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135135 (2001 QD180)
Classification: Main-belt Asteroid          SPK-ID: 2135135
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07987971154384849 8.0177e-08  
a 3.060421164262416 2.9151e-08 au
q 2.815955604458445 2.4931e-07 au
i 15.97904442725655 8.982e-06 deg
node 2.196283016796573 1.8003e-05 deg
peri 1.861910535015809 3.761e-05 deg
M 203.8450895574361 3.4598e-05 deg
tp 2460048.749020211728
(2023-Apr-14.24902021)
0.0001934 TDB
period 1955.555841380612
5.35
2.794e-05
7.65e-08
d
yr
n .1840908821840863 2.6302e-09 deg/d
Q 3.304886724066388 3.1479e-08 au
  Orbit Determination Parameters
   # obs. used (total)      506  
   data-arc span      6856 days (18.77 yr)  
   first obs. used      2001-08-13  
   last obs. used      2020-05-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5598  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 18:11:40  

Additional Information
 Earth MOID = 1.81205 au 
 Jupiter MOID = 2.14304 au 
 T_jup = 3.170 
[ 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 14.86   n/a E2021B55  
diameter diameter 7.208 km 0.415 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.049   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

135135 (2001 QD180)          Discovered 2001-Aug-25 by NEAT at Palomar
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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