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 ]  
117988 (4300 T-1)
Classification: Main-belt Asteroid          SPK-ID: 2117988
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1504785064809023 4.8974e-08  
a 2.447256726138909 1.3889e-08 au
q 2.078997189014184 1.1862e-07 au
i 2.905936275900079 4.8278e-06 deg
node 129.8969670736441 9.9715e-05 deg
peri 86.79617060572764 0.00010089 deg
M 180.39091923249 1.5908e-05 deg
tp 2459298.159500183557
(2021-Mar-24.65950018)
6.2992e-05 TDB
period 1398.355912701231
3.83
1.1904e-05
3.259e-08
d
yr
n .2574451874019549 2.1916e-09 deg/d
Q 2.815516263263634 1.5978e-08 au
  Orbit Determination Parameters
   # obs. used (total)      488  
   data-arc span      17789 days (48.70 yr)  
   first obs. used      1971-03-24  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56573  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 09:50:47  

Additional Information
 Earth MOID = 1.0745 au 
 Jupiter MOID = 2.15592 au 
 T_jup = 3.480 
[ 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 16.2   n/a MPO412805  

117988 (4300 T-1)          Discovered 1971-Mar-26 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 4300 T-1 = 1998 HP6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Dec-16 02:30 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin