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146271 (2001 DQ75)
Classification: Outer Main-belt Asteroid          SPK-ID: 2146271
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1110859726106445 5.289e-08  
a 3.232246031004014 3.767e-08 au
q 2.873188836933038 1.6273e-07 au
i 3.997687420700283 6.2027e-06 deg
node 303.2881212305659 8.187e-05 deg
peri 158.1754741146006 8.7516e-05 deg
M 145.3904815674172 3.5016e-05 deg
tp 2458143.287456501973
(2018-Jan-24.78745650)
0.0001988 TDB
period 2122.535893219352
5.81
3.7105e-05
1.016e-07
d
yr
n .1696084392023971 2.965e-09 deg/d
Q 3.591303225074991 4.1854e-08 au
  Orbit Determination Parameters
   # obs. used (total)      336  
   data-arc span      7150 days (19.58 yr)  
   first obs. used      1999-11-04  
   last obs. used      2019-06-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57298  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 14:29:18  

Additional Information
 Earth MOID = 1.89057 au 
 Jupiter MOID = 1.54563 au 
 T_jup = 3.173 
[ 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 15.2   n/a MPO432920  
diameter diameter 5.766 km 0.963 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.048   0.026 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

146271 (2001 DQ75)          Discovered 2001-Feb-20 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

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