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3748 Tatum (1981 JQ)
Classification: Main-belt Asteroid          SPK-ID: 2003748
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1514129190482357 1.2098e-08  
a 2.534082997514305 6.233e-09 au
q 2.150390093750161 3.1738e-08 au
i 5.978484494503279 1.1214e-06 deg
node 33.76220305746484 8.2177e-06 deg
peri 110.4976589099606 9.204e-06 deg
M 51.39364034948422 6.3139e-06 deg
tp 2459186.152885113333
(2020-Dec-02.65288511)
2.5707e-05 TDB
period 1473.43058098744
4.03
5.4362e-06
1.488e-08
d
yr
n .2443277645009519 9.0145e-10 deg/d
Q 2.917775901278449 7.1768e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3567  
   data-arc span      24440 days (66.91 yr)  
   first obs. used      1954-07-29  
   last obs. used      2021-06-27  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .39792  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-07 22:41:59  

Additional Information
 Earth MOID = 1.17169 au 
 Jupiter MOID = 2.10461 au 
 T_jup = 3.425 
[ show covariance matrix ]

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 MPCxxxxx  
rotation period rot_per 58.21 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:
[Brinsfield, J.W.; Higgins, D. (2010) Minor Planet Bull. 37, 21.]

3748 Tatum (1981 JQ)          Discovered 1981-May-03 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

Alternate Designations
 1981 JQ = 1979 VT2 = 1983 VB4 = 1985 GN1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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