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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1734290472328983 1.0362e-08  
a 2.271269496064528 5.501e-09 au
q 1.877365391352912 2.4649e-08 au
i 6.177483203904302 6.8302e-07 deg
node 63.50148117012325 6.1054e-06 deg
peri 256.3562861157559 8.339e-06 deg
M 33.02334770261085 6.5511e-06 deg
tp 2459085.811459597045
(2020-Aug-24.31145960)
2.2754e-05 TDB
period 1250.263144635684
3.42
4.5422e-06
1.244e-08
d
yr
n .2879393842365088 1.0461e-09 deg/d
Q 2.665173600776145 6.4551e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2807  
   data-arc span      19286 days (52.80 yr)  
   first obs. used      1968-04-22  
   last obs. used      2021-02-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43183  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 15:32:52  

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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