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 ]  
74997 (1999 TP274)
Classification: Main-belt Asteroid          SPK-ID: 2074997
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1572685274226602 4.846e-08  
a 2.310960020276196 1.3123e-08 au
q 1.947518740954717 1.1224e-07 au
i 2.722178737899967 5.3149e-06 deg
node 290.0999915807073 0.00010718 deg
peri 37.23477995252856 0.0001085 deg
M 215.6753404451293 1.8917e-05 deg
tp 2459114.928612660326
(2020-Sep-22.42861266)
6.9839e-05 TDB
period 1283.178502751349
3.51
1.093e-05
2.992e-08
d
yr
n .2805533284949053 2.3898e-09 deg/d
Q 2.674401299597674 1.5187e-08 au
  Orbit Determination Parameters
   # obs. used (total)      389  
   data-arc span      7176 days (19.65 yr)  
   first obs. used      1999-08-12  
   last obs. used      2019-04-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54766  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 07:18:29  

Additional Information
 Earth MOID = .935818 au 
 Jupiter MOID = 2.6429 au 
 T_jup = 3.566 
[ 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 16.7   n/a MPO432303  

74997 (1999 TP274)          Discovered 1999-Oct-06 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ 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 2019-Dec-16 05:04 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin