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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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1995599506459303 4.2572e-08  
a 2.799107917443028 1.327e-08 au
q 2.240518079585464 1.1892e-07 au
i 3.475912970952337 5.1149e-06 deg
node 53.97182532745293 7.3878e-05 deg
peri 19.44383631142042 7.5356e-05 deg
M 106.2676974921613 1.2883e-05 deg
tp 2458495.575247908948
(2019-Jan-12.07524791)
6.0699e-05 TDB
period 1710.518953948231
4.68
1.2164e-05
3.33e-08
d
yr
n .2104624442594136 1.4966e-09 deg/d
Q 3.357697755300591 1.5918e-08 au
  Orbit Determination Parameters
   # obs. used (total)      809  
   data-arc span      8425 days (23.07 yr)  
   first obs. used      1997-05-01  
   last obs. used      2020-05-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52927  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:39:18  

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 1.94775343126239 1.94775304931184 1.94775381321294 1.96802666914523 1.73302795976991 2437247.178711328 1.22911374758075 64.7287882966588 18.5186436861018 89.729424051099 2474564.86647516 T 26 CATAB v2.0f-lin.ifort 2020-Nov-12 20:39:20 2020-Nov-12 20:39
1984-Jan-29 06:14 < 00:01 Jupiter 1.94498053272376 1.94498020444272 1.94498086100458 1.84262151551134 1.58879546277781 2445728.759994594 0.719060138331054 63.6049781560524 23.8732020240402 82.9649362301562 2603282.06879739 T 26 CATAB v2.0f-lin.ifort 2020-Nov-12 20:39:20 2020-Nov-12 20:39
2007-Apr-18 13:14 < 00:01 Jupiter 1.98398069856684 1.98398027273891 1.98398112439467 1.91202777114418 1.67391414004592 2454209.051198693 0.310180776583351 67.8760792700181 22.0923436899358 84.2134600969944 2202735.77404914 T 26 CATAB v2.0f-lin.ifort 2020-Nov-12 20:39:20 2020-Nov-12 20:39
2139-Mar-21 07:41 00:02 Jupiter 1.96695721676937 1.96695663105362 1.96695780248534 2.15834974075452 1.94864620000607 2502392.820234036 2.39684784306572 83.4750560647513 16.6205562162694 -83.0838905766894 1921909.65379048 T 26 CATAB v2.0f-lin.ifort 2020-Nov-12 20:39:20 2020-Nov-12 20:39
2162-Jun-08 09:04 00:03 Jupiter 1.93455410172598 1.93455377505003 1.93455442840204 1.8766128846225 1.62665259368492 2510872.878006690 2.84140586348732 97.4137223703609 29.2807931715845 -78.7207403047584 2490056.9488917 T 26 CATAB v2.0f-lin.ifort 2020-Nov-12 20:39:20 2020-Nov-12 20:39
2185-Aug-27 00:16 00:03 Jupiter 1.94590782535166 1.94590717419526 1.94590847650784 1.82207885686616 1.56505699174306 2519353.511304054 3.35726282166452 80.1548959401425 27.9796120035542 88.5730737663604 2159006.92333202 T 26 CATAB v2.0f-lin.ifort 2020-Nov-12 20:39:20 2020-Nov-12 20:39

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