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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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .154686850339561 4.1234e-08  
a 1.910155057079092 4.6847e-09 au
q 1.614679187639342 8.0309e-08 au
i 24.99828218557858 6.409e-06 deg
node 12.94722696027392 8.3997e-06 deg
peri 43.7317900260251 2.0192e-05 deg
M 183.1881957654006 1.8165e-05 deg
tp 2459474.098279295307
(2021-Sep-16.59827930)
4.9318e-05 TDB
period 964.2760068218739
2.64
3.5473e-06
9.712e-09
d
yr
n .3733370917176632 1.3734e-09 deg/d
Q 2.205630926518841 5.4093e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2308  
   data-arc span      32436 days (88.80 yr)  
   first obs. used      1931-10-18  
   last obs. used      2020-08-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .34116  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:21:06  

Additional Information
 Earth MOID = .661223 au 
 Jupiter MOID = 3.2397 au 
 T_jup = 3.809 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456897.5 (2014-Aug-28.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1546036183672877 4.1188e-08  
q 1.614761032600574 8.0191e-08 au
tp 2456581.138446730501
(2013-Oct-15.63844673)
4.6381e-05 TDB
node 12.96726380778528 8.3976e-06 deg
peri 43.69728441630603 2.0227e-05 deg
i 25.00341494017318 6.4099e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2308  
   data-arc span      32436 days (88.80 yr)  
   first obs. used      1931-10-18  
   last obs. used      2020-08-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .34116  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:21:06  

Additional Information
 Jupiter MOID = 3.2397 au 
 T_jup = 3.809 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.696421469153822E-15 -3.299373710443275E-15 -9.519851068110396E-13 1.346624031305049E-14 -4.022382918701188E-13 -1.094027681813452E-14
q -3.299373710443275E-15 6.430558643723952E-15 1.850972995600821E-12 -2.662286855396041E-14 7.84024055452793E-13 2.183032271036919E-14
tp -9.519851068110396E-13 1.850972995600821E-12 2.151210188840539E-9 -9.943164820540759E-12 8.587047376578507E-10 -2.42399588813392E-12
node 1.346624031305049E-14 -2.662286855396041E-14 -9.943164820540759E-12 7.051999415195846E-11 -6.690377670325712E-11 -9.012570785011701E-12
peri -4.022382918701188E-13 7.84024055452793E-13 8.587047376578507E-10 -6.690377670325712E-11 4.091458063075079E-10 7.422976406698994E-12
i -1.094027681813452E-14 2.183032271036919E-14 -2.42399588813392E-12 -9.012570785011701E-12 7.422976406698994E-12 4.108720553113524E-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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