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
JPL Small-Body Database Browser
Search: [ help ]  
70504 (1999 TR99)
Classification: Main-belt Asteroid          SPK-ID: 2070504
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06459144340080943 3.5134e-08  
a 2.609619467598305 1.2851e-08 au
q 2.441060379459279 9.5425e-08 au
i 21.7922713630929 7.3048e-06 deg
node 181.0883303389541 1.0689e-05 deg
peri 278.1636061227368 6.262e-05 deg
M 298.6763708416178 6.0151e-05 deg
tp 2459462.794721048337
(2021-Sep-05.29472105)
0.00025688 TDB
period 1539.799598838556
4.22
1.1374e-05
3.114e-08
d
yr
n .2337966578712852 1.727e-09 deg/d
Q 2.778178555737332 1.3681e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1021  
   data-arc span      7769 days (21.27 yr)  
   first obs. used      1999-10-02  
   last obs. used      2021-01-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57982  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 06:41:09  

Additional Information
 Earth MOID = 1.53744 au 
 Jupiter MOID = 2.33354 au 
 T_jup = 3.306 
[ 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 14.88   n/a E2021B10  
diameter diameter 2.698 km 0.368 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.239   0.091 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

70504 (1999 TR99)          Discovered 1999-Oct-02 by LINEAR at Socorro
Reference: 20031109/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 2021-Mar-01 17:59 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin