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JPL Small-Body Database Browser
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136844 (1997 YA11)
Classification: Main-belt Asteroid          SPK-ID: 2136844
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2854881788112311 3.6847e-08  
a 2.726447964717587 9.5984e-09 au
q 1.948079300646776 1.0214e-07 au
i 4.274576831710242 4.7292e-06 deg
node 118.2602857350083 5.1292e-05 deg
peri 330.2718401719335 5.2439e-05 deg
M 276.1305905021668 8.3868e-06 deg
tp 2458983.585162616590
(2020-May-14.08516262)
3.9145e-05 TDB
period 1644.349940791411
4.50
8.6834e-06
2.377e-08
d
yr
n .2189315005702103 1.1561e-09 deg/d
Q 3.504816628788399 1.2339e-08 au
  Orbit Determination Parameters
   # obs. used (total)      683  
   data-arc span      7978 days (21.84 yr)  
   first obs. used      1997-12-25  
   last obs. used      2019-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54056  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 16:05:14  

Additional Information
 Earth MOID = .965917 au 
 Jupiter MOID = 1.73181 au 
 T_jup = 3.292 
[ 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 16.1   n/a MPO379423  

136844 (1997 YA11)          Discovered 1997-Dec-25 by NEAT at Haleakala
Reference: 20061205/Numbers.arcLast Updated: 2006-12-13

[ show close-approach data ]
Alternate Designations
 1997 YA11 = 2001 SN44 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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