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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08697514605821922 4.122e-08  
a 3.223772890585536 3.1283e-08 au
q 2.943384772568332 1.3313e-07 au
i .6665879376198192 4.6272e-06 deg
node 311.0062453666533 0.00046799 deg
peri 308.5371099843036 0.00046915 deg
M 209.743785981389 3.0918e-05 deg
tp 2459482.919356774129
(2021-Sep-25.41935677)
0.00017864 TDB
period 2114.195213246483
5.79
3.0774e-05
8.425e-08
d
yr
n .1702775589238029 2.4785e-09 deg/d
Q 3.504161008602741 3.4004e-08 au
  Orbit Determination Parameters
   # obs. used (total)      849  
   data-arc span      9244 days (25.31 yr)  
   first obs. used      1993-09-19  
   last obs. used      2019-01-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59975  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 03:41:03  

Additional Information
 Earth MOID = 1.92779 au 
 Jupiter MOID = 1.54397 au 
 T_jup = 3.182 
[ 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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