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JPL Small-Body Database Browser
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49051 (1998 RW27)
Classification: Main-belt Asteroid          SPK-ID: 2049051
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .147937088328847 3.2309e-08  
a 2.477821805635353 1.2592e-08 au
q 2.111260062311932 8.1807e-08 au
i 5.621998213207462 5.4686e-06 deg
node 215.4917727310206 3.8421e-05 deg
peri 98.06469625493418 4.417e-05 deg
M 129.8017537151486 2.3476e-05 deg
tp 2458086.833087228669
(2017-Nov-29.33308723)
9.1021e-05 TDB
period 1424.634747258412
3.90
1.086e-05
2.973e-08
d
yr
n .252696349497855 1.9263e-09 deg/d
Q 2.844383548958773 1.4455e-08 au
  Orbit Determination Parameters
   # obs. used (total)      819  
   data-arc span      7481 days (20.48 yr)  
   first obs. used      1998-08-17  
   last obs. used      2019-02-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59883  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:49:01  

Additional Information
 Earth MOID = 1.10565 au 
 Jupiter MOID = 2.43347 au 
 T_jup = 3.458 
[ 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 15.7   n/a MPO319669  
diameter diameter 1.774 km 0.100 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.354   0.066 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

49051 (1998 RW27)          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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