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43735 (1981 DQ1)
Classification: Main-belt Asteroid          SPK-ID: 2043735
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .163338958624379 4.136e-08  
a 2.783983034077772 1.4813e-08 au
q 2.32925014446357 1.1773e-07 au
i 8.413956649202278 4.8315e-06 deg
node 291.4749352365185 2.701e-05 deg
peri 165.6510904609021 3.099e-05 deg
M 306.7872311394758 1.7193e-05 deg
tp 2459647.290834208436
(2022-Mar-08.79083421)
8.2079e-05 TDB
period 1696.673603880336
4.65
1.3541e-05
3.707e-08
d
yr
n .212179879015428 1.6934e-09 deg/d
Q 3.238715923691974 1.7232e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1369  
   data-arc span      15529 days (42.52 yr)  
   first obs. used      1978-07-09  
   last obs. used      2021-01-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48543  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:22:01  

Additional Information
 Earth MOID = 1.34731 au 
 Jupiter MOID = 1.93253 au 
 T_jup = 3.297 
[ 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 14.03   n/a E2021B10  
diameter diameter 11.583 km 3.745 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  
geometric albedo albedo 0.021   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  

43735 (1981 DQ1)          Discovered 1981-Feb-28 by Bus, S. J. at Siding Spring
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1981 DQ1 = 1997 TO 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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