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3532 Tracie (1983 AS2)
Classification: Main-belt Asteroid          SPK-ID: 2003532
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 45 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05477564036092276 1.9102e-08  
a 2.917076923870896 1.1903e-08 au
q 2.757292167383797 5.9352e-08 au
i 10.32882680157496 3.4303e-07 deg
node 56.26719950586342 5.0681e-06 deg
peri 342.6005493918796 1.8023e-05 deg
M 295.079559844219 1.6602e-05 deg
tp 2459528.670247282763
(2021-Nov-10.17024728)
8.4338e-05 TDB
period 1819.785705985765
4.98
1.1139e-05
3.05e-08
d
yr
n .1978254905596099 1.2109e-09 deg/d
Q 3.076861680357994 1.2555e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2819  
   data-arc span      14320 days (39.21 yr)  
   first obs. used      1981-09-28  
   last obs. used      2020-12-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .42123  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 15:14:16  

Additional Information
 Earth MOID = 1.76663 au 
 Jupiter MOID = 2.21242 au 
 T_jup = 3.255 
[ 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 12.00   n/a E2021B10  
diameter diameter 16.059 km 0.243 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
geometric albedo albedo 0.072   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

3532 Tracie (1983 AS2)          Discovered 1983-Jan-10 by Herkenhoff, K. at Palomar
and G. Ojakangas.
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1983 AS2 = 1981 SD7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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