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20569 (1999 RP132)
Classification: Main-belt Asteroid          SPK-ID: 2020569
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2283036281767936 3.4278e-08  
a 3.174658875251986 1.7989e-08 au
q 2.449872735808299 1.0902e-07 au
i 12.86139974616962 4.8784e-06 deg
node 312.2712529399768 1.8548e-05 deg
peri 98.5566698136564 2.1937e-05 deg
M 228.0119320938695 1.2008e-05 deg
tp 2459957.988766825958
(2023-Jan-13.48876683)
7.2519e-05 TDB
period 2066.06521622307
5.66
1.7561e-05
4.808e-08
d
yr
n .1742442577190803 1.481e-09 deg/d
Q 3.899445014695673 2.2096e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1734  
   data-arc span      13346 days (36.54 yr)  
   first obs. used      1984-01-24  
   last obs. used      2020-08-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44667  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:23:57  

Additional Information
 Earth MOID = 1.50023 au 
 Jupiter MOID = 1.72762 au 
 T_jup = 3.122 
[ show covariance matrix ]

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 12.62   n/a E2021B10  
diameter diameter 17.297 km 0.174 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 4.23325 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 0.054   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

20569 (1999 RP132)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 RP132 = 1984 BN1 = 1990 BU2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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