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 ]  
173870 (2001 TZ220)
Classification: Main-belt Asteroid          SPK-ID: 2173870
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2620544439368211 3.9099e-08  
a 2.614486809950934 1.8365e-08 au
q 1.929348922789089 1.0148e-07 au
i 17.69219717191489 4.5173e-06 deg
node 8.111025662510256 1.7064e-05 deg
peri 218.4810660475834 2.0367e-05 deg
M 292.3278628900169 1.5751e-05 deg
tp 2459290.758870354820
(2021-Mar-17.25887035)
6.9596e-05 TDB
period 1544.109552176687
4.23
1.6269e-05
4.454e-08
d
yr
n .2331440793773462 2.4565e-09 deg/d
Q 3.299624697112779 2.3177e-08 au
  Orbit Determination Parameters
   # obs. used (total)      687  
   data-arc span      7805 days (21.37 yr)  
   first obs. used      1998-12-12  
   last obs. used      2020-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53968  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 03:31:30  

Additional Information
 Earth MOID = .95093 au 
 Jupiter MOID = 1.7937 au 
 T_jup = 3.294 
[ 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 14.8   n/a MPO320790  
diameter diameter 5.870 km 1.870 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  
geometric albedo albedo 0.062   0.055 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  

173870 (2001 TZ220)          Discovered 2001-Oct-14 by LINEAR at Socorro
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

[ 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-Sep-22 21:56 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin