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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1208804301410612 3.4639e-08  
a 3.172490261347406 1.5874e-08 au
q 2.788998273937404 1.1174e-07 au
i 1.547584288432307 4.2988e-06 deg
node 159.1424353401698 0.00013087 deg
peri 317.8542202342071 0.0001319 deg
M 208.0854308080921 1.7184e-05 deg
tp 2459871.455164797138
(2022-Oct-18.95516480)
0.00010025 TDB
period 2063.948579749988
5.65
1.5491e-05
4.241e-08
d
yr
n .1744229500347377 1.3091e-09 deg/d
Q 3.555982248757409 1.7793e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2590  
   data-arc span      42086 days (115.23 yr)  
   first obs. used      1905-03-26  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48057  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 15:16:13  

Additional Information
 Earth MOID = 1.80549 au 
 Jupiter MOID = 1.53168 au 
 T_jup = 3.190 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456177.5 (2012-Sep-07.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1158988088138793 3.3618e-08  
q 2.807771633160358 1.0726e-07 au
tp 2455721.900462838011
(2011-Jun-09.40046284)
0.0001023 TDB
node 159.5182641162296 0.00013135 deg
peri 315.2072176531269 0.00013256 deg
i 1.54330061913589 4.2919e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2590  
   data-arc span      42086 days (115.23 yr)  
   first obs. used      1905-03-26  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48057  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 15:16:13  

Additional Information
 Jupiter MOID = 1.53168 au 
 T_jup = 3.190 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.130138157672775E-15 -3.577200793089919E-15 8.240573664195662E-13 -9.772681256143485E-17 1.445342217317459E-13 5.981387575425567E-17
q -3.577200793089919E-15 1.150547711348184E-14 -2.531243792908674E-12 1.287447124952061E-14 -4.523057879754151E-13 9.262057564958181E-17
tp 8.240573664195662E-13 -2.531243792908674E-12 1.046600738974798E-8 -2.304829332929757E-11 1.846913948065403E-9 -6.077802453850447E-13
node -9.772681256143485E-17 1.287447124952061E-14 -2.304829332929757E-11 1.725388979349425E-8 -1.724962820310487E-8 3.213872741541531E-11
peri 1.445342217317459E-13 -4.523057879754151E-13 1.846913948065403E-9 -1.724962820310487E-8 1.757089097136132E-8 -3.219631500302748E-11
i 5.981387575425567E-17 9.262057564958181E-17 -6.077802453850447E-13 3.213872741541531E-11 -3.219631500302748E-11 1.842022592430615E-11

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 11.2   n/a MPO492755 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. 2019-August); 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.]
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 1.78650644440398 1.7865053106167 1.78650757819056 2.18283071522745 1.9535878181776 2415363.271686650 2.37164249546907 55.7411829801472 12.7414414926783 83.9054464867715 1474761.53699477 T 38 CATAB v2.0f-lin.ifort 2020-Jun-23 15:16:24 2020-Jun-23 15:16
1987-Feb-14 04:25 < 00:01 Jupiter 1.74875409176666 1.74875353936815 1.74875464416507 2.71345183751688 2.5286568505035 2446840.684070660 0.730416096097018 46.9332993450085 11.117149823906 80.9937296611875 2462009.06869751 T 38 CATAB v2.0f-lin.ifort 2020-Jun-23 15:16:24 2020-Jun-23 15:16
1997-Oct-17 09:01 < 00:01 Jupiter 1.57251453516132 1.57251414244968 1.57251492787261 1.76349307741698 1.42570110964879 2450738.875888331 0.463300694092234 58.8981350188299 36.0892523599774 80.2702850380625 2311403.24725788 T 38 CATAB v2.0f-lin.ifort 2020-Jun-23 15:16:24 2020-Jun-23 15:16
2008-Jun-30 07:51 < 00:01 Jupiter 1.64505092748407 1.64505060742457 1.64505124754338 1.7933469656536 1.47861780434688 2454647.827371054 0.240114177490531 52.6765544084827 24.8329645122752 -87.4240799543147 2941433.19289945 T 38 CATAB v2.0f-lin.ifort 2020-Jun-23 15:16:24 2020-Jun-23 15:16
2019-Mar-15 15:39 < 00:01 Jupiter 1.9156890290064 1.91568866108894 1.91568939692386 2.64024308069077 2.46710009658771 2458558.152402406 0.264391896998613 41.9271138187023 9.91400994532394 -89.6344494676025 3748403.34845604 T 38 CATAB v2.0f-lin.ifort 2020-Jun-23 15:16:24 2020-Jun-23 15:16
2094-Sep-06 14:46 00:02 Jupiter 1.90999779189084 1.9099969585229 1.90999862525933 3.53390439714004 3.40610403411743 2486127.115337654 1.64049653457807 73.6669287739641 17.6338494009903 67.8961833078168 2872121.65734106 T 38 CATAB v2.0f-lin.ifort 2020-Jun-23 15:16:24 2020-Jun-23 15:16
2105-May-06 04:51 00:02 Jupiter 1.6346880307353 1.63468737315699 1.6346886883139 2.14998219598921 1.89370339246268 2490020.702052949 1.90554348389137 94.0309186432616 10.1277843264734 -85.1658562032218 2023876.5114656 T 38 CATAB v2.0f-lin.ifort 2020-Jun-23 15:16:24 2020-Jun-23 15:16
2116-Jan-11 10:42 00:02 Jupiter 1.5648963830903 1.56489594419164 1.56489682198951 1.64996335156737 1.28056647593563 2493922.945584528 2.12836738642064 102.984796075055 51.0556052877758 -89.5171604527497 2575639.36539142 T 38 CATAB v2.0f-lin.ifort 2020-Jun-23 15:16:24 2020-Jun-23 15:16
2126-Sep-22 04:00 00:02 Jupiter 1.75217577934217 1.75217465364353 1.7521769050399 2.1165998095869 1.87434550600147 2497829.666538100 2.40889105326883 47.0577762263093 12.975686836703 -88.9512298907035 1318663.93169726 T 38 CATAB v2.0f-lin.ifort 2020-Jun-23 15:16:24 2020-Jun-23 15:16

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 ]
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