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 ]  
865 Zubaida (A917 CH)
Classification: Main-belt Asteroid          SPK-ID: 2000865
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


[ revert to old Java-based viewer ]

Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1941118331615229 2.9413e-08  
a 2.418054597477947 6.8744e-09 au
q 1.948681586876855 7.0493e-08 au
i 13.34393919128498 4.1596e-06 deg
node 176.9159845794439 1.7236e-05 deg
peri 302.0386605810912 2.125e-05 deg
M 191.8123753038558 1.3519e-05 deg
tp 2459642.136582666470
(2022-Mar-03.63658267)
5.2307e-05 TDB
period 1373.401700495177
3.76
5.8568e-06
1.604e-08
d
yr
n .2621228733517678 1.1178e-09 deg/d
Q 2.88742760807904 8.2089e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2511  
   data-arc span      40742 days (111.55 yr)  
   first obs. used      1908-11-29  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44306  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 15:22:00  

Additional Information
 Earth MOID = .997375 au 
 Jupiter MOID = 2.26824 au 
 T_jup = 3.453 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456339.5 (2013-Feb-16.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1940925132510325 2.939e-08  
q 1.947861402442975 7.0448e-08 au
tp 2456894.924320717973
(2014-Aug-25.42432072)
4.9866e-05 TDB
node 177.092623654513 1.7246e-05 deg
peri 301.6132686831482 2.1276e-05 deg
i 13.33812807769594 4.162e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2511  
   data-arc span      40742 days (111.55 yr)  
   first obs. used      1908-11-29  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44306  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 15:22:00  

Additional Information
 Jupiter MOID = 2.26824 au 
 T_jup = 3.453 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.637951380880221E-16 -2.064548064126744E-15 -4.624014740998145E-14 4.471366204184505E-15 -3.908635257673474E-14 1.33220856486143E-15
q -2.064548064126744E-15 4.962974142388833E-15 1.436417793979247E-13 -1.077664650841223E-14 9.762287570698288E-14 -3.123930488762653E-15
tp -4.624014740998145E-14 1.436417793979247E-13 2.486658244786244E-9 1.434379600239241E-12 6.371098469349463E-10 -5.070377405836955E-13
node 4.471366204184505E-15 -1.077664650841223E-14 1.434379600239241E-12 2.974216899382749E-10 -2.884683466650443E-10 2.514180060956177E-11
peri -3.908635257673474E-14 9.762287570698288E-14 6.371098469349463E-10 -2.884683466650443E-10 4.526780301043534E-10 -2.465958707125925E-11
i 1.33220856486143E-15 -3.123930488762653E-15 -5.070377405836955E-13 2.514180060956177E-11 -2.465958707125925E-11 1.73222838658072E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 11.7   n/a MPO337250  
diameter diameter 17.77 km 1.1 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 4
rotation period rot_per 11.3533 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Bembrick, C.; Crawford, G.; Bolt, G.; Allen, B. (2007) Minor Planet Bull. 34, 84.]
[Higgins, D.; Oey, J. (2007) Minor Planet Bull. 34, 79-80.]
geometric albedo albedo 0.0972   0.014 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 4

865 Zubaida (A917 CH)          Discovered 1917-Feb-15 by Wolf, M. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 A917 CH = 1936 FK1 = 1970 GQ1 = A908 WF 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jul-14 11:07 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin