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2923 Schuyler (1977 DA)
Classification: Main-belt Asteroid          SPK-ID: 2002923
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1316361493186715 3.8529e-08  
a 2.454656887046076 9.0637e-09 au
q 2.131535306536773 9.4725e-08 au
i 2.871282437318285 4.4354e-06 deg
node 350.6941444619277 7.7149e-05 deg
peri 172.6257330312424 7.8751e-05 deg
M 79.89465565078352 1.8023e-05 deg
tp 2458688.754748074471
(2019-Jul-24.25474807)
6.9567e-05 TDB
period 1404.703353172156
3.85
7.7802e-06
2.13e-08
d
yr
n .2562818684721112 1.4195e-09 deg/d
Q 2.777778467555379 1.0257e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2029  
   data-arc span      22666 days (62.06 yr)  
   first obs. used      1958-04-08  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49194  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 01:47:12  

Additional Information
 Earth MOID = 1.13933 au 
 Jupiter MOID = 2.19788 au 
 T_jup = 3.480 
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Orbital Elements at Epoch 2456222.5 (2012-Oct-22.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1318512048460737 3.8459e-08  
q 2.130882381356351 9.4712e-08 au
tp 2455880.580033372908
(2011-Nov-15.08003337)
6.429e-05 TDB
node 350.7376706582187 7.716e-05 deg
peri 172.6662994504961 7.8763e-05 deg
i 2.87166304321512 4.4344e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2029  
   data-arc span      22666 days (62.06 yr)  
   first obs. used      1958-04-08  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49194  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 01:47:12  

Additional Information
 Jupiter MOID = 2.19788 au 
 T_jup = 3.480 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.479102883685623E-15 -3.629455327940843E-15 2.245524449983328E-13 3.657364646708869E-15 7.146894489801242E-14 5.923215190756414E-17
q -3.629455327940843E-15 8.970309308336975E-15 -4.377044367955386E-13 -9.754259680035511E-15 -1.441682727047863E-13 -4.187490405518644E-17
tp 2.245524449983328E-13 -4.377044367955386E-13 4.133158141675691E-9 4.17267127546106E-12 1.028579162176612E-9 1.399309589760424E-12
node 3.657364646708869E-15 -9.754259680035511E-15 4.17267127546106E-12 5.953691883761593E-9 -5.944993182770662E-9 2.389850948598726E-11
peri 7.146894489801242E-14 -1.441682727047863E-13 1.028579162176612E-9 -5.944993182770662E-9 6.20357799668545E-9 -2.352830442567667E-11
i 5.923215190756414E-17 -4.187490405518644E-17 1.399309589760424E-12 2.389850948598726E-11 -2.352830442567667E-11 1.966351108743775E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.7   n/a MPO384777  
diameter diameter 9.290 km 1.400 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.074   0.047 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

2923 Schuyler (1977 DA)          Discovered 1977-Feb-22 by Harvard College at Agassiz Station
Discovered at Oak Ridge Observatory (until 1981 Harvard College's Agassiz Station). The principal observers are R. E. McCrosky, C.-Y. Shao, G. Schwartz, and J. H. Bulger, with some assistance from others.
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1977 DA = 1958 GG = 1977 DF3 = 1979 SP11 = 1981 EY24 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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