Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457522.5 (2016-May-14.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .225691761818962 5.0253e-08  
q 2.20023393307141 1.4336e-07 au
tp 2456730.450888162309
(2014-Mar-13.95088816)
6.7672e-05 TDB
node 299.394375916622 2.4647e-05 deg
peri 89.7066377851683 2.9626e-05 deg
i 11.63948673523423 6.125e-06 deg
  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
 Jupiter MOID = 2.17474 au 
 T_jup = 3.242 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.525335919173728E-15 -7.175590545643059E-15 -1.928901738686953E-12 1.714820440443597E-14 -5.491631210030259E-13 -6.970519986715157E-15
q -7.175590545643059E-15 2.05525959028256E-14 5.395906407900367E-12 -5.123082670802451E-14 1.56013816525894E-12 2.031076356232934E-14
tp -1.928901738686953E-12 5.395906407900367E-12 4.57956488183562E-9 -2.526398086778878E-11 1.128115831141027E-9 8.20675141418523E-12
node 1.714820440443597E-14 -5.123082670802451E-14 -2.526398086778878E-11 6.074956855086417E-10 -6.012309049560062E-10 6.444805022892242E-11
peri -5.491631210030259E-13 1.56013816525894E-12 1.128115831141027E-9 -6.012309049560062E-10 8.777047128663492E-10 -6.079720013651486E-11
i -6.970519986715157E-15 2.031076356232934E-14 8.20675141418523E-12 6.444805022892242E-11 -6.079720013651486E-11 3.75158734448262E-11

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

[ show close-approach data ]
Alternate Designations
 1999 TN190 = 1995 YW12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Mar-29 16:31 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin