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JPL Small-Body Database Browser
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59925 (1999 RR172)
Classification: Main-belt Asteroid          SPK-ID: 2059925
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1209752908855734 4.5801e-08  
a 3.040848907185153 2.3741e-08 au
q 2.672981326099351 1.4156e-07 au
i 10.80928587640518 5.6466e-06 deg
node 139.9365667408917 2.6589e-05 deg
peri 265.6939486239946 3.594e-05 deg
M 212.0724973825525 2.6191e-05 deg
tp 2459396.360799452404
(2021-Jun-30.86079945)
0.00014509 TDB
period 1936.8263692236
5.30
2.2682e-05
6.21e-08
d
yr
n .1858710753428612 2.1767e-09 deg/d
Q 3.408716488270955 2.6613e-08 au
  Orbit Determination Parameters
   # obs. used (total)      697  
   data-arc span      8608 days (23.57 yr)  
   first obs. used      1996-01-29  
   last obs. used      2019-08-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53244  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 02:28:44  

Additional Information
 Earth MOID = 1.70899 au 
 Jupiter MOID = 2.03718 au 
 T_jup = 3.202 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.3   n/a MPO347919  
diameter diameter 4.391 km 0.098 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.210   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

59925 (1999 RR172)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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