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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1316627581300498 3.8911e-08  
a 2.454071947395866 9.473e-09 au
q 2.130962066152144 9.5912e-08 au
i 2.871367887216357 4.4781e-06 deg
node 350.705778184429 7.7539e-05 deg
peri 172.44494031 7.9159e-05 deg
M 337.5007807069503 1.7955e-05 deg
tp 2458688.259534571291
(2019-Jul-23.75953457)
7.0259e-05 TDB
period 1404.201276238261
3.84
8.1305e-06
2.226e-08
d
yr
n .2563735029243174 1.4844e-09 deg/d
Q 2.777181828639588 1.072e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1997  
   data-arc span      22314 days (61.09 yr)  
   first obs. used      1958-04-08  
   last obs. used      2019-05-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48959  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-29 22:32:41  

Additional Information
 Earth MOID = 1.13929 au 
 Jupiter MOID = 2.20017 au 
 T_jup = 3.480 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456222.5 (2012-Oct-22.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1318512027411104 3.8888e-08  
q 2.130882389784535 9.5894e-08 au
tp 2455880.580117333279
(2011-Nov-15.08011733)
6.4695e-05 TDB
node 350.7377497780954 7.7546e-05 deg
peri 172.66623945413 7.9162e-05 deg
i 2.871659690600222 4.4768e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1997  
   data-arc span      22314 days (61.09 yr)  
   first obs. used      1958-04-08  
   last obs. used      2019-05-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48959  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-29 22:32:41  

Additional Information
 Jupiter MOID = 2.20017 au 
 T_jup = 3.480 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.512239138127101E-15 -3.715506326791316E-15 2.270442036978712E-13 3.715326219900947E-15 7.331554316646699E-14 2.768083070826174E-17
q -3.715506326791316E-15 9.195695213506189E-15 -4.373670947464664E-13 -9.900465046100611E-15 -1.470044112221904E-13 4.738349821263564E-17
tp 2.270442036978712E-13 -4.373670947464664E-13 4.185409484049602E-9 4.549671077681358E-12 1.041726617766171E-9 1.491444425516741E-12
node 3.715326219900947E-15 -9.900465046100611E-15 4.549671077681358E-12 6.013409375678243E-9 -6.004531233334715E-9 2.443310719062997E-11
peri 7.331554316646699E-14 -1.470044112221904E-13 1.041726617766171E-9 -6.004531233334715E-9 6.266587208527982E-9 -2.404021172125965E-11
i 2.768083070826174E-17 4.738349821263564E-17 1.491444425516741E-12 2.443310719062997E-11 -2.404021172125965E-11 2.004189423562027E-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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