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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1119132057418596 5.3414e-08  
a 3.229302181934587 3.8818e-08 au
q 2.867900622445105 1.6609e-07 au
i 3.997366784441042 6.3896e-06 deg
node 303.306344635165 8.1936e-05 deg
peri 157.8267182532538 8.7494e-05 deg
M 77.78509333134926 3.4326e-05 deg
tp 2458142.510699395483
(2018-Jan-24.01069940)
0.00019805 TDB
period 2119.636824439947
5.80
3.8218e-05
1.046e-07
d
yr
n .1698404159849976 3.0623e-09 deg/d
Q 3.590703741424069 4.3162e-08 au
  Orbit Determination Parameters
   # obs. used (total)      332  
   data-arc span      7112 days (19.47 yr)  
   first obs. used      1999-11-04  
   last obs. used      2019-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58115  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 14:35:36  

Additional Information
 Earth MOID = 1.88545 au 
 Jupiter MOID = 1.54898 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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