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312019 (2007 RN45)
Classification: Main-belt Asteroid          SPK-ID: 2312019
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09536234581179354 4.9488e-08  
a 2.224428505093929 1.4825e-08 au
q 2.012301784757551 1.1867e-07 au
i 3.536079876930593 4.6752e-06 deg
node 248.720284760911 8.1091e-05 deg
peri 138.9681158316115 8.7184e-05 deg
M 274.4297213201509 3.067e-05 deg
tp 2459288.535853364545
(2021-Mar-15.03585336)
0.00010389 TDB
period 1211.78648487509
3.32
1.2114e-05
3.317e-08
d
yr
n .297082039198604 2.9699e-09 deg/d
Q 2.436555225430307 1.6239e-08 au
  Orbit Determination Parameters
   # obs. used (total)      235  
   data-arc span      6851 days (18.76 yr)  
   first obs. used      2002-01-13  
   last obs. used      2020-10-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59648  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 18:48:57  

Additional Information
 Earth MOID = 1.01857 au 
 Jupiter MOID = 2.92523 au 
 T_jup = 3.638 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457844.5 (2017-Apr-01.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09602420241351921 4.9577e-08  
q 2.009895044441866 1.1887e-07 au
tp 2458078.428112024814
(2017-Nov-20.92811202)
0.0001008 TDB
node 248.7318103009216 8.1061e-05 deg
peri 139.3421374717183 8.7061e-05 deg
i 3.53715037766457 4.6762e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      235  
   data-arc span      6851 days (18.76 yr)  
   first obs. used      2002-01-13  
   last obs. used      2020-10-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59648  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 18:48:57  

Additional Information
 Jupiter MOID = 2.92523 au 
 T_jup = 3.638 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.457860416419176E-15 -5.869697271967845E-15 -4.950621191986284E-14 -1.051689777766815E-15 8.07161090549288E-14 -2.883601138192496E-15
q -5.869697271967845E-15 1.413041840193552E-14 2.697146902433347E-13 3.56330183834373E-15 -1.535413601979512E-13 7.254441349953873E-15
tp -4.950621191986284E-14 2.697146902433347E-13 1.016133835281353E-8 -1.720153903819112E-11 3.217113922209473E-9 7.103272126661002E-12
node -1.051689777766815E-15 3.56330183834373E-15 -1.720153903819112E-11 6.570856239560366E-9 -6.563486782543443E-9 8.222909806372812E-11
peri 8.07161090549288E-14 -1.535413601979512E-13 3.217113922209473E-9 -6.563486782543443E-9 7.579679643087528E-9 -7.99526962422005E-11
i -2.883601138192496E-15 7.254441349953873E-15 7.103272126661002E-12 8.222909806372812E-11 -7.99526962422005E-11 2.186676749173411E-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 17.6   n/a MPO423175  

312019 (2007 RN45)          Discovered 2007-Sep-09 by Spacewatch at Kitt Peak
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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