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JPL Small-Body Database Browser
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91757 (1999 TN190)
Classification: Main-belt Asteroid          SPK-ID: 2091757
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 .2274161721435383 5.0586e-08  
a 2.839032838008635 1.6526e-08 au
q 2.193390857398905 1.4505e-07 au
i 11.64451836692968 6.1241e-06 deg
node 299.3044490007679 2.4656e-05 deg
peri 89.78828540615541 2.9513e-05 deg
M 107.4629252763487 1.4076e-05 deg
tp 2458478.932876364263
(2018-Dec-26.43287636)
6.7265e-05 TDB
period 1747.245982984514
4.78
1.5256e-05
4.177e-08
d
yr
n .2060385335012046 1.799e-09 deg/d
Q 3.484674818618366 2.0284e-08 au
  Orbit Determination Parameters
   # obs. used (total)      717  
   data-arc span      8810 days (24.12 yr)  
   first obs. used      1995-12-19  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51543  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 22:36:43  

Additional Information
 Earth MOID = 1.23537 au 
 Jupiter MOID = 2.17474 au 
 T_jup = 3.242 
[ 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 15.1   n/a MPO453358  
diameter diameter 3.025 km 0.425 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.193   0.077 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

91757 (1999 TN190)          Discovered 1999-Oct-12 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
2081-Sep-05 06:55 00:04 Amphi 0.0218970023711322 0.0218804209843392 0.0219136014125897 4.54912351831502 4.54912346060375 2481377.788097266 3.68225038272615 1285.79467693842 78.7548930907127 -50.0997387293452 31937.4477318534 T 25 CATAB v2.0f-lin.ifort 2020-Feb-23 22:36:45 2020-Feb-23 22:36

Alternate Designations
 1999 TN190 = 1995 YW12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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