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 ]  
885 Ulrike (A917 SV)
Classification: Main-belt Asteroid          SPK-ID: 2000885
[ 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 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1850349962439468 3.5121e-08  
a 3.098675100179167 1.2955e-08 au
q 2.525311764656303 1.095e-07 au
i 3.305556031377212 3.7122e-06 deg
node 148.8978166931558 6.3174e-05 deg
peri 203.7812400261643 6.376e-05 deg
M 318.393653838418 1.029e-05 deg
tp 2459230.760565883708
(2021-Jan-16.26056588)		 5.7784e-05 TDB
period 1992.335577755594
5.45		 1.2495e-05
3.421e-08		 d
yr
n .180692451622807 1.1332e-09 deg/d
Q 3.672038435702031 1.5352e-08 au
   Orbit Determination Parameters
   # obs. used (total)      2969  
   data-arc span      41267 days (112.98 yr)  
   first obs. used      1906-08-24  
   last obs. used      2019-08-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46442  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 15:39:36  

Additional Information
 Earth MOID = 1.52037 au 
 Jupiter MOID = 1.76533 au 
 T_jup = 3.193 
[ 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 10.7   n/a MPO347520  
diameter diameter 30.537 km 0.756 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 4.90 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Behrend, R. (2004) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Menke, J. (2005) Minor Planet Bull. 32, 85-88.]
[Durech, J.; Hanus, J.; Oszkiewsicz, D.; Vanco, R. (2016) Astron. Astrophys. 587, A48.]
geometric albedo albedo 0.109   0.025 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

885 Ulrike (A917 SV)          Discovered 1917-Sep-23 by Belyavskij, S. at Simeis
Independent discovery Sept. 26 by M. Wolf, Heidelberg, was announced first.
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 A917 SV = 1933 QQ = 1934 XL = A906 SE 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Feb-28 06:54 UT
(server date/time)   		NASA Home Page
Site Manager:   Ryan S. Park
Webmaster:   Alan B. Chamberlin