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JPL Small-Body Database Browser
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13511 (1989 RD1)
Classification: Main-belt Asteroid          SPK-ID: 2013511
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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1902494867098997 4.5719e-08  
a 2.666973965172215 1.5938e-08 au
q 2.159583537229536 1.2899e-07 au
i 13.30305832840344 5.0864e-06 deg
node 86.72972765956195 1.8667e-05 deg
peri 261.2351418880999 2.3055e-05 deg
M 9.922067495835382 1.5135e-05 deg
tp 2458956.654374773423
(2020-Apr-17.15437477)
6.6709e-05 TDB
period 1590.840325183525
4.36
1.426e-05
3.904e-08
d
yr
n .226295495720772 2.0285e-09 deg/d
Q 3.174364393114895 1.897e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1317  
   data-arc span      10990 days (30.09 yr)  
   first obs. used      1989-08-01  
   last obs. used      2019-09-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48169  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 01:15:14  

Additional Information
 Earth MOID = 1.19994 au 
 Jupiter MOID = 2.35931 au 
 T_jup = 3.319 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456581.5 (2013-Oct-16.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1924146617264367 4.5625e-08  
q 2.152690506537716 1.2887e-07 au
tp 2457367.374241687194
(2015-Dec-10.87424169)
6.1193e-05 TDB
node 86.76504059421298 1.8689e-05 deg
peri 261.6598381402882 2.2994e-05 deg
i 13.30027618310252 5.0849e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1317  
   data-arc span      10990 days (30.09 yr)  
   first obs. used      1989-08-01  
   last obs. used      2019-09-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48169  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 01:15:14  

Additional Information
 Jupiter MOID = 2.35931 au 
 T_jup = 3.319 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.081602158344774E-15 -5.858292567853585E-15 -5.789998435429944E-13 1.118658569407855E-14 -5.189309740041026E-14 -3.384651418319608E-15
q -5.858292567853585E-15 1.660856428978639E-14 1.720816796181952E-12 -3.289033859016995E-14 1.547614460298043E-13 1.012699727026032E-14
tp -5.789998435429944E-13 1.720816796181952E-12 3.744557707861011E-9 -2.473654997875228E-11 8.301338083113837E-10 2.751685045824996E-12
node 1.118658569407855E-14 -3.289033859016995E-14 -2.473654997875228E-11 3.49262180210339E-10 -3.441088095846132E-10 -1.76497395647418E-13
peri -5.189309740041026E-14 1.547614460298043E-13 8.301338083113837E-10 -3.441088095846132E-10 5.287328373294989E-10 5.641637302342109E-13
i -3.384651418319608E-15 1.012699727026032E-14 2.751685045824996E-12 -1.76497395647418E-13 5.641637302342109E-13 2.585661086170822E-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 13.5   n/a MPO337373  
diameter diameter 7.630 km 0.174 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.144   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

13511 (1989 RD1)          Discovered 1989-Sep-05 by Gilmore, A. C., Kilmartin, P. M. at Lake Tekapo
Reference: 20000222/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1989 RD1 = 1997 JT7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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