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JPL Small-Body Database Browser
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12588 (1999 RR98)
Classification: Main-belt Asteroid          SPK-ID: 2012588
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .190452930211428 4.3131e-08  
a 2.431899252270395 8.6457e-09 au
q 1.968736913696518 1.0446e-07 au
i 12.63778771765265 4.7761e-06 deg
node 170.8754541991846 1.4232e-05 deg
peri 198.7672081894751 1.6799e-05 deg
M 160.9947871126888 8.0443e-06 deg
tp 2458381.021684068960
(2018-Sep-19.52168407)
3.0666e-05 TDB
period 1385.213755890594
3.79
7.3869e-06
2.022e-08
d
yr
n .2598876877082018 1.3859e-09 deg/d
Q 2.895061590844273 1.0292e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1365  
   data-arc span      17846 days (48.86 yr)  
   first obs. used      1971-03-24  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5008  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 20:23:43  

Additional Information
 Earth MOID = .970886 au 
 Jupiter MOID = 2.5697 au 
 T_jup = 3.449 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.7   n/a MPO467815  
diameter diameter 5.464 km 0.116 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.094   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

12588 (1999 RR98)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 19991123/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 RR98 = 1980 RU1 = 1998 HO122 = 4038 T-1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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