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JPL Small-Body Database Browser
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1235 Schorria (1931 UJ)
Classification: Mars-crossing Asteroid          SPK-ID: 2001235
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1546868521438615 4.1736e-08  
a 1.910155057208551 4.6918e-09 au
q 1.614679184302283 8.1226e-08 au
i 24.99828315398447 6.7479e-06 deg
node 12.94722615728678 8.5526e-06 deg
peri 43.73178809334107 2.1297e-05 deg
M 183.1881979511106 1.8955e-05 deg
tp 2459474.098273488932
(2021-Sep-16.59827349)
5.1382e-05 TDB
period 964.2760069199038
2.64
3.5528e-06
9.727e-09
d
yr
n .3733370916797092 1.3755e-09 deg/d
Q 2.20563093011482 5.4176e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2203  
   data-arc span      32333 days (88.52 yr)  
   first obs. used      1931-10-18  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .34188  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 01:21:24  

Additional Information
 Earth MOID = .661223 au 
 Jupiter MOID = 3.2397 au 
 T_jup = 3.809 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456816.5 (2014-Jun-08.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1545941009499638 4.1681e-08  
q 1.614864994995702 8.1099e-08 au
tp 2456581.175093995965
(2013-Oct-15.67509400)
4.8764e-05 TDB
node 12.96805447717911 8.5508e-06 deg
peri 43.7169634550531 2.1337e-05 deg
i 25.00251512129552 6.7487e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2203  
   data-arc span      32333 days (88.52 yr)  
   first obs. used      1931-10-18  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .34188  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 01:21:24  

Additional Information
 Jupiter MOID = 3.2397 au 
 T_jup = 3.809 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.737329088977092E-15 -3.376765754027574E-15 -1.044693661759734E-12 1.720081499608457E-14 -4.456630689079676E-13 -1.579529423398204E-14
q -3.376765754027574E-15 6.577051345174887E-15 2.024791001035873E-12 -3.393679019645473E-14 8.656933464919275E-13 3.122044882168622E-14
tp -1.044693661759734E-12 2.024791001035873E-12 2.377969006036968E-9 -1.214560816828464E-11 9.58643176973056E-10 3.466171624195923E-13
node 1.720081499608457E-14 -3.393679019645473E-14 -1.214560816828464E-11 7.311656231039493E-11 -7.018594451215409E-11 -1.237119299758838E-11
peri -4.456630689079676E-13 8.656933464919275E-13 9.58643176973056E-10 -7.018594451215409E-11 4.552662387207334E-10 1.162525870835828E-11
i -1.579529423398204E-14 3.122044882168622E-14 3.466171624195923E-13 -1.237119299758838E-11 1.162525870835828E-11 4.554434548204253E-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 12.68   n/a PDS3 (MPC 17261)  
rotation period rot_per 1265. h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Warner, B.D.; Stephens, R.D. (2009) Minor Planet Bull. 36, 102-103.]
B-V BV 0.750   0.020 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=30.18 deg.
U-B UB 0.330   0.035 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=30.18 deg.
Tholen spectral type spec_T CX:   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 2 color indices

1235 Schorria (1931 UJ)          Discovered 1931-Oct-18 by Reinmuth, K. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1931 UJ = 1988 HD 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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