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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457036.5 (2015-Jan-14.0) TDB
Reference: JPL 46 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1160741461988199 1.8553e-08  
q 2.807752092712045 6.4644e-08 au
tp 2457791.834730728761
(2017-Feb-07.33473073)
5.1509e-05 TDB
node 159.4939259138268 2.2476e-05 deg
peri 315.5501513158004 1.8931e-05 deg
i 1.54369672273976 6.2674e-07 deg
  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
 Jupiter MOID = 1.53124 au 
 T_jup = 3.190 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.442103004445173E-16 -1.183228804004601E-15 -5.280269367842682E-13 2.125459072676621E-14 -7.160723693342757E-14 7.457452330992856E-16
q -1.183228804004601E-15 4.17888851520543E-15 1.840763716180076E-12 -4.528845112570689E-14 2.170812257292123E-13 -1.692456115292321E-15
tp -5.280269367842682E-13 1.840763716180076E-12 2.653151389782243E-9 5.748165897230876E-10 -1.865617800670722E-10 1.673329112862209E-11
node 2.125459072676621E-14 -4.528845112570689E-14 5.748165897230876E-10 5.051783986389293E-10 -4.015271701109281E-10 1.349522326347019E-11
peri -7.160723693342757E-14 2.170812257292123E-13 -1.865617800670722E-10 -4.015271701109281E-10 3.583650989220395E-10 -1.051433369176603E-11
i 7.457452330992856E-16 -1.692456115292321E-15 1.673329112862209E-11 1.349522326347019E-11 -1.051433369176603E-11 3.928022908385192E-13

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

[ show close-approach data ]
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-08 02:58 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin