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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 
[ 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 10.75   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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1908-Dec-10 03:44 00:02 Jupiter 1.7751456684751 1.7751453368923 1.7751460000579 1.8087070153149 1.52220491968856 2418285.655840138 1.6060260505081 89.0274925249025 24.6582624940914 -78.5640146012391 2929816.0677545 T 46 CATAB v2.0f-lin.ifort 2021-Feb-24 00:50:48 2021-Feb-24 00:50
1969-Aug-09 15:38 < 00:01 Jupiter 1.84568241374778 1.84568208729264 1.84568274020282 1.94963187081731 1.69800539657646 2440443.151678156 0.68614582242313 50.7729668635917 13.3133009294868 -82.7097823650739 3170965.84038189 T 46 CATAB v2.0f-lin.ifort 2021-Feb-24 00:50:48 2021-Feb-24 00:50
1979-Jul-23 09:52 < 00:01 Jupiter 1.822958690822 1.8229583723954 1.82295900924849 2.05318782107655 1.81281464815313 2444077.910833248 0.518612325975832 37.9856614148007 11.0587551261312 -85.7660209413733 3156155.3709449 T 46 CATAB v2.0f-lin.ifort 2021-Feb-24 00:50:48 2021-Feb-24 00:50
2040-Mar-23 00:13 < 00:01 Jupiter 1.78522842144174 1.78522809990953 1.78522874297373 1.77738435267242 1.4866646335169 2466236.508843417 0.451244034768684 48.4550597481104 28.4509774359604 -79.691137526844 2793531.48019568 T 46 CATAB v2.0f-lin.ifort 2021-Feb-24 00:50:48 2021-Feb-24 00:50
2050-Mar-03 02:31 < 00:01 Jupiter 1.91209809874402 1.91209772975696 1.91209846773109 2.53451102687943 2.35324983492655 2469868.605181272 0.629782307775082 32.8725256406835 6.51353949253614 83.5879178323852 3365548.23873464 T 46 CATAB v2.0f-lin.ifort 2021-Feb-24 00:50:48 2021-Feb-24 00:50
2100-Nov-19 18:44 00:01 Jupiter 1.94576853148776 1.94576795809308 1.94576910488266 2.30947037687866 2.11258683280518 2488392.280873780 1.34647903920099 61.3733123889676 3.3174286788158 -84.4575942046372 2798281.1074652 T 46 CATAB v2.0f-lin.ifort 2021-Feb-24 00:50:48 2021-Feb-24 00:50
2110-Nov-04 08:28 00:02 Jupiter 1.77878980204765 1.77878948800777 1.77879011608734 1.81153239928782 1.52620164011306 2492028.852605830 1.54018494809208 91.5084453904389 25.2399315964645 -83.9479435122355 2946592.38078786 T 46 CATAB v2.0f-lin.ifort 2021-Feb-24 00:50:48 2021-Feb-24 00:50
2171-Jul-04 17:21 00:02 Jupiter 1.84771340819933 1.84771269221769 1.84771412418275 1.93616817276182 1.68282915779643 2514186.222815152 2.45648649205697 127.915740815749 15.6655865211733 87.0134083661523 2774771.14978388 T 46 CATAB v2.0f-lin.ifort 2021-Feb-24 00:50:48 2021-Feb-24 00:50
2181-Jun-16 18:23 00:03 Jupiter 1.83271181139033 1.83271118754769 1.83271243523442 2.07035928037936 1.83358927394671 2517821.265823994 2.65266407677347 115.622159736848 10.5241115010655 -85.2836691655384 3074458.54355499 T 46 CATAB v2.0f-lin.ifort 2021-Feb-24 00:50:48 2021-Feb-24 00:50

Alternate Designations
 A917 SV = 1933 QQ = 1934 XL = A906 SE 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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