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JPL Small-Body Database Browser
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59919 (1999 RP161)
Classification: Outer Main-belt Asteroid          SPK-ID: 2059919
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08706708782019502 3.8315e-08  
a 3.222437714084539 2.7241e-08 au
q 2.941869446637232 1.277e-07 au
i .6667960396482029 4.5905e-06 deg
node 311.0067412055503 0.00042448 deg
peri 308.8244717188743 0.00042555 deg
M 277.5701024201791 2.9274e-05 deg
tp 2459484.290664698029
(2021-Sep-26.79066470)
0.0001713 TDB
period 2112.88190820131
5.78
2.6792e-05
7.335e-08
d
yr
n .1703833984297148 2.1605e-09 deg/d
Q 3.503005981531846 2.9612e-08 au
  Orbit Determination Parameters
   # obs. used (total)      919  
   data-arc span      9632 days (26.37 yr)  
   first obs. used      1993-09-19  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58656  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 12:57:02  

Additional Information
 Earth MOID = 1.92658 au 
 Jupiter MOID = 1.54585 au 
 T_jup = 3.183 
[ 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 14.1   n/a MPO436201  
diameter diameter 7.391 km 0.193 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.051   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

59919 (1999 RP161)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 RP161 = 2001 YV72 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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