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JPL Small-Body Database Browser
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52844 (1998 RB66)
Classification: Main-belt Asteroid          SPK-ID: 2052844
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06048497990130159 3.4641e-08  
a 2.256051231239839 7.5061e-09 au
q 2.119594017861991 7.8475e-08 au
i 7.199947113122777 4.431e-06 deg
node 190.7090905872101 2.4288e-05 deg
peri 312.82591867 3.9838e-05 deg
M 10.1574489062389 3.1695e-05 deg
tp 2458965.577605917055
(2020-Apr-26.07760592)
0.00010895 TDB
period 1237.718445439405
3.39
6.177e-06
1.691e-08
d
yr
n .2908577482435399 1.4516e-09 deg/d
Q 2.392508444617687 7.9601e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1606  
   data-arc span      9872 days (27.03 yr)  
   first obs. used      1993-01-24  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49888  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 10:36:46  

Additional Information
 Earth MOID = 1.13713 au 
 Jupiter MOID = 2.60174 au 
 T_jup = 3.611 
[ 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 14.8   n/a MPO412529  
diameter diameter 3.711 km 0.148 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 4.832832 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 0.141   0.024 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

52844 (1998 RB66)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 RB66 = 2000 AB237 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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