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312728 (2010 RA109)
Classification: Main-belt Asteroid          SPK-ID: 2312728
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2411536894432263 8.0521e-08  
a 3.165329452967424 5.7975e-08 au
q 2.401998577081021 2.4817e-07 au
i 15.38735694869809 1.7706e-05 deg
node 344.4184092353353 3.1577e-05 deg
peri 84.7406656377668 5.5314e-05 deg
M 138.4666629916523 3.7463e-05 deg
tp 2457809.330511540791
(2017-Feb-24.83051154)
0.0002075 TDB
period 2056.964540717544
5.63
5.6512e-05
1.547e-07
d
yr
n .175015170594248 4.8083e-09 deg/d
Q 3.928660328853828 7.1956e-08 au
  Orbit Determination Parameters
   # obs. used (total)      169  
   data-arc span      6258 days (17.13 yr)  
   first obs. used      2001-02-01  
   last obs. used      2018-03-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55465  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 13:46:05  

Additional Information
 Earth MOID = 1.47379 au 
 Jupiter MOID = 1.76699 au 
 T_jup = 3.103 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457386.5 (2015-Dec-30.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2423850414896098 8.0571e-08  
q 2.397223756605364 2.4822e-07 au
tp 2457809.440531482407
(2017-Feb-24.94053148)
0.00020593 TDB
node 344.4571785784307 3.1554e-05 deg
peri 84.56584099633064 5.5006e-05 deg
i 15.39894856349911 1.7714e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      169  
   data-arc span      6258 days (17.13 yr)  
   first obs. used      2001-02-01  
   last obs. used      2018-03-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55465  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 13:46:05  

Additional Information
 Jupiter MOID = 1.76699 au 
 T_jup = 3.103 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.491693114888401E-15 -1.969980724084951E-14 -4.272963525895438E-12 6.185858282941586E-14 -1.290187593849427E-12 -5.307634729177556E-14
q -1.969980724084951E-14 6.161424833597905E-14 1.551897359256661E-11 -2.146720877269872E-13 4.343397411983346E-12 1.677050936052042E-13
tp -4.272963525895438E-12 1.551897359256661E-11 4.240914894131536E-8 -3.978219343381216E-10 9.258363680428471E-9 7.841501866352405E-11
node 6.185858282941586E-14 -2.146720877269872E-13 -3.978219343381216E-10 9.956268313181838E-10 -1.042058206587503E-9 -6.817850105066878E-11
peri -1.290187593849427E-12 4.343397411983346E-12 9.258363680428471E-9 -1.042058206587503E-9 3.02566486348942E-9 8.468486148525053E-11
i -5.307634729177556E-14 1.677050936052042E-13 7.841501866352405E-11 -6.817850105066878E-11 8.468486148525053E-11 3.137986312058396E-10

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 15.6   n/a MPO437380  

312728 (2010 RA109)          Discovered 2001-Feb-01 by LINEAR at Socorro
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

[ show close-approach data ]
Alternate Designations
 2010 RA109 = 2001 DC25 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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