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JPL Small-Body Database Browser
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146510 (2001 SD81)
Classification: Main-belt Asteroid          SPK-ID: 2146510
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 .1077282590045416 3.6535e-08  
a 2.65757159290406 1.7861e-08 au
q 2.371276032020579 9.7704e-08 au
i 3.880013837979455 5.0278e-06 deg
node 293.424908008436 6.4193e-05 deg
peri 120.8414010202915 6.9343e-05 deg
M 319.3595546760884 2.6181e-05 deg
tp 2458779.141288939846
(2019-Oct-22.64128894)
0.00011573 TDB
period 1582.435022691698
4.33
1.5953e-05
4.368e-08
d
yr
n .2274974926854472 2.2934e-09 deg/d
Q 2.943867153787541 1.9785e-08 au
  Orbit Determination Parameters
   # obs. used (total)      469  
   data-arc span      6650 days (18.21 yr)  
   first obs. used      2001-09-12  
   last obs. used      2019-11-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55449  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 12:59:40  

Additional Information
 Earth MOID = 1.38521 au 
 Jupiter MOID = 2.36338 au 
 T_jup = 3.376 
[ 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 16.0   n/a MPO453930  

146510 (2001 SD81)          Discovered 2001-Sep-20 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

[ show close-approach data ]
Alternate Designations
 2001 SD81 = 2002 YZ27 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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