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 ]  
99 Dike (A868 KA)
Classification: Main-belt Asteroid          SPK-ID: 2000099
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 102 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1950987372771205 2.9728e-08  
a 2.665303715303415 8.0405e-09 au
q 2.145306325987701 8.0776e-08 au
i 13.84663297953428 7.181e-07 deg
node 41.51135717659404 4.7482e-06 deg
peri 195.7448452639 6.9232e-06 deg
M 20.21900474303261 3.5464e-06 deg
tp 2459111.236120609707
(2020-Sep-18.73612061)
1.5541e-05 TDB
period 1589.346112180872
4.35
7.1919e-06
1.969e-08
d
yr
n .2265082459012119 1.025e-09 deg/d
Q 3.185301104619129 9.6091e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3062  
   data-arc span      38778 days (106.17 yr)  
   first obs. used      1915-01-20  
   last obs. used      2021-03-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .36785  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 17:51:34  

Additional Information
 Earth MOID = 1.13617 au 
 Jupiter MOID = 1.82509 au 
 T_jup = 3.315 
[ 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 9.56   n/a E2021B10 IRAS observations used: 3
diameter diameter 67.354 km 0.416 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 18.127 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Behrend, R. (2007) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Pilcher, F. (2011) Minor Planet Bull. 38, 183-185.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
[Hanus, J.; Durech, J.; Oszkiewicz, D.A.; Behrend, R.; et al. (2016) Astron. Astrophys. 586, A108.]
[Behrend, R. (2020) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.065   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
B-V BV 0.703   0.032 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=3; phase (min.=3.84, mean=7.96, max.=15.22) deg.
U-B UB 0.322   0.020 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=3; phase (min.=3.84, mean=7.96, max.=15.22) deg.
Tholen spectral type spec_T C   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices
SMASSII spectral type spec_B Xk   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)

99 Dike (A868 KA)          Discovered 1868-May-28 by Borrelly, A. at Marseille
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
1905-Mar-29 03:02 00:01 Jupiter 1.80997397176176 1.80997377193372 1.80997417159031 3.61444989938488 3.48257062234063 2416933.626222368 1.32655644150999 182.401134734185 7.98675306387844 -89.0601485707487 8661768.36970335 T 102 CATAB v2.0g-lin.ifort 2021-May-03 17:52:28 2021-May-03 17:52
1953-Apr-30 20:07 < 00:01 Jupiter 1.88836516410173 1.88836471328599 1.88836561492563 3.39636629899411 3.26162657855141 2434498.338519827 0.764257299639512 202.894204247564 2.0563861326174 -83.4145448735364 8417709.56705252 T 102 CATAB v2.0g-lin.ifort 2021-May-03 17:52:28 2021-May-03 17:52
1987-Jul-15 00:54 < 00:01 Jupiter 1.96910633463848 1.96910612268034 1.96910654660278 3.71734515695572 3.5997699114619 2446991.537456088 0.34507809066514 216.079533700945 6.17679813345555 -87.8026551108912 20707666.3243841 T 102 CATAB v2.0g-lin.ifort 2021-May-03 17:52:28 2021-May-03 17:52
2035-Aug-21 02:22 < 00:01 Jupiter 1.82066772233246 1.82066756487043 1.82066787979667 3.63498375538025 3.50466179515647 2464560.598373851 0.303915058408795 133.052577170159 4.40059867208777 -87.7568059987748 15036481.1725016 T 102 CATAB v2.0g-lin.ifort 2021-May-03 17:52:28 2021-May-03 17:52
2083-Sep-22 12:02 < 00:01 Jupiter 1.86574689228608 1.86574640442552 1.86574738016127 3.39547629970677 3.25903172618846 2482125.001448027 0.912153344933573 268.495686560773 0.854819037823522 -84.6244521930686 8930277.294639 T 102 CATAB v2.0g-lin.ifort 2021-May-03 17:52:28 2021-May-03 17:52
2166-Jan-13 12:20 00:02 Jupiter 1.83911169586569 1.83911114773523 1.83911224399687 3.6655140338947 3.5376364704033 2512188.013575021 1.90862702705321 154.727559017236 23.2941765499936 86.3221749869328 5154741.84961376 T 102 CATAB v2.0g-lin.ifort 2021-May-03 17:52:28 2021-May-03 17:52

Alternate Designations
 A868 KA = 1935 UC = 1935 YL = 1939 UT = 1948 UE = 1948 WC = 1961 XJ = 1974 VB = A915 BA 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jun-25 14:41 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin