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 ]  
97145 (1999 VX144)
Classification: Main-belt Asteroid          SPK-ID: 2097145
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 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1277631625434 5.2282e-08  
a 2.557958229790546 1.1697e-08 au
q 2.231145396698589 1.388e-07 au
i 14.3431724177773 6.651e-06 deg
node 313.7880914676014 1.3664e-05 deg
peri 49.75073092969151 2.9937e-05 deg
M 25.17662809939905 2.6473e-05 deg
tp 2458895.995819640172
(2020-Feb-16.49581964)
0.00010958 TDB
period 1494.302762903982
4.09
1.025e-05
2.806e-08
d
yr
n .2409150333767617 1.6525e-09 deg/d
Q 2.884771062882503 1.3191e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1761  
   data-arc span      7472 days (20.46 yr)  
   first obs. used      1999-07-23  
   last obs. used      2020-01-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46554  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 14:37:01  

Additional Information
 Earth MOID = 1.25162 au 
 Jupiter MOID = 2.58126 au 
 T_jup = 3.382 
[ 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 13.4   n/a MPO264035  
diameter diameter 5.825 km 0.129 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.249   0.030 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

97145 (1999 VX144)          Discovered 1999-Nov-13 by CSS at Catalina
Reference: 20050224/Numbers.arcLast Updated: 2005-02-28

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jun-01 13:41 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin