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JPL Small-Body Database Browser
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59920 (1999 RO162)
Classification: Main-belt Asteroid          SPK-ID: 2059920
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1629432433676972 5.2008e-08  
a 2.789060776975758 1.3507e-08 au
q 2.334602168025698 1.4438e-07 au
i 9.94815302265881 5.1406e-06 deg
node 35.99103760019815 2.299e-05 deg
peri 352.4815569130619 2.5859e-05 deg
M 143.9954262885094 1.2408e-05 deg
tp 2458319.994575844609
(2018-Jul-20.49457584)
5.7282e-05 TDB
period 1701.317597442953
4.66
1.2358e-05
3.383e-08
d
yr
n .2116007032085443 1.5371e-09 deg/d
Q 3.243519385925817 1.5707e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1574  
   data-arc span      10677 days (29.23 yr)  
   first obs. used      1990-11-11  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48353  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 12:57:02  

Additional Information
 Earth MOID = 1.34024 au 
 Jupiter MOID = 2.20329 au 
 T_jup = 3.289 
[ 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 13.6   n/a MPO493292  
diameter diameter 5.141 km 0.270 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 4.368980 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 sidereal period (not synodic); Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.]
geometric albedo albedo 0.168   0.024 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

59920 (1999 RO162)          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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