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3256 Daguerre (1981 SJ1)
Classification: Main-belt Asteroid          SPK-ID: 2003256
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09911506785614897 3.0907e-08  
a 2.776869707466047 1.0919e-08 au
q 2.501640077982865 8.5086e-08 au
i 7.83853400732132 4.0618e-06 deg
node 174.2807299534249 2.3727e-05 deg
peri 267.8727472919734 3.2423e-05 deg
M 109.2884030875915 2.0727e-05 deg
tp 2458687.398528073646
(2019-Jul-22.89852807)
9.7532e-05 TDB
period 1690.175029325322
4.63
9.9689e-06
2.729e-08
d
yr
n .2129956920164082 1.2563e-09 deg/d
Q 3.052099336949229 1.2001e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2723  
   data-arc span      16272 days (44.55 yr)  
   first obs. used      1976-08-26  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44429  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 14:54:02  

Additional Information
 Earth MOID = 1.53217 au 
 Jupiter MOID = 2.16952 au 
 T_jup = 3.314 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.57   n/a E2021B10  
diameter diameter 20.551 km 0.103 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
geometric albedo albedo 0.037   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
SMASSII spectral type spec_B X   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

3256 Daguerre (1981 SJ1)          Discovered 1980-Sep-26 by Skiff, B. A. and Thomas, N. G. at Flagstaff (AM)
Discovered at the Anderson Mesa station, which is operated by the Lowell Observatory.
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1981 SJ1 = 1976 QW 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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