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11882 (1990 RA3)
Classification: Main-belt Asteroid          SPK-ID: 2011882
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1005895966983739 3.9119e-08  
a 2.697348849433094 1.1823e-08 au
q 2.426023616513797 1.0608e-07 au
i 1.141063774047232 4.2232e-06 deg
node 233.564518559023 0.00018963 deg
peri 149.4437390465885 0.00019048 deg
M 230.2471711524527 1.9371e-05 deg
tp 2459583.701238430207
(2022-Jan-04.20123843)		 8.8551e-05 TDB
period 1618.09532554822
4.43		 1.0639e-05
2.913e-08		 d
yr
n .2224838019836871 1.4628e-09 deg/d
Q 2.968674082352392 1.3013e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1392  
   data-arc span      10899 days (29.84 yr)  
   first obs. used      1990-09-14  
   last obs. used      2020-07-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51923  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:56:40  

Additional Information
 Earth MOID = 1.42927 au 
 Jupiter MOID = 2.46659 au 
 T_jup = 3.361 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456737.5 (2014-Mar-21.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09974280119911788 3.9141e-08  
q 2.430252089652094 1.0612e-07 au
tp 2456352.631396428976
(2013-Mar-01.13139643)		 8.3295e-05 TDB
node 233.6834436697292 0.00018963 deg
peri 150.5164482156602 0.00019049 deg
i 1.140646467388871 4.2221e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      1392  
   data-arc span      10899 days (29.84 yr)  
   first obs. used      1990-09-14  
   last obs. used      2020-07-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51923  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:56:40  

Additional Information
 Jupiter MOID = 2.46659 au 
 T_jup = 3.361 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.53205285590521E-15 -4.132028776275423E-15 4.948604039987482E-14 6.216295420276108E-15 -4.53658830235151E-15 -6.670402432260089E-17
q -4.132028776275423E-15 1.126078079726976E-14 -1.498604572452767E-14 -1.755864194038276E-14 4.301718351752845E-14 1.629375444074605E-16
tp 4.948604039987482E-14 -1.498604572452767E-14 6.938031880062414E-9 2.630954633588759E-12 1.520568131315527E-9 -1.510561452641747E-13
node 6.216295420276108E-15 -1.755864194038276E-14 2.630954633588759E-12 3.595844801279382E-8 -3.59506755635655E-8 -1.418653759169603E-10
peri -4.53658830235151E-15 4.301718351752845E-14 1.520568131315527E-9 -3.59506755635655E-8 3.628542766584829E-8 1.418111555712842E-10
i -6.670402432260089E-17 1.629375444074605E-16 -1.510561452641747E-13 -1.418653759169603E-10 1.418111555712842E-10 1.782625058446443E-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 14.4   n/a MPO337359  
diameter diameter 3.298 km 0.528 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.372   0.191 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

11882 (1990 RA3)          Discovered 1990-Sep-14 by Holt, H. E. at Palomar
Reference: 19991026/Numbers.arcLast Updated: 2004-04-19

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