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1054 Forsytia (1925 WD)
Classification: Main-belt Asteroid          SPK-ID: 2001054
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 44 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1340057435910883 1.0821e-08  
a 2.922247460727596 9.9117e-09 au
q 2.530649516795624 3.0365e-08 au
i 10.87129625915394 8.1716e-07 deg
node 85.77457254969059 1.8024e-06 deg
peri 295.5851921749529 9.469e-06 deg
M 40.11876630598182 7.7076e-06 deg
tp 2458997.161797292787
(2020-May-27.66179729)
3.9021e-05 TDB
period 1824.626221461899
5.00
9.2832e-06
2.542e-08
d
yr
n .1973006831566667 1.0038e-09 deg/d
Q 3.313845404659567 1.124e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3448  
   data-arc span      41656 days (114.05 yr)  
   first obs. used      1907-03-07  
   last obs. used      2021-03-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .39438  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 19:08:10  

Additional Information
 Earth MOID = 1.5565 au 
 Jupiter MOID = 2.1844 au 
 T_jup = 3.239 
[ 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 10.48   n/a E2021B10  
diameter diameter 47.780 km 3.344 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 7.650 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Gross, J. (2003) Minor Planet Bull. 30, 44-46.]
geometric albedo albedo 0.035   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

1054 Forsytia (1925 WD)          Discovered 1925-Nov-20 by Reinmuth, K. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1925 WD = 1962 DD = A907 EA 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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