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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 ]

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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 49 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1842525716893064 1.6535e-08  
a 3.095923054702044 9.2098e-09 au
q 2.525491270120979 5.1934e-08 au
i 3.307423859899121 1.0468e-06 deg
node 148.8886616300955 1.089e-05 deg
peri 203.8220601229537 1.2546e-05 deg
M 354.4930364047457 4.6647e-06 deg
tp 2459230.936406029080
(2021-Jan-16.43640603)
2.5809e-05 TDB
period 1989.681969191
5.45
8.8784e-06
2.431e-08
d
yr
n .1809334383958735 8.0736e-10 deg/d
Q 3.666354839283108 1.0907e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3689  
   data-arc span      41787 days (114.41 yr)  
   first obs. used      1906-08-24  
   last obs. used      2021-01-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .42461  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 18:58:19  

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 03:45 00:02 Jupiter 1.775145589038 1.77514543790253 1.77514574017367 1.80870665405629 1.52220447813984 2418285.655910226 1.52037437210155 77.8633230351542 10.9499305671612 -81.4935282115053 6353348.72087548 T 49 CATAB v2.0g-lin.ifort 2021-May-03 18:59:31 2021-May-03 18:59
1969-Aug-09 15:38 < 00:01 Jupiter 1.84568240524557 1.84568213972847 1.84568267076278 1.94963168950972 1.69800518864905 2440443.151656542 0.647556580538332 34.2685219517406 7.60870808507205 -88.7924985010103 4959087.04514788 T 49 CATAB v2.0g-lin.ifort 2021-May-03 18:59:31 2021-May-03 18:59
1979-Jul-23 09:52 < 00:01 Jupiter 1.8229586218077 1.82295845249428 1.82295879112101 2.05318752575221 1.81281430538222 2444077.910814077 0.497707966368955 21.8710683851205 3.2660434522333 -79.9169240607576 7724022.68421022 T 49 CATAB v2.0g-lin.ifort 2021-May-03 18:59:31 2021-May-03 18:59
2040-Mar-23 00:13 < 00:01 Jupiter 1.78522837141443 1.78522820129098 1.78522854153788 1.77738412000636 1.48666434817228 2466236.508808926 0.410411099321767 26.8898678320636 15.0697056577887 -89.0419322148255 5123308.55889961 T 49 CATAB v2.0g-lin.ifort 2021-May-03 18:59:31 2021-May-03 18:59
2050-Mar-03 02:31 < 00:01 Jupiter 1.91209809429755 1.91209778826417 1.91209840033082 2.53451105240791 2.35324986302354 2469868.605078087 0.567129972145379 14.544394240932 4.09417155302538 74.194136807805 5643481.53352982 T 49 CATAB v2.0g-lin.ifort 2021-May-03 18:59:31 2021-May-03 18:59
2100-Nov-19 18:44 00:01 Jupiter 1.94576833795255 1.94576784495684 1.94576883094848 2.30946935287343 2.11258569401008 2488392.280433461 1.26220833315974 48.7337261463797 2.03280040185126 -84.9071733548177 5450126.46705666 T 49 CATAB v2.0g-lin.ifort 2021-May-03 18:59:31 2021-May-03 18:59
2110-Nov-04 08:27 00:01 Jupiter 1.77878981692886 1.778789631762 1.77879000209622 1.81153249258323 1.52620175518428 2492028.852062636 1.43483330424268 76.9200025704994 11.6321295965592 -82.7153325077203 6228292.17160304 T 49 CATAB v2.0g-lin.ifort 2021-May-03 18:59:31 2021-May-03 18:59
2171-Jul-04 17:19 00:02 Jupiter 1.84771301272751 1.84771241241634 1.84771361304046 1.93616673456121 1.68282744628425 2514186.221731293 2.30292610687166 115.596050878039 7.58415321120346 86.6256383988213 5031932.45155134 T 49 CATAB v2.0g-lin.ifort 2021-May-03 18:59:31 2021-May-03 18:59
2181-Jun-16 18:21 00:02 Jupiter 1.83271214897225 1.83271156684065 1.8327127311053 2.07036098400699 1.83359124538306 2517821.264650950 2.47807479067532 102.579419404634 3.68399367131225 -84.4799665884662 7930046.43559975 T 49 CATAB v2.0g-lin.ifort 2021-May-03 18:59:31 2021-May-03 18:59

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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