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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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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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1736994574604886 3.4129e-08  
a 2.271993600114951 6.0568e-09 au
q 1.877349544421281 7.7682e-08 au
i 6.177850433171042 3.5672e-06 deg
node 63.51270671470512 3.5318e-05 deg
peri 256.3867442637754 3.6864e-05 deg
M 335.4178666732558 1.0573e-05 deg
tp 2459085.913427842974
(2020-Aug-24.41342784)
3.6712e-05 TDB
period 1250.861087390543
3.42
5.0019e-06
1.369e-08
d
yr
n .2878017420391631 1.1509e-09 deg/d
Q 2.66663765580862 7.1089e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2403  
   data-arc span      19099 days (52.29 yr)  
   first obs. used      1968-04-22  
   last obs. used      2020-08-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44617  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 23:07:39  

Additional Information
 Earth MOID = .876063 au 
 Jupiter MOID = 2.64176 au 
 T_jup = 3.584 
[ 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 13.1   n/a MPO384786  
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. 2019-August); 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

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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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