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 ]  
561 Ingwelde (A905 FC)
Classification: Main-belt Asteroid          SPK-ID: 2000561
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 .1216482981752402 1.8919e-08  
a 3.169813368011279 1.3472e-08 au
q 2.784210966259581 6.6307e-08 au
i 1.548773691870727 6.2602e-07 deg
node 159.1371236232694 2.232e-05 deg
peri 318.1049687381635 1.9048e-05 deg
M 242.7575524948214 9.3082e-06 deg
tp 2459871.822713056509
(2022-Oct-19.32271306)
5.5452e-05 TDB
period 2061.336843805383
5.64
1.3142e-05
3.598e-08
d
yr
n .1746439457878281 1.1134e-09 deg/d
Q 3.555415769762978 1.5111e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3224  
   data-arc span      42303 days (115.82 yr)  
   first obs. used      1905-03-26  
   last obs. used      2021-01-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4448  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 11:04:54  

Additional Information
 Earth MOID = 1.80059 au 
 Jupiter MOID = 1.53124 au 
 T_jup = 3.190 
[ 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 11.33   n/a E2021B10 IRAS observations used: 7
diameter diameter 31.562 km 0.466 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 12.012 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Strabla, L.; Quadri, U.; Girelli, R.; Pilcher, F. (2012) Minor Planet Bull. 39, 154-155.]
[Durech, J.; Hanus, J. (2018) Astron. Astrophys. 620, A91.]
[Behrend, R. (2020) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Erasmus, N.; Navarro-Meza, S.; McNeill, A.; Trilling, D.E.; et al. (2020) Ap. J. Suppl. Ser. 247, A13.]
geometric albedo albedo 0.058   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
B-V BV 0.745   0.047 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=7.10, mean=7.31, max.=7.51) deg.
Tholen spectral type spec_T XCU   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 1 color indices

561 Ingwelde (A905 FC)          Discovered 1905-Mar-26 by Wolf, M. at Heidelberg
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
1900-Dec-09 18:31 00:02 Jupiter 1.78650642922165 1.78650541862321 1.78650743981949 2.18283072459809 1.95358782792605 2415363.271841465 2.10274906641874 30.4904836212363 2.5519124631532 69.4648441676827 4053262.123389 T 46 CATAB v2.0f-lin.ifort 2021-Apr-12 11:06:42 2021-Apr-12 11:06
1987-Feb-14 04:25 < 00:01 Jupiter 1.7487541665417 1.74875383365313 1.74875449943036 2.71345237881652 2.52865744061002 2446840.684117849 0.629064142504742 30.9306778211971 2.97409229170719 74.9191277839492 10937041.1928768 T 46 CATAB v2.0f-lin.ifort 2021-Apr-12 11:06:42 2021-Apr-12 11:06
1997-Oct-17 09:01 < 00:01 Jupiter 1.57251464899142 1.57251451719401 1.57251478078882 1.76349369705813 1.42570190553737 2450738.875913447 0.380054910277784 22.9938706900111 13.4076856228764 -81.9634480237387 6524154.54196953 T 46 CATAB v2.0f-lin.ifort 2021-Apr-12 11:06:42 2021-Apr-12 11:06
2008-Jun-30 07:51 < 00:01 Jupiter 1.6450510621613 1.64505089582835 1.64505122849414 1.79334744884947 1.47861842082491 2454647.827360636 0.152601597256051 14.6819372526531 10.3194519798886 27.2296307691289 5741475.5428479 T 46 CATAB v2.0f-lin.ifort 2021-Apr-12 11:06:42 2021-Apr-12 11:06
2019-Mar-15 15:39 < 00:01 Jupiter 1.91568912390864 1.91568896136073 1.91568928645645 2.64024335157744 2.46710039635386 2458558.152370343 0.175784685023328 5.92907198509687 4.21413858109562 -89.5723087395157 8957026.1982474 T 46 CATAB v2.0f-lin.ifort 2021-Apr-12 11:06:42 2021-Apr-12 11:06
2094-Sep-06 14:46 00:01 Jupiter 1.90999748192267 1.90999680108118 1.90999816276459 3.53390293521754 3.40610249693192 2486127.114969064 1.45047408114669 58.7079728246894 5.40845338635627 63.9277433655215 10053900.9335888 T 46 CATAB v2.0f-lin.ifort 2021-Apr-12 11:06:42 2021-Apr-12 11:06
2105-May-06 04:50 00:02 Jupiter 1.63468792076905 1.63468739764169 1.63468844389715 2.14998177895878 1.89370290209964 2490020.701645239 1.69238633170406 74.1533230191087 2.34274344470961 -82.4415567981636 9431084.25667512 T 46 CATAB v2.0f-lin.ifort 2021-Apr-12 11:06:42 2021-Apr-12 11:06
2116-Jan-11 10:41 00:02 Jupiter 1.56489662104724 1.56489639835725 1.56489684373785 1.64996403397671 1.2805674218018 2493922.945110489 1.89127439687898 72.8633086951582 20.8620108989622 -74.9467439406793 6093027.63375186 T 46 CATAB v2.0f-lin.ifort 2021-Apr-12 11:06:42 2021-Apr-12 11:06
2126-Sep-22 03:59 00:02 Jupiter 1.75217627502379 1.7521753379288 1.75217721211818 2.11660136192348 1.87434733335937 2497829.665999569 2.14140931433335 15.1731715869426 6.42608022845176 47.1191259936682 2076496.62668872 T 46 CATAB v2.0f-lin.ifort 2021-Apr-12 11:06:42 2021-Apr-12 11:06

Alternate Designations
 A905 FC = 1931 XR = 1942 VM = 1944 DB = 1953 VP = 1967 GP = 1970 SX = 1970 WQ = 1972 BH 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-May-10 09:11 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin