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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1907556880990778 3.2882e-08  
a 2.431470571451483 7.7857e-09 au
q 1.967653729501598 8.1302e-08 au
i 12.63916913052867 3.5269e-06 deg
node 170.8783610175875 1.3348e-05 deg
peri 198.7471267685078 1.5142e-05 deg
M 263.9646222524801 7.724e-06 deg
tp 2459765.928759363405
(2022-Jul-05.42875936)
3.044e-05 TDB
period 1384.847506097933
3.79
6.6516e-06
1.821e-08
d
yr
n .2599564200497189 1.2486e-09 deg/d
Q 2.895287413401369 9.2709e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1708  
   data-arc span      18400 days (50.38 yr)  
   first obs. used      1971-03-24  
   last obs. used      2021-08-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48324  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-24 20:52:42  

Additional Information
 Earth MOID = .968975 au 
 Jupiter MOID = 2.57112 au 
 T_jup = 3.450 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457696.5 (2016-Nov-04.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1894850038835617 3.2856e-08  
q 1.972794956738012 8.113e-08 au
tp 2458380.428631819389
(2018-Sep-18.92863182)
2.8491e-05 TDB
node 170.9115996733782 1.3334e-05 deg
peri 198.5207314716256 1.5163e-05 deg
i 12.64034494697272 3.5273e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1708  
   data-arc span      18400 days (50.38 yr)  
   first obs. used      1971-03-24  
   last obs. used      2021-08-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48324  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-24 20:52:42  

Additional Information
 Jupiter MOID = 2.57112 au 
 T_jup = 3.450 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.079493695621377E-15 -2.657625381650169E-15 -4.911317450737726E-14 1.077800774894634E-14 -9.088622930075296E-15 7.436254947268851E-16
q -2.657625381650169E-15 6.582076375655731E-15 1.61098179802348E-13 -2.682149165933164E-14 2.730645228682463E-14 -1.516180209808838E-15
tp -4.911317450737726E-14 1.61098179802348E-13 8.117376409098931E-10 -5.245959513035005E-12 2.121232843362459E-10 1.694064266141191E-12
node 1.077800774894634E-14 -2.682149165933164E-14 -5.245959513035005E-12 1.777903728871398E-10 -1.743698811913685E-10 7.797555181523248E-12
peri -9.088622930075296E-15 2.730645228682463E-14 2.121232843362459E-10 -1.743698811913685E-10 2.299192807347216E-10 -7.195480793543102E-12
i 7.436254947268851E-16 -1.516180209808838E-15 1.694064266141191E-12 7.797555181523248E-12 -7.195480793543102E-12 1.244217363720794E-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 14.71   n/a MPO636256  
diameter diameter 5.464 km 0.116 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 20.9884 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
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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