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135282 (2001 SD142)
Classification: Main-belt Asteroid          SPK-ID: 2135282
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06625114590268479 6.6842e-08  
a 2.917086466725662 2.2525e-08 au
q 2.723826145607873 1.8972e-07 au
i 4.751446190679816 5.0474e-06 deg
node 306.3957300953467 7.4733e-05 deg
peri 241.2809470716385 8.258e-05 deg
M 123.4938050361277 3.2295e-05 deg
tp 2458576.240655669582
(2019-Apr-02.74065567)
0.0001654 TDB
period 1819.794635797364
4.98
2.1078e-05
5.771e-08
d
yr
n .1978245198213049 2.2914e-09 deg/d
Q 3.110346787843451 2.4018e-08 au
  Orbit Determination Parameters
   # obs. used (total)      782  
   data-arc span      11475 days (31.42 yr)  
   first obs. used      1989-02-11  
   last obs. used      2020-07-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52399  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 18:12:19  

Additional Information
 Earth MOID = 1.72846 au 
 Jupiter MOID = 1.88171 au 
 T_jup = 3.273 
[ 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 14.54   n/a E2021B55  
diameter diameter 4.880 km 0.392 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.141   0.034 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

135282 (2001 SD142)          Discovered 2001-Sep-16 by LINEAR at Socorro
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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