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JPL Small-Body Database Browser
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91689 (1999 TJ127)
Classification: Main-belt Asteroid          SPK-ID: 2091689
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1948986649786859 4.1218e-08  
a 3.14461887300976 2.6209e-08 au
q 2.531736852793378 1.3084e-07 au
i 5.371366138671674 4.9137e-06 deg
node 177.9333600137238 5.4384e-05 deg
peri 196.633567388748 5.5981e-05 deg
M 260.645198498178 1.5401e-05 deg
tp 2459562.630061464808
(2021-Dec-14.13006146)
9.1638e-05 TDB
period 2036.809686783179
5.58
2.5463e-05
6.971e-08
d
yr
n .1767469991605172 2.2096e-09 deg/d
Q 3.757500893226143 3.1317e-08 au
  Orbit Determination Parameters
   # obs. used (total)      469  
   data-arc span      7151 days (19.58 yr)  
   first obs. used      1999-10-03  
   last obs. used      2019-05-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53335  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 22:35:44  

Additional Information
 Earth MOID = 1.53312 au 
 Jupiter MOID = 1.70551 au 
 T_jup = 3.173 
[ 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 MPO436412  
diameter diameter 5.208 km 0.255 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.059   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

91689 (1999 TJ127)          Discovered 1999-Oct-04 by LINEAR at Socorro
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
1947-Jan-24 17:07 00:03 Jupiter 1.82079640913435 1.82079531328396 1.82079750498743 2.15378641990009 1.92572300571113 2432210.213522353 2.88689857189112 146.327574601661 18.5214348537674 -81.5637167289239 2194339.09018156 T 14 CATAB v2.0f-lin.ifort 2020-Feb-23 22:35:57 2020-Feb-23 22:36
1957-Aug-15 01:03 00:02 Jupiter 1.73296949328277 1.73296908282232 1.73296990374302 1.98112837778119 1.71677918912325 2436065.543830185 2.27968420578618 152.044100633315 34.1428753276604 -89.7364884300435 2111046.63238267 T 14 CATAB v2.0f-lin.ifort 2020-Feb-23 22:35:57 2020-Feb-23 22:36
1968-Feb-29 03:19 00:02 Jupiter 1.89525613945877 1.8952553068834 1.89525697203447 2.4015595782948 2.20763540066208 2439915.637948631 1.83463008247235 85.5757745890572 15.282355374693 80.0840525813447 2028932.97178872 T 14 CATAB v2.0f-lin.ifort 2020-Feb-23 22:35:57 2020-Feb-23 22:36
2042-Apr-20 09:16 00:01 Jupiter 1.8520105629205 1.8520100544068 1.8520110714343 2.20133645610971 1.98271941279125 2466994.885794634 1.18700464785321 68.7686298085311 15.1144352809964 -80.5363519859479 2417721.0551309 T 14 CATAB v2.0f-lin.ifort 2020-Feb-23 22:35:57 2020-Feb-23 22:36
2052-Nov-04 10:31 00:02 Jupiter 1.72652510845112 1.72652469555124 1.72652552135089 1.95959556916731 1.69080666911252 2470845.938262384 1.66529660831468 115.309597623417 35.4355565656391 -88.7443395297686 2101441.66285749 T 14 CATAB v2.0f-lin.ifort 2020-Feb-23 22:35:57 2020-Feb-23 22:36
2063-May-24 23:49 00:02 Jupiter 1.8597690429604 1.85976817183501 1.85976991408685 2.31911084488995 2.11361895963859 2474699.492407393 2.24612274817171 110.439694154189 17.7927310903088 80.9119623739301 2135260.84846626 T 14 CATAB v2.0f-lin.ifort 2020-Feb-23 22:35:57 2020-Feb-23 22:36
2137-Jul-19 18:26 00:05 Jupiter 1.88414198005992 1.88414037099907 1.88414358912238 2.2857597936984 2.07980550696913 2501783.268251866 5.33720346097497 141.831369615596 10.5732064553727 -81.1405620502141 1718440.1234165 T 14 CATAB v2.0f-lin.ifort 2020-Feb-23 22:35:57 2020-Feb-23 22:36
2148-Jan-30 01:40 00:06 Jupiter 1.72967753370695 1.72967710075093 1.72967796666709 1.9287113066837 1.65545400613897 2505629.569672932 5.63176539509172 339.671259658098 37.1396637884162 -86.2313490742708 2110794.23369305 T 14 CATAB v2.0f-lin.ifort 2020-Feb-23 22:35:57 2020-Feb-23 22:36
2158-Aug-21 21:17 00:06 Jupiter 1.8235952118646 1.82359327633679 1.82359714740753 2.23646025181983 2.01811683055285 2509486.387089571 6.2505692766427 310.006552069665 20.2160865456523 82.9512724347891 2100332.1719328 T 14 CATAB v2.0f-lin.ifort 2020-Feb-23 22:35:57 2020-Feb-23 22:36
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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