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91595 (1999 TZ9)
Classification: Main-belt Asteroid          SPK-ID: 2091595
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1995692661921432 4.2598e-08  
a 2.798779452052802 1.3212e-08 au
q 2.240229090572976 1.1899e-07 au
i 3.476073438722501 5.1122e-06 deg
node 53.97076891407819 7.3748e-05 deg
peri 19.39960795568247 7.5229e-05 deg
M 148.4229987792158 1.2922e-05 deg
tp 2458495.400927817265
(2019-Jan-11.90092782)
6.0589e-05 TDB
period 1710.217877778995
4.68
1.211e-05
3.316e-08
d
yr
n .2104994952266085 1.4905e-09 deg/d
Q 3.357329813532627 1.5848e-08 au
  Orbit Determination Parameters
   # obs. used (total)      813  
   data-arc span      8425 days (23.07 yr)  
   first obs. used      1997-05-01  
   last obs. used      2020-05-25  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52899  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 14:46:41  

Additional Information
 Earth MOID = 1.25493 au 
 Jupiter MOID = 1.93459 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 15.2   n/a MPO337941  
diameter diameter 2.338 km 0.398 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.295   0.066 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

91595 (1999 TZ9)          Discovered 1999-Oct-09 by Comba, P. G. at Prescott
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ hide close-approach data ]
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
1960-Nov-08 16:17 00:01 Jupiter 1.94775343879496 1.94775305727399 1.94775382031594 1.96802679371552 1.73302810358859 2437247.178719784 1.22836073947636 64.6260193490807 18.5016276193129 89.7380052282412 2476937.91697788 T 27 CATAB v2.0f-lin.ifort 2021-Apr-13 14:46:43 2021-Apr-13 14:46
1984-Jan-29 06:14 < 00:01 Jupiter 1.94498053048915 1.94498020230441 1.94498085867367 1.84262163236274 1.5887955994967 2445728.760006400 0.718627248444419 63.5249257303549 23.867669960656 82.9543381308186 2603718.18613788 T 27 CATAB v2.0f-lin.ifort 2021-Apr-13 14:46:43 2021-Apr-13 14:46
2007-Apr-18 13:14 < 00:01 Jupiter 1.9839807016853 1.98398027587281 1.98398112749767 1.91202782673149 1.67391420535036 2454209.051202075 0.310078064687645 67.843603691448 22.0898380413691 84.2041133429549 2202755.51713351 T 27 CATAB v2.0f-lin.ifort 2021-Apr-13 14:46:43 2021-Apr-13 14:46
2139-Mar-21 07:40 00:02 Jupiter 1.96695703503511 1.96695644930354 1.96695762076691 2.15834839925723 1.94864469494645 2502392.819672587 2.39586254021866 83.3989775900788 16.6069583616354 -83.0699052661282 1922832.1910795 T 27 CATAB v2.0f-lin.ifort 2021-Apr-13 14:46:43 2021-Apr-13 14:46
2162-Jun-08 09:03 00:03 Jupiter 1.93455403028845 1.93455370371368 1.93455435686322 1.87661209917945 1.6266516790938 2510872.877275296 2.84041937687232 97.3349545377395 29.2585488880004 -78.6920802704602 2490835.68080191 T 27 CATAB v2.0f-lin.ifort 2021-Apr-13 14:46:43 2021-Apr-13 14:46
2185-Aug-27 00:15 00:03 Jupiter 1.94590801315853 1.94590736222185 1.94590866409498 1.82207913825265 1.5650573477198 2519353.510432865 3.35637627404421 80.0848589471833 27.9791967783476 88.5831138930807 2159564.51680645 T 27 CATAB v2.0f-lin.ifort 2021-Apr-13 14:46:43 2021-Apr-13 14:46

Alternate Designations
 1999 TZ9 = 1997 JW18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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