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JPL Small-Body Database Browser
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19661 (1999 RR130)
Classification: Main-belt Asteroid          SPK-ID: 2019661
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1607135528339776 4.6696e-08  
a 2.782404252458845 1.6164e-08 au
q 2.335234179625817 1.3323e-07 au
i 6.566406277007225 4.5309e-06 deg
node 317.6271013757323 3.3913e-05 deg
peri 249.0544617668437 3.7121e-05 deg
M 279.8193003797251 1.8825e-05 deg
tp 2459378.068809094411
(2021-Jun-12.56880909)
9.0357e-05 TDB
period 1695.230546973394
4.64
1.4773e-05
4.045e-08
d
yr
n .2123604961241004 1.8506e-09 deg/d
Q 3.229574325291873 1.8762e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1850  
   data-arc span      14926 days (40.87 yr)  
   first obs. used      1979-03-23  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46917  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 22:53:36  

Additional Information
 Earth MOID = 1.34121 au 
 Jupiter MOID = 1.80035 au 
 T_jup = 3.304 
[ 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 13.2   n/a MPO412332  
diameter diameter 12.431 km 3.083 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  
geometric albedo albedo 0.055   0.048 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  

19661 (1999 RR130)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 RR130 = 1971 QZ2 = 1979 FC1 = 1984 GC1 = 1990 RQ4 = 1998 FA119 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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