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168 Sibylla (A876 SA)
Classification: Outer Main-belt Asteroid          SPK-ID: 2000168
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 46 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07406998346248737 3.9283e-08  
a 3.373861222924629 1.4123e-08 au
q 3.123959377937874 1.372e-07 au
i 4.669317664874996 4.3653e-06 deg
node 205.9600224637056 4.8266e-05 deg
peri 175.3661152169489 5.5235e-05 deg
M 32.68466086885661 2.6211e-05 deg
tp 2458794.991054213852
(2019-Nov-07.49105421)
0.0001648 TDB
period 2263.545605685259
6.20
1.4212e-05
3.891e-08
d
yr
n .1590425212091164 9.986e-10 deg/d
Q 3.623763067911383 1.5169e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3371  
   data-arc span      51335 days (140.55 yr)  
   first obs. used      1880-04-13  
   last obs. used      2020-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43371  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:32:38  

Additional Information
 Earth MOID = 2.1267 au 
 Jupiter MOID = 1.8169 au 
 T_jup = 3.143 
[ 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 8.1   n/a MPO502154 IRAS observations used: 6
diameter diameter 145.366 km 3.219 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 47.009 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Pilcher, F.; Benishek, V.; Brinsfield, J.W. (2008) Minor Planet Bull. 35, 104-105.]
geometric albedo albedo 0.056   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
B-V BV 0.745   0.013 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=5; phase (min.=1.40, mean=7.89, max.=17.63) deg.
U-B UB 0.384   0.027 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=5; phase (min.=1.68, mean=11.14, max.=17.66) deg.
Tholen spectral type spec_T C   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices; used ground-based radiometric albedo
SMASSII spectral type spec_B Ch   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

168 Sibylla (A876 SA)          Discovered 1876-Sep-28 by Watson, J. C. at Ann Arbor
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
1911-Aug-02 21:15 00:02 Jupiter 1.7863317862391 1.78633136773402 1.78633220474417 2.82286451851714 2.64957106104134 2419251.385133199 1.90584746193906 90.3202219049129 13.9140495718553 87.151417067898 3102116.52061261 T 46 CATAB v2.0f-lin.ifort 2020-Nov-13 04:32:47 2020-Nov-13 04:32
1924-Aug-03 22:50 00:02 Jupiter 1.76342533666827 1.76342493322219 1.76342574011436 2.77448789770598 2.59559764802506 2424001.451295702 1.68978161019564 58.0496758938623 13.0848508420084 -88.4401134527326 3191815.62419375 T 46 CATAB v2.0f-lin.ifort 2020-Nov-13 04:32:47 2020-Nov-13 04:32
1937-Aug-24 18:36 00:01 Jupiter 1.74567730882065 1.74567689903731 1.74567771860409 2.76242504253992 2.58080788378583 2428770.275258387 1.48818047195086 49.6925515859846 9.86530357226448 -78.1963476565788 3667334.57759231 T 46 CATAB v2.0f-lin.ifort 2020-Nov-13 04:32:47 2020-Nov-13 04:32
1950-Sep-29 20:27 00:01 Jupiter 1.7170190042099 1.71701859557956 1.71701941284034 3.01646549245142 2.8482352812916 2433554.352215803 1.24187742185559 64.6095706890609 12.2675513226906 -81.4237452578959 3567078.06465335 T 46 CATAB v2.0f-lin.ifort 2020-Nov-13 04:32:47 2020-Nov-13 04:32
1963-Nov-02 04:08 < 00:01 Jupiter 1.70849913021222 1.70849873080694 1.70849952961749 3.39675890689237 3.24752693387528 2438335.672164408 0.967001061958766 59.7808907451295 15.4421303508921 -87.9322910557911 3412658.50679172 T 46 CATAB v2.0f-lin.ifort 2020-Nov-13 04:32:47 2020-Nov-13 04:32
1976-Nov-25 11:34 < 00:01 Jupiter 1.74741811731552 1.74741770742093 1.74741852721012 3.48634694958018 3.34442207598824 2443107.981715457 0.715610436949663 46.3487212635778 16.1385348026536 85.6764876751624 3455169.64988703 T 46 CATAB v2.0f-lin.ifort 2020-Nov-13 04:32:47 2020-Nov-13 04:32
1989-Dec-16 22:14 < 00:01 Jupiter 1.81472542088778 1.81472500965252 1.81472583212304 3.24287803804976 3.09560310807089 2447877.426527104 0.487251261461244 43.2660984188157 14.8773503114761 81.8079658886967 3645774.79538785 T 46 CATAB v2.0f-lin.ifort 2020-Nov-13 04:32:47 2020-Nov-13 04:32
2003-Jan-07 09:40 < 00:01 Jupiter 1.87063314105885 1.87063273485806 1.87063354725974 2.9616619749797 2.80461081725997 2452646.902762182 0.296483886559081 43.8928070661314 11.8153192078367 77.6957591869494 3883045.43456155 T 46 CATAB v2.0f-lin.ifort 2020-Nov-13 04:32:47 2020-Nov-13 04:32
2016-Jan-20 14:10 < 00:01 Jupiter 1.8746732239055 1.87467282607644 1.87467362173445 2.85346815565178 2.69047065463613 2457408.090204380 0.281282165478723 42.2148947080689 11.912819001507 79.8831378961686 3688141.83082692 T 46 CATAB v2.0f-lin.ifort 2020-Nov-13 04:32:47 2020-Nov-13 04:32
2029-Jan-19 16:37 < 00:01 Jupiter 1.83424244808796 1.83424205456699 1.83424284160883 2.8484112936055 2.68139521774618 2462156.192340835 0.463148649721669 45.7822312802602 13.5920925016636 87.3959145019273 3315911.70523748 T 46 CATAB v2.0f-lin.ifort 2020-Nov-13 04:32:47 2020-Nov-13 04:32
2042-Jan-14 14:21 < 00:01 Jupiter 1.78921386828969 1.78921347552402 1.78921426105525 2.81674174476159 2.64333584030646 2466899.097663225 0.717156857800175 51.2139339797628 13.3427561663382 -88.3347280618324 3207721.70858569 T 46 CATAB v2.0f-lin.ifort 2020-Nov-13 04:32:47 2020-Nov-13 04:32
2055-Jan-17 03:03 00:01 Jupiter 1.75967035366721 1.7596699576797 1.75967074965472 2.71913363407826 2.53593805522252 2471649.627180723 1.01982269258973 49.3293135964015 11.6906655791411 -83.8079414953247 3344868.23697625 T 46 CATAB v2.0f-lin.ifort 2020-Nov-13 04:32:47 2020-Nov-13 04:32
2068-Feb-07 14:44 00:01 Jupiter 1.73153682731597 1.73153643062111 1.73153722401082 2.67865389578151 2.48934509800834 2476419.113752509 1.34802729202645 48.4087932637653 8.99515760132441 -78.8089568032856 3352619.21675788 T 46 CATAB v2.0f-lin.ifort 2020-Nov-13 04:32:47 2020-Nov-13 04:32
2081-Mar-15 12:18 00:02 Jupiter 1.70401246093792 1.70401207245436 1.70401284942148 2.96897453814586 2.79654415229497 2481204.012772343 1.62920235147418 78.3045572306502 12.2544509009131 -84.0111393014214 3336985.28667458 T 46 CATAB v2.0f-lin.ifort 2020-Nov-13 04:32:47 2020-Nov-13 04:32
2094-Apr-16 21:08 00:02 Jupiter 1.70049911398336 1.70049872156095 1.70049950640578 3.37605264378939 3.22513981997033 2485984.380740474 1.85356731884282 100.191464470041 15.0627062658271 -89.6216454325748 3373643.94271736 T 46 CATAB v2.0f-lin.ifort 2020-Nov-13 04:32:47 2020-Nov-13 04:32
2107-May-11 12:30 00:02 Jupiter 1.74662657010949 1.74662614711872 1.74662699310035 3.48047845531587 3.33823829335951 2490756.021062221 2.08796490346386 92.4959619109774 15.6641138440781 84.6105609307814 3475337.74113908 T 46 CATAB v2.0f-lin.ifort 2020-Nov-13 04:32:47 2020-Nov-13 04:32
2120-Jun-03 15:44 00:02 Jupiter 1.82535396344042 1.82535353922365 1.8253543876573 3.27169572195478 3.12664821246093 2495528.155241753 2.3457558063033 48.1959780237674 15.7209633189905 75.6789356398597 3367692.21398762 T 46 CATAB v2.0f-lin.ifort 2020-Nov-13 04:32:47 2020-Nov-13 04:32
2133-Jun-26 15:51 00:03 Jupiter 1.88369257848282 1.88369219111671 1.88369296584904 3.03030011649898 2.87808919322183 2500299.160738501 2.58125512962794 78.2447227890748 14.8004730931633 88.667095776105 4014548.16678662 T 46 CATAB v2.0f-lin.ifort 2020-Nov-13 04:32:47 2020-Nov-13 04:32
2146-Jul-08 19:28 00:03 Jupiter 1.88303883779841 1.88303839508532 1.88303928051257 2.92720951455095 2.76928184370018 2505059.311213531 2.77420095274705 124.485298494711 12.2241122578703 84.9621795045133 3886338.8912564 T 46 CATAB v2.0f-lin.ifort 2020-Nov-13 04:32:47 2020-Nov-13 04:32
2159-Jul-08 23:35 00:03 Jupiter 1.83951775239617 1.83951726273614 1.83951824205787 2.89209717306177 2.72824266633461 2509807.482678941 2.97612179615549 149.260934121868 13.6490030733699 84.7176557093367 3408334.78200989 T 46 CATAB v2.0f-lin.ifort 2020-Nov-13 04:32:47 2020-Nov-13 04:32
2172-Jul-02 15:32 00:03 Jupiter 1.79222484701301 1.79222439093751 1.79222530308932 2.8161558924913 2.64301248213313 2514550.147298945 3.26470118472837 149.326843093748 14.09554118398 86.9975425326705 3121874.74148676 T 46 CATAB v2.0f-lin.ifort 2020-Nov-13 04:32:47 2020-Nov-13 04:32
2185-Jul-05 02:41 00:04 Jupiter 1.75459333238355 1.75459290528408 1.75459375948303 2.66492876488773 2.47716648097819 2519300.611899253 3.68090908516628 91.9564779848382 13.2795252307722 89.5988463388676 3083098.48891327 T 46 CATAB v2.0f-lin.ifort 2020-Nov-13 04:32:47 2020-Nov-13 04:32
2198-Jul-29 09:29 00:04 Jupiter 1.71964255552645 1.71964213905551 1.71964297199758 2.6073847584948 2.41108702738004 2524072.895308988 4.14356012225833 80.2427660115048 7.66956905075212 -77.9639527599827 3265290.50823925 T 46 CATAB v2.0f-lin.ifort 2020-Nov-13 04:32:47 2020-Nov-13 04:32

Alternate Designations
 A876 SA = 1949 MO = A911 HF 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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