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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01784827279303546 2.0527e-08  
a 3.182215560006677 1.6697e-08 au
q 3.125418508605435 7.1196e-08 au
i 22.20362675989312 4.4072e-07 deg
node 46.18972206116724 8.7982e-07 deg
peri 86.32920384118708 2.8657e-05 deg
M 253.6416818146494 2.8423e-05 deg
tp 2459813.078542063418
(2022-Aug-21.57854206)
0.00016283 TDB
period 2073.446430005744
5.68
1.6319e-05
4.468e-08
d
yr
n .1736239696334969 1.3665e-09 deg/d
Q 3.239012611407918 1.6995e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2764  
   data-arc span      22761 days (62.32 yr)  
   first obs. used      1958-11-11  
   last obs. used      2021-03-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .40849  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 14:59:07  

Additional Information
 Earth MOID = 2.17024 au 
 Jupiter MOID = 1.79483 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 11.55   n/a MPCxxxxx  
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. 2020-October); 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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