007302838048E-15 -1.562989537902848E-12 3.368824761641935E-14 -4.813334679907613E-13 -2.616193950670894E-14
q -9.039007302838048E-15 2.462970585891926E-14 4.169168981905309E-12 -9.234073741112852E-14 1.307436841832484E-12 7.161340865464733E-14
tp -1.562989537902848E-12 4.169168981905309E-12 2.384478591439945E-9 -2.079049337590382E-11 6.613928693807543E-10 1.853983109514416E-11
node 3.368824761641935E-14 -9.234073741112852E-14 -2.079049337590382E-11 2.83054045621079E-10 -2.788388641554226E-10 -3.71983906592879E-11
peri -4.813334679907613E-13 1.307436841832484E-12 6.613928693807543E-10 -2.788388641554226E-10 4.630038577722505E-10 4.129364954948061E-11
i -2.616193950670894E-14 7.161340865464733E-14 1.853983109514416E-11 -3.71983906592879E-11 4.129364954948061E-11 4.893316005528279E-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 14.9   n/a MPO436274  

70399 (1999 RQ240)          Discovered 1999-Sep-11 by LONEOS at Anderson Mesa
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 RQ240 = 2001 FZ96 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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