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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 48 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .184252571927701 1.6536e-08  
a 3.095923051481376 9.4381e-09 au
q 2.525491266755676 5.1978e-08 au
i 3.307423834097768 1.0469e-06 deg
node 148.888661465227 1.089e-05 deg
peri 203.8220608667843 1.2554e-05 deg
M 354.4930365349571 4.6654e-06 deg
tp 2459230.936405261921
(2021-Jan-16.43640526)
2.5814e-05 TDB
period 1989.681966086221
5.45
9.0985e-06
2.491e-08
d
yr
n .1809334386782092 8.2738e-10 deg/d
Q 3.666354836207076 1.1177e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3686  
   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      .42405  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 11:34:57  

Additional Information
 Earth MOID = 1.51883 au 
 Jupiter MOID = 1.77174 au 
 T_jup = 3.194 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456833.5 (2014-Jun-25.0) TDB
Reference: JPL 48 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1875517229284195 1.6644e-08  
q 2.51336883900317 5.2677e-08 au
tp 2457247.151408852645
(2015-Aug-12.65140885)
2.5089e-05 TDB
node 149.0558674662603 1.0927e-05 deg
peri 204.5511546923515 1.2502e-05 deg
i 3.30409154053706 1.0467e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      3686  
   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      .42405  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 11:34:57  

Additional Information
 Jupiter MOID = 1.77174 au 
 T_jup = 3.194 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.770191388289093E-16 -8.675744439378039E-16 1.733598933777021E-13 -6.313088760783297E-14 1.045939060288609E-13 -7.837562174675492E-15
q -8.675744439378039E-16 2.774827511326391E-15 -5.73804235292152E-13 2.012182476052207E-13 -3.390656976317665E-13 2.499060927813696E-14
tp 1.733598933777021E-13 -5.73804235292152E-13 6.294484476971006E-10 1.241274838856389E-11 1.460514821356372E-10 -2.194414530760976E-12
node -6.313088760783297E-14 2.012182476052207E-13 1.241274838856389E-11 1.194005666028154E-10 -1.176458205153784E-10 9.187495132211282E-12
peri 1.045939060288609E-13 -3.390656976317665E-13 1.460514821356372E-10 -1.176458205153784E-10 1.563007679795022E-10 -9.742746596652234E-12
i -7.837562174675492E-15 2.499060927813696E-14 -2.194414530760976E-12 9.187495132211282E-12 -9.742746596652234E-12 1.095559337002127E-12

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 1.77514558239042 1.77514543071824 1.7751457340628 1.80870659492385 1.52220440670391 2418285.656030377 1.55828414321823 79.7336109195398 10.9518373452383 -81.5264516938971 6352738.31402384 T 48 CATAB v2.0f-lin.ifort 2021-Apr-12 11:35:57 2021-Apr-12 11:35
1969-Aug-09 15:38 < 00:01 Jupiter 1.84568242358695 1.845682155774 1.84568269139991 1.94963179642635 1.69800531409539 2440443.151725428 0.663206263216321 35.0305098982737 7.60888815839125 -88.8115696432392 4958984.88336977 T 48 CATAB v2.0f-lin.ifort 2021-Apr-12 11:35:57 2021-Apr-12 11:35
1979-Jul-23 09:52 < 00:01 Jupiter 1.82295861636965 1.82295844674577 1.82295878599352 2.05318752235163 1.81281430076615 2444077.910844610 0.50935662605347 22.2629098627482 3.26604497285256 -79.9166161991844 7719038.19622896 T 48 CATAB v2.0f-lin.ifort 2021-Apr-12 11:35:57 2021-Apr-12 11:35
2040-Mar-23 00:13 < 00:01 Jupiter 1.78522836835367 1.78522819813158 1.78522853857565 1.77738410083336 1.4866643247028 2466236.508769604 0.420044525521906 27.3883642529445 15.0759928234889 -89.2965235713715 5122921.12754392 T 48 CATAB v2.0f-lin.ifort 2021-Apr-12 11:35:57 2021-Apr-12 11:35
2050-Mar-03 02:31 < 00:01 Jupiter 1.91209812197234 1.91209781136647 1.91209843257821 2.53451114200222 2.35324996224345 2469868.605039275 0.580905536676188 14.765645492263 4.09835273138373 74.057789538759 5624089.1685685 T 48 CATAB v2.0f-lin.ifort 2021-Apr-12 11:35:57 2021-Apr-12 11:35
2100-Nov-19 18:44 00:01 Jupiter 1.9457682867199 1.94576778400564 1.94576878943438 2.30946916585383 2.11258548413551 2488392.280337120 1.29387940733942 49.9460021588859 2.03300475200522 -84.9146439370089 5450078.79732174 T 48 CATAB v2.0f-lin.ifort 2021-Apr-12 11:35:57 2021-Apr-12 11:35
2110-Nov-04 08:27 00:01 Jupiter 1.77878983137541 1.77878964406952 1.7787900186818 1.81153254712516 1.52620182245704 2492028.851955211 1.47085035468392 78.8038333477072 11.6334402918626 -82.7441957147579 6228146.75906179 T 48 CATAB v2.0f-lin.ifort 2021-Apr-12 11:35:57 2021-Apr-12 11:35
2171-Jul-04 17:19 00:02 Jupiter 1.84771294623472 1.84771233257684 1.84771355989459 1.93616652001582 1.68282718963734 2514186.221546629 2.360902877101 118.498546135904 7.58416378594295 86.6255261103032 5031928.38855143 T 48 CATAB v2.0f-lin.ifort 2021-Apr-12 11:35:57 2021-Apr-12 11:35
2181-Jun-16 18:21 00:03 Jupiter 1.83271221519244 1.83271161928188 1.83271281110457 2.07036130325491 1.83359161496253 2517821.264447983 2.54045385978029 105.144011669832 3.68404030063644 -84.4822866225679 7930032.02639025 T 48 CATAB v2.0f-lin.ifort 2021-Apr-12 11:35:57 2021-Apr-12 11:35

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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