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 ]  
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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 53 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07442484788518916 2.2382e-08  
a 3.375328847159464 1.1697e-08 au
q 3.12412051114713 7.5904e-08 au
i 4.668654346651625 8.7699e-07 deg
node 205.9405348049243 2.2175e-05 deg
peri 175.6050038425019 1.9147e-05 deg
M 95.39946035291038 1.5549e-05 deg
tp 2458796.272373356027
(2019-Nov-08.77237336)
9.6963e-05 TDB
period 2265.022724368464
6.20
1.1774e-05
3.224e-08
d
yr
n .1589388027444076 8.2618e-10 deg/d
Q 3.626537183171798 1.2567e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3671  
   data-arc span      52806 days (144.57 yr)  
   first obs. used      1876-10-14  
   last obs. used      2021-05-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .42248  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 10:37:20  

Additional Information
 Earth MOID = 2.12616 au 
 Jupiter MOID = 1.81584 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 8.09   n/a E2021B10 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. 2020-October); 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 21:14 00:02 Jupiter 1.78633199610422 1.78633176808768 1.78633222412076 2.82286547432247 2.64957210137407 2419251.384899411 1.69574330173685 74.4999822948529 7.4006979154613 88.6499998290298 6567148.24763292 T 53 CATAB v2.0g-lin.ifort 2021-Jul-08 10:38:51 2021-Jul-08 10:38
1924-Aug-03 22:50 00:02 Jupiter 1.76342565214788 1.76342543165489 1.76342587264087 2.77448888312606 2.59559873548979 2424001.451077736 1.51063405596694 35.0841420903017 7.73033061850839 -87.4786870400939 7315737.10052891 T 53 CATAB v2.0g-lin.ifort 2021-Jul-08 10:38:51 2021-Jul-08 10:38
1937-Aug-24 18:36 00:01 Jupiter 1.74567759702346 1.74567741118384 1.74567778286307 2.7624259677328 2.58080890616429 2428770.275052554 1.33610701602805 22.2895445560648 5.66162619360708 -84.2664642545387 7893133.64288482 T 53 CATAB v2.0g-lin.ifort 2021-Jul-08 10:38:51 2021-Jul-08 10:38
1950-Sep-29 20:27 00:01 Jupiter 1.71701912142981 1.71701893823038 1.71701930462923 3.01646620818407 2.84823605207975 2433554.352037374 1.12140312602035 47.423017878098 5.50074516209354 -84.4941340465357 7003532.7316885 T 53 CATAB v2.0g-lin.ifort 2021-Jul-08 10:38:51 2021-Jul-08 10:38
1963-Nov-02 04:08 < 00:01 Jupiter 1.70849905398003 1.70849883649643 1.70849927146363 3.39675900308937 3.24752702852448 2438335.672010610 0.881654959554468 45.3973238351079 8.29103396474175 -88.4418893834717 6786917.02602669 T 53 CATAB v2.0g-lin.ifort 2021-Jul-08 10:38:51 2021-Jul-08 10:38
1976-Nov-25 11:33 < 00:01 Jupiter 1.74741791876628 1.74741769409101 1.74741814344155 3.48634617126134 3.3444212489728 2443107.981594811 0.657969533674218 29.9967822894232 8.75456037505844 86.6200680323208 6772150.28997065 T 53 CATAB v2.0g-lin.ifort 2021-Jul-08 10:38:51 2021-Jul-08 10:38
1989-Dec-16 22:14 < 00:01 Jupiter 1.81472520766963 1.81472501144623 1.81472540389302 3.24287663208584 3.09560161833496 2447877.426505679 0.443553810309875 10.5506394566067 7.1334580763797 80.4576147125399 6892328.08554788 T 53 CATAB v2.0g-lin.ifort 2021-Jul-08 10:38:51 2021-Jul-08 10:38
2003-Jan-07 09:40 < 00:01 Jupiter 1.87063295968987 1.87063276840292 1.87063315097681 2.96166088966852 2.80460965641257 2452646.902833616 0.225096119854919 11.8562178429502 5.71245532685107 74.8799928029953 8076820.37050919 T 53 CATAB v2.0g-lin.ifort 2021-Jul-08 10:38:51 2021-Jul-08 10:38
2016-Jan-20 14:10 < 00:01 Jupiter 1.87467309398585 1.87467287121727 1.87467331675443 2.85346803906455 2.69047052027507 2457408.090309737 0.0902503669166712 14.9070935229784 5.34244098464506 63.7854403083817 8053688.99416637 T 53 CATAB v2.0g-lin.ifort 2021-Jul-08 10:38:51 2021-Jul-08 10:38
2029-Jan-19 16:37 < 00:01 Jupiter 1.83424242261275 1.83424217468511 1.83424267054038 2.84841190790355 2.68139586886651 2462156.192541854 0.273563653581896 23.1764888662048 6.79615017496412 75.9828918380594 6711230.09149566 T 53 CATAB v2.0g-lin.ifort 2021-Jul-08 10:38:51 2021-Jul-08 10:38
2042-Jan-14 14:21 < 00:01 Jupiter 1.78921402509327 1.78921376919927 1.78921428098728 2.81674263323816 2.64333680375292 2466899.097969790 0.506783605565364 30.6094645282636 8.0394915642508 85.3001680518784 6310992.17166492 T 53 CATAB v2.0g-lin.ifort 2021-Jul-08 10:38:51 2021-Jul-08 10:38
2055-Jan-17 03:04 < 00:01 Jupiter 1.75967066446623 1.75967042293943 1.75967090599303 2.71913461850839 2.53593914534154 2471649.627676289 0.770747221595434 21.8417225911883 8.10197204363982 -89.7435536380317 6671060.09402912 T 53 CATAB v2.0g-lin.ifort 2021-Jul-08 10:38:51 2021-Jul-08 10:38
2068-Feb-07 14:45 00:01 Jupiter 1.73153713449 1.73153694166035 1.73153732731955 2.67865535462509 2.48934670373927 2476419.114396306 1.05691054112325 20.0387884971792 5.16389881017222 -80.0174939274936 7330941.87515497 T 53 CATAB v2.0g-lin.ifort 2021-Jul-08 10:38:51 2021-Jul-08 10:38
2081-Mar-15 12:19 00:01 Jupiter 1.70401258890921 1.70401242718263 1.70401275063571 2.96897639581493 2.79654613883549 2481204.013492917 1.30149475908947 58.9482543721919 4.92300531006459 -85.1855379589882 7562354.49504122 T 53 CATAB v2.0g-lin.ifort 2021-Jul-08 10:38:51 2021-Jul-08 10:38
2094-Apr-16 21:09 00:02 Jupiter 1.70049909271233 1.70049886421178 1.70049932121318 3.3760534616128 3.22514067498316 2485984.381500592 1.49556199370066 80.7527400712335 7.64183717182365 88.0723782249421 7435758.02796487 T 53 CATAB v2.0g-lin.ifort 2021-Jul-08 10:38:51 2021-Jul-08 10:38
2107-May-11 12:32 00:02 Jupiter 1.74662651983093 1.7466261883992 1.74662685126327 3.48047749567375 3.33823728944839 2490756.021905485 1.69764713652513 72.3909999095367 8.80052774782623 80.4422211483724 6590732.63530799 T 53 CATAB v2.0g-lin.ifort 2021-Jul-08 10:38:51 2021-Jul-08 10:38
2120-Jun-03 15:45 00:02 Jupiter 1.82535388208066 1.82535355660401 1.82535420755742 3.27169357890803 3.12664596420144 2495528.156192393 1.91585907987828 23.2192041403994 8.19926054830056 49.7961845732311 6665970.21340536 T 53 CATAB v2.0g-lin.ifort 2021-Jul-08 10:38:51 2021-Jul-08 10:38
2133-Jun-26 15:53 00:02 Jupiter 1.88369238637259 1.88369217929427 1.88369259345091 3.03029835629132 2.8780873248528 2500299.161793237 2.11352272635684 56.453661222241 7.23018735009522 -84.8524589152151 7868600.83665725 T 53 CATAB v2.0g-lin.ifort 2021-Jul-08 10:38:51 2021-Jul-08 10:38
2146-Jul-08 19:30 00:02 Jupiter 1.88303857189101 1.88303830307656 1.88303884070632 2.92720900551498 2.76928128359485 2505059.312320392 2.27983253943691 97.6548077962116 7.2297173560135 85.4818508631759 8665198.64101253 T 53 CATAB v2.0g-lin.ifort 2021-Jul-08 10:38:51 2021-Jul-08 10:38
2159-Jul-08 23:37 00:02 Jupiter 1.83951758051038 1.83951721292576 1.83951794809699 2.89209744607139 2.72824294090274 2509807.483800285 2.45731239654095 120.0500549536 6.68601325651375 83.6530173954525 7312318.28131671 T 53 CATAB v2.0g-lin.ifort 2021-Jul-08 10:38:51 2021-Jul-08 10:38
2172-Jul-02 15:34 00:03 Jupiter 1.79222490060412 1.79222453677903 1.79222526443095 2.81615633259607 2.64301295740384 2514550.148462359 2.70609096176064 121.321945982927 7.60157230036651 85.3408335403212 6463224.03465834 T 53 CATAB v2.0g-lin.ifort 2021-Jul-08 10:38:51 2021-Jul-08 10:38
2185-Jul-05 02:43 00:03 Jupiter 1.75459354659758 1.75459321973404 1.75459387346158 2.6649292855143 2.47716706593555 2519300.613192781 3.06091972668691 69.7027592308332 7.93758074338122 85.6201357348203 6363427.65082033 T 53 CATAB v2.0g-lin.ifort 2021-Jul-08 10:38:51 2021-Jul-08 10:38
2198-Jul-29 09:31 00:03 Jupiter 1.71964279999026 1.71964252868991 1.7196430712909 2.60738650603533 2.4110889473659 2524072.896791000 3.45754545805239 58.0080280997282 4.50062044477724 -76.6930622229073 6735462.76022635 T 53 CATAB v2.0g-lin.ifort 2021-Jul-08 10:38:51 2021-Jul-08 10:38

Alternate Designations
 A876 SA = 1949 MO = A911 HF 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jul-28 21:42 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin