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JPL Small-Body Database Browser
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552 Sigelinde (A904 XB)
Classification: Main-belt Asteroid          SPK-ID: 2000552
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09025901997197341 3.6798e-08  
a 3.152816401380644 1.5475e-08 au
q 2.868246282840464 1.207e-07 au
i 7.696348991582506 4.1263e-06 deg
node 266.9179906918742 3.1108e-05 deg
peri 347.5158265096048 3.9123e-05 deg
M 42.62691033903372 2.4328e-05 deg
tp 2458758.381595546860
(2019-Oct-01.88159555)
0.00013792 TDB
period 2044.779340324721
5.60
1.5054e-05
4.122e-08
d
yr
n .1760581168346655 1.2962e-09 deg/d
Q 3.437386519920826 1.6872e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3785  
   data-arc span      42165 days (115.44 yr)  
   first obs. used      1904-11-17  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .39177  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 01:08:09  

Additional Information
 Earth MOID = 1.85395 au 
 Jupiter MOID = 1.63236 au 
 T_jup = 3.187 
[ 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 9.6   n/a MPO358629  
diameter diameter 88.697 km 0.966 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 17.156 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Oey, J. (2009) Minor Planet Bull. 36, 4-6.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.036   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

552 Sigelinde (A904 XB)          Discovered 1904-Dec-14 by Wolf, M. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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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
1903-Mar-21 17:19 00:02 Jupiter 1.98920857694108 1.98920770901413 1.9892094448695 3.69202991784396 3.57483808242411 2416195.221348262 2.42000319783131 114.386365197806 19.4698724186459 -76.8918047046003 2679072.78156414 T 35 CATAB v2.0f-lin.ifort 2020-May-20 01:08:24 2020-May-20 01:08
1977-Nov-15 19:34 < 00:01 Jupiter 1.76117914015768 1.76117867405066 1.7611796062647 3.31975362898398 3.17157421459384 2443463.315389014 0.783855699391022 71.5144755020102 20.0366109095815 87.6872282174286 3489197.92468101 T 35 CATAB v2.0f-lin.ifort 2020-May-20 01:08:24 2020-May-20 01:08
1988-Jun-12 18:02 < 00:01 Jupiter 1.68140169362867 1.68140128224181 1.68140210501553 2.6949624446871 2.50106038625637 2447325.251502204 0.574731841646952 53.1356401972903 16.3190373934371 -78.7176040879941 2847877.73827728 T 35 CATAB v2.0f-lin.ifort 2020-May-20 01:08:24 2020-May-20 01:08
1998-Dec-01 20:46 < 00:01 Jupiter 1.87436976903561 1.8743693284196 1.87437020965164 2.83208446094228 2.66775334768956 2451149.365513585 0.360795937373518 43.9135777475705 11.216133006166 -73.6036465982678 3475265.49212316 T 35 CATAB v2.0f-lin.ifort 2020-May-20 01:08:24 2020-May-20 01:08
2073-Jun-29 12:23 00:01 Jupiter 1.91955966637854 1.91955890585168 1.91956042690539 3.53123297712175 3.40398131915153 2478388.015648261 1.26048390844812 70.814079377374 34.8339666632715 -89.5824323611658 3058778.81355646 T 35 CATAB v2.0f-lin.ifort 2020-May-20 01:08:24 2020-May-20 01:08
2084-Feb-04 20:47 00:02 Jupiter 1.68013139203356 1.68013095563794 1.68013182842956 3.08192588396408 2.91375803278151 2482260.365776229 1.52320581400104 114.162667178365 17.0618072434355 88.5445394225325 3211304.93141687 T 35 CATAB v2.0f-lin.ifort 2020-May-20 01:08:24 2020-May-20 01:08
2094-Aug-19 04:34 00:02 Jupiter 1.75525851498055 1.75525781729467 1.75525921266753 2.60831657213421 2.41623460804404 2486108.690022471 1.94927393609384 94.1892220621266 15.514265841183 -70.4204538197386 3071258.66707511 T 35 CATAB v2.0f-lin.ifort 2020-May-20 01:08:24 2020-May-20 01:08
2179-Sep-21 23:19 00:04 Jupiter 1.77357757455941 1.77357613142235 1.7735790177001 3.30146917497712 3.15349674416306 2517187.471801588 3.49996179819634 165.141399012577 32.5905267850056 69.1979341934063 3246460.38922015 T 35 CATAB v2.0f-lin.ifort 2020-May-20 01:08:24 2020-May-20 01:08
2190-Apr-27 06:59 00:04 Jupiter 1.66985798988237 1.66985743358535 1.66985854618737 2.89349296982269 2.71252964521787 2521057.790946249 3.9055568029477 257.373749532011 15.3811896963608 -82.6688074560178 3033906.69858116 T 35 CATAB v2.0f-lin.ifort 2020-May-20 01:08:24 2020-May-20 01:08
2200-Oct-26 17:55 00:04 Jupiter 1.86441522093806 1.86441358736997 1.86441685451346 2.85470191918176 2.69085544166167 2524892.246714812 4.46794115506658 212.030772656634 11.0999715850773 -74.0609237943436 3122348.90236098 T 35 CATAB v2.0f-lin.ifort 2020-May-20 01:08:24 2020-May-20 01:08

Alternate Designations
 A904 XB = 1941 MG 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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