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332617 (2008 TZ91)
Classification: Main-belt Asteroid          SPK-ID: 2332617
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2876848435913992 5.8798e-08  
a 2.653298647317032 3.4775e-08 au
q 1.889984840962361 1.6283e-07 au
i 12.99498724879883 6.7936e-06 deg
node 98.51069136519055 2.829e-05 deg
peri 236.3418285837157 3.151e-05 deg
M 274.9223294816593 2.2397e-05 deg
tp 2459373.570337172951
(2021-Jun-08.07033717)
0.00010414 TDB
period 1578.62010753232
4.32
3.1035e-05
8.497e-08
d
yr
n .2280472662689871 4.4833e-09 deg/d
Q 3.416612453671704 4.478e-08 au
  Orbit Determination Parameters
   # obs. used (total)      210  
   data-arc span      6202 days (16.98 yr)  
   first obs. used      2003-05-30  
   last obs. used      2020-05-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58286  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 17:37:16  

Additional Information
 Earth MOID = .912844 au 
 Jupiter MOID = 2.05775 au 
 T_jup = 3.294 
[ 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 16.1   n/a MPO434082  

332617 (2008 TZ91)          Discovered 2008-Oct-04 by CSS at Catalina
Reference: 20120703/Numbers.arcLast Updated: 2012-07-09

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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1901-Feb-25 08:02 00:02 Psych 0.0215440452483409 0.0215188917270608 0.0215693035089338 4.7070779613558 4.70707784204644 2415440.834478288 2.41766524697044 2685.2530975687 89.5790673551739 62.1685529948713 31799.9154059368 T 16 CATAB v2.0f-lin.ifort 2020-Nov-11 17:37:17 2020-Nov-11 17:37
1966-Feb-06 15:14 00:01 Psych 0.0143669194931275 0.0143627928024623 0.0143710736271809 4.71142692406388 4.71142674531759 2439163.135012554 1.32969735983727 1115.61163606829 88.8458394903412 -80.3608555976206 23834.7770428981 T 16 CATAB v2.0f-lin.ifort 2020-Nov-11 17:37:17 2020-Nov-11 17:37
2031-Jan-20 20:42 00:01 Psych 0.0470813220785778 0.047071560533308 0.0470910836283309 4.56143663886872 4.56143658253053 2462887.362663646 1.18326776487044 486.935753766534 85.8960221725606 2.70827928441628 14948.0525454106 T 16 CATAB v2.0f-lin.ifort 2020-Nov-11 17:37:17 2020-Nov-11 17:37
2095-Dec-31 12:12 00:02 Psych 0.0388929588885404 0.0388526060893193 0.0389333138266244 4.62185190485036 4.62185183754244 2486608.008239076 1.91900634303982 2061.57323349045 86.1554279399653 12.7475361004984 15141.9883277381 T 16 CATAB v2.0f-lin.ifort 2020-Nov-11 17:37:17 2020-Nov-11 17:37

Alternate Designations
 2008 TZ91 = 2003 KA20 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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