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JPL Small-Body Database Browser
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66076 (1998 RD53)
Classification: Main-belt Asteroid          SPK-ID: 2066076
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05463395754102573 4.3443e-08  
a 2.990330769024715 1.66e-08 au
q 2.826957164756196 1.3394e-07 au
i 9.797398701384152 4.7713e-06 deg
node 357.1972198807236 2.2034e-05 deg
peri 140.0787489927428 4.261e-05 deg
M 293.8608637326427 3.7022e-05 deg
tp 2459347.503047894465
(2021-May-13.00304789)
0.00019522 TDB
period 1888.762150401131
5.17
1.5727e-05
4.306e-08
d
yr
n .1906010240217615 1.5871e-09 deg/d
Q 3.153704373293234 1.7507e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1747  
   data-arc span      14595 days (39.96 yr)  
   first obs. used      1980-02-20  
   last obs. used      2020-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51129  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 14:50:57  

Additional Information
 Earth MOID = 1.84642 au 
 Jupiter MOID = 1.84702 au 
 T_jup = 3.232 
[ 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 13.3   n/a MPO333370  
diameter diameter 7.827 km 0.152 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 8.93855 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.; Oszkiewsicz, D.; Vanco, R. (2016) Astron. Astrophys. 587, A48.]
geometric albedo albedo 0.095   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

66076 (1998 RD53)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 RD53 = 1980 DK3 = 1999 XC209 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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