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3325 TARDIS (1984 JZ)
Classification: Main-belt Asteroid          SPK-ID: 2003325
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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01772107228882637 3.6109e-08  
a 3.182189138776138 1.8877e-08 au
q 3.125797335011168 1.1975e-07 au
i 22.20381035953636 4.9672e-06 deg
node 46.1893875615241 1.0678e-05 deg
peri 86.64687454247341 0.00014401 deg
M 218.5805163469827 0.00014404 deg
tp 2459815.005754552472
(2022-Aug-23.50575455)
0.00083101 TDB
period 2073.420607010072
5.68
1.845e-05
5.051e-08
d
yr
n .1736261319979498 1.545e-09 deg/d
Q 3.238580942541109 1.9212e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2483  
   data-arc span      22628 days (61.95 yr)  
   first obs. used      1958-11-11  
   last obs. used      2020-10-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41448  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:01:14  

Additional Information
 Earth MOID = 2.17096 au 
 Jupiter MOID = 1.79572 au 
 T_jup = 3.083 
[ 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 11.5   n/a MPO492790  
diameter diameter 28.238 km 0.469 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 11.5681 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 sidereal period (not synodic); Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Durech, J.; Hanus, J. (2018) Astron. Astrophys. 620, A91.]
geometric albedo albedo 0.067   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

3325 TARDIS (1984 JZ)          Discovered 1984-May-03 by Skiff, B. A. 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
 1984 JZ = 1958 VB1 = 1969 TP3 = 1975 VC8 = 1975 WF1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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