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JPL Small-Body Database Browser
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49086 (1998 RB68)
Classification: Main-belt Asteroid          SPK-ID: 2049086
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1589135315747572 3.4305e-08  
a 2.646416631875314 1.2278e-08 au
q 2.225865218885834 9.1969e-08 au
i 4.385852522545085 4.1482e-06 deg
node 209.6110829542223 6.2333e-05 deg
peri 225.3048910434937 6.4673e-05 deg
M 229.4295081957511 1.8896e-05 deg
tp 2459170.832725467057
(2020-Nov-17.33272547)
8.4632e-05 TDB
period 1572.482253310002
4.31
1.0943e-05
2.996e-08
d
yr
n .2289374008782718 1.5932e-09 deg/d
Q 3.066968044864794 1.4229e-08 au
  Orbit Determination Parameters
   # obs. used (total)      751  
   data-arc span      10544 days (28.87 yr)  
   first obs. used      1990-12-19  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55484  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 06:39:56  

Additional Information
 Earth MOID = 1.24318 au 
 Jupiter MOID = 2.21048 au 
 T_jup = 3.370 
[ 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 15.4   n/a MPO449315  
diameter diameter 4.333 km 1.227 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.071   0.023 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

49086 (1998 RB68)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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