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 ]  
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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 46 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1842525557473393 3.3235e-08  
a 3.095923057134062 9.9993e-09 au
q 2.525491321459996 1.0542e-07 au
i 3.3074266395184 3.5014e-06 deg
node 148.8886803037457 5.07e-05 deg
peri 203.8220460187854 5.1333e-05 deg
M 354.4930297097742 7.9388e-06 deg
tp 2459230.936443067344
(2021-Jan-16.43644307)
4.3919e-05 TDB
period 1989.681971535507
5.45
9.6395e-06
2.639e-08
d
yr
n .1809334381826737 8.7657e-10 deg/d
Q 3.666354792808129 1.1842e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3651  
   data-arc span      41787 days (114.41 yr)  
   first obs. used      1906-08-24  
   last obs. used      2021-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42527  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 00:50:40  

Additional Information
 Earth MOID = 1.51883 au 
 Jupiter MOID = 1.77174 au 
 T_jup = 3.194 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456794.5 (2014-May-17.0) TDB
Reference: JPL 46 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1875631280459589 3.3019e-08  
q 2.513279727055375 1.0499e-07 au
tp 2457247.170183378609
(2015-Aug-12.67018338)
4.1991e-05 TDB
node 149.0565774169042 5.0839e-05 deg
peri 204.5576023780135 5.1457e-05 deg
i 3.3040840256358 3.4991e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      3651  
   data-arc span      41787 days (114.41 yr)  
   first obs. used      1906-08-24  
   last obs. used      2021-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42527  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 00:50:40  

Additional Information
 Jupiter MOID = 1.77174 au 
 T_jup = 3.194 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.090241001792994E-15 -3.457251265264143E-15 -1.748225573779497E-13 1.192842054755945E-15 -2.930965211181333E-15 -3.886398527066548E-16
q -3.457251265264143E-15 1.102230208490512E-14 5.452232665620142E-13 -4.386640362035311E-15 4.72799718152196E-15 1.250785326779398E-15
tp -1.748225573779497E-13 5.452232665620142E-13 1.76327280643285E-9 1.095330982613733E-12 3.413433321728061E-10 5.152482957359184E-13
node 1.192842054755945E-15 -4.386640362035311E-15 1.095330982613733E-12 2.584644659987737E-9 -2.579732954538909E-9 5.474432799517624E-12
peri -2.930965211181333E-15 4.72799718152196E-15 3.413433321728061E-10 -2.579732954538909E-9 2.647857268919973E-9 -5.380220807917701E-12
i -3.886398527066548E-16 1.250785326779398E-15 5.152482957359184E-13 5.474432799517624E-12 -5.380220807917701E-12 1.224375401003901E-11

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 10.75   n/a E2021B10  
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. 2020-October); 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.]
[Behrend, R. (2020) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
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 2021-Feb-28 11:03 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin