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3783 Morris (1986 TW1)
Classification: Main-belt Asteroid          SPK-ID: 2003783
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1734290313365921 3.379e-08  
a 2.271269493879598 5.859e-09 au
q 1.877365425651708 7.6777e-08 au
i 6.177480694750559 3.1537e-06 deg
node 63.50152275251806 3.479e-05 deg
peri 256.3562520665527 3.6193e-05 deg
M 33.02334240918709 9.2195e-06 deg
tp 2459085.811478146351
(2020-Aug-24.31147815)
3.2118e-05 TDB
period 1250.26314283158
3.42
4.8378e-06
1.325e-08
d
yr
n .2879393846519994 1.1142e-09 deg/d
Q 2.665173562107489 6.8752e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2757  
   data-arc span      19262 days (52.74 yr)  
   first obs. used      1968-04-22  
   last obs. used      2021-01-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43165  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 01:13:11  

Additional Information
 Earth MOID = .874128 au 
 Jupiter MOID = 2.64241 au 
 T_jup = 3.585 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.14   n/a E2021B10  
diameter diameter 4.939 km 0.104 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 6.816 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.218   0.025 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

3783 Morris (1986 TW1)          Discovered 1986-Oct-07 by Bowell, E. at Flagstaff (AM)
Discovered at the Anderson Mesa station, which is operated by the Lowell Observatory.
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1986 TW1 = 1948 MF = 1968 HJ = 1978 EQ5 = 1979 SU1 = 1983 XY 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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