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135281 (2001 SZ138)
Classification: Main-belt Asteroid          SPK-ID: 2135281
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1951455000158863 6.3318e-08  
a 2.872780744287607 2.0236e-08 au
q 2.312170509507592 1.8029e-07 au
i 1.280525100274021 4.7776e-06 deg
node 292.7387648866875 0.00031496 deg
peri 53.31576231660108 0.00031552 deg
M 355.5790519347476 2.2925e-05 deg
tp 2459222.340624936788
(2021-Jan-07.84062494)
0.00011342 TDB
period 1778.492952460099
4.87
1.8792e-05
5.145e-08
d
yr
n .2024185698920146 2.1388e-09 deg/d
Q 3.433390979067622 2.4185e-08 au
  Orbit Determination Parameters
   # obs. used (total)      515  
   data-arc span      8714 days (23.86 yr)  
   first obs. used      1996-10-09  
   last obs. used      2020-08-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57029  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 18:12:18  

Additional Information
 Earth MOID = 1.30356 au 
 Jupiter MOID = 1.9905 au 
 T_jup = 3.268 
[ 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 15.86   n/a E2021B55  

135281 (2001 SZ138)          Discovered 2001-Sep-16 by LINEAR at Socorro
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

[ show close-approach data ]
Alternate Designations
 2001 SZ138 = 1996 TM64 = 1996 UR4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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