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JPL Small-Body Database Browser
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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09449077180867772 3.1948e-08  
a 2.250730139558207 7.0966e-09 au
q 2.038056911538299 7.2538e-08 au
i 5.260037155810195 3.4538e-06 deg
node 245.2810655714288 3.8923e-05 deg
peri 278.3806534498051 4.3226e-05 deg
M 356.9357629755048 1.8323e-05 deg
tp 2459010.997923937850
(2020-Jun-10.49792394)
6.2773e-05 TDB
period 1233.342129677029
3.38
5.8331e-06
1.597e-08
d
yr
n .2918898100839805 1.3805e-09 deg/d
Q 2.463403367578115 7.7671e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1732  
   data-arc span      12467 days (34.13 yr)  
   first obs. used      1985-12-17  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50574  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 00:56:00  

Additional Information
 Earth MOID = 1.05321 au 
 Jupiter MOID = 2.53401 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

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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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