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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1995599529684551 4.2873e-08  
a 2.799107916586757 1.3393e-08 au
q 2.240518072399074 1.1994e-07 au
i 3.475912128730316 5.161e-06 deg
node 53.97180901041088 7.5129e-05 deg
peri 19.44385387460941 7.6627e-05 deg
M 106.2676968016008 1.2961e-05 deg
tp 2458495.575251421797
(2019-Jan-12.07525142)
6.1127e-05 TDB
period 1710.518953163338
4.68
1.2277e-05
3.361e-08
d
yr
n .2104624443559869 1.5105e-09 deg/d
Q 3.357697760774441 1.6066e-08 au
  Orbit Determination Parameters
   # obs. used (total)      799  
   data-arc span      8395 days (22.98 yr)  
   first obs. used      1997-05-01  
   last obs. used      2020-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53033  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 16:42:22  

Additional Information
 Earth MOID = 1.25572 au 
 Jupiter MOID = 1.93358 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 1.94775342197285 1.94775303442722 1.94775380951849 1.9680266075797 1.7330278886593 2437247.178727665 1.2324425879195 65.1756301331556 18.6825828016429 89.5045614404297 2431915.63440409 T 25 CATAB v2.0f-lin.ifort 2020-May-20 16:42:37 2020-May-20 16:42
1984-Jan-29 06:14 < 00:01 Jupiter 1.94498052607178 1.94498019243072 1.94498085971274 1.84262140588948 1.5887953347053 2445728.759999678 0.719714905519062 65.1344892973425 24.2351329476263 82.6075902772761 2559173.99285241 T 25 CATAB v2.0f-lin.ifort 2020-May-20 16:42:37 2020-May-20 16:42
2007-Apr-18 13:14 < 00:01 Jupiter 1.98398069849807 1.98398027207005 1.98398112492597 1.91202765977771 1.67391401282876 2454209.051199553 0.311773801464794 69.9179226027752 22.288205405511 83.8491627657004 2187871.22603597 T 25 CATAB v2.0f-lin.ifort 2020-May-20 16:42:37 2020-May-20 16:42
2139-Mar-21 07:41 00:02 Jupiter 1.96695719268142 1.96695658675863 1.96695779860433 2.15834961991122 1.94864606345195 2502392.820204973 2.42184985712052 83.8868702414779 16.8228176412266 -82.9008129734377 1861477.14173101 T 25 CATAB v2.0f-lin.ifort 2020-May-20 16:42:37 2020-May-20 16:42
2162-Jun-08 09:04 00:03 Jupiter 1.93455408899428 1.93455375027446 1.93455442771422 1.87661274925174 1.62665243574093 2510872.877966859 2.86896975432745 98.5001528387977 29.9858643082596 -78.4533704362976 2408731.25764641 T 25 CATAB v2.0f-lin.ifort 2020-May-20 16:42:37 2020-May-20 16:42
2185-Aug-27 00:16 00:03 Jupiter 1.94590782974809 1.94590717821815 1.94590848127781 1.82207876639103 1.56505688703801 2519353.511262647 3.38831259845664 81.8597329449158 28.5771533551367 88.4929825123272 2150741.21023387 T 25 CATAB v2.0f-lin.ifort 2020-May-20 16:42:37 2020-May-20 16:42

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