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27037 (1998 RB55)
Classification: Main-belt Asteroid          SPK-ID: 2027037
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09470046719993119 3.4979e-08  
a 2.250793253566902 7.6721e-09 au
q 2.037642080883663 7.8265e-08 au
i 5.26037535271404 3.6212e-06 deg
node 245.2834174924792 4.1576e-05 deg
peri 278.4226770254935 4.5686e-05 deg
M 240.1622964975514 1.9113e-05 deg
tp 2459011.075292640352
(2020-Jun-10.57529264)
6.5656e-05 TDB
period 1233.394007316793
3.38
6.3063e-06
1.727e-08
d
yr
n .2918775329411303 1.4924e-09 deg/d
Q 2.463944426250141 8.3987e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1573  
   data-arc span      12399 days (33.95 yr)  
   first obs. used      1985-12-17  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5233  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 00:59:54  

Additional Information
 Earth MOID = 1.05325 au 
 Jupiter MOID = 2.53487 au 
 T_jup = 3.616 
[ 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 14.7   n/a MPO358882  
diameter diameter 2.822 km 0.047 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.385   0.113 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

27037 (1998 RB55)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20010804/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 RB55 = 1985 YA1 = 2000 AY236 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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