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 ]  
46560 (1991 PZ1)
Classification: Main-belt Asteroid          SPK-ID: 2046560
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2155423165693848 3.0296e-08  
a 2.344869547870673 8.0753e-09 au
q 1.839450933469622 6.8645e-08 au
i 1.721150862729652 2.7652e-06 deg
node 79.58389402064327 0.00018026 deg
peri 165.4916453095871 0.00018085 deg
M 106.9834248217921 1.6304e-05 deg
tp 2458810.746115118343
(2019-Nov-23.24611512)
5.8601e-05 TDB
period 1311.524647777172
3.59
6.775e-06
1.855e-08
d
yr
n .2744896945780953 1.4179e-09 deg/d
Q 2.850288162271724 9.8159e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1083  
   data-arc span      10739 days (29.40 yr)  
   first obs. used      1991-08-02  
   last obs. used      2020-12-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52051  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:49:59  

Additional Information
 Earth MOID = .824707 au 
 Jupiter MOID = 2.17385 au 
 T_jup = 3.529 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.62   n/a E2021B10  

46560 (1991 PZ1)          Discovered 1991-Aug-02 by Elst, E. W. at La Silla
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1991 PZ1 = 2001 BW20 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jun-21 04:43 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin