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JPL Small-Body Database Browser
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7924 Simbirsk (1986 PW4)
Classification: Main-belt Asteroid          SPK-ID: 2007924
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1608301187485291 2.9698e-08  
a 3.101841045541989 1.4037e-08 au
q 2.602971581848409 9.0863e-08 au
i 1.16304569816057 3.9113e-06 deg
node 191.0160989131704 0.00016439 deg
peri 114.1348604291542 0.00016483 deg
M 18.46902036121896 1.1858e-05 deg
tp 2458498.130850761799
(2019-Jan-14.63085076)
6.5692e-05 TDB
period 1995.389739411166
5.46
1.3545e-05
3.708e-08
d
yr
n .1804158821154583 1.2247e-09 deg/d
Q 3.600710509235568 1.6295e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2250  
   data-arc span      24658 days (67.51 yr)  
   first obs. used      1952-05-24  
   last obs. used      2019-11-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48261  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-03 21:50:08  

Additional Information
 Earth MOID = 1.58738 au 
 Jupiter MOID = 1.64439 au 
 T_jup = 3.201 
[ 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 12.9   n/a MPO332893  
diameter diameter 12.997 km 0.445 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.087   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

7924 Simbirsk           Discovered 1986 Aug. 6 by N. S. Chernykh and L. I. Chernykh at the Crimean Astrophysical Observatory.
Named for the city of Simbirsk (Ul'yanovsk since 1924), a large industrial and cultural center on the Volga river. Founded in 1648, it is connected with many great events and people in Russian history.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 19980808/MPCPages.arcLast Updated: 2009-11-17

[ 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-Dec-31 16:48 00:02 Jupiter 1.74972266828663 1.74972189744183 1.74972343913161 2.34640841227782 2.13012987219215 2417211.199834416 2.4285128422423 77.5351894636678 5.9208493938091 88.5084597521461 2271221.22202747 T 30 CATAB v2.0f-lin.ifort 2019-Dec-03 21:50:22 2019-Dec-03 21:50
1966-Dec-25 09:56 00:01 Jupiter 1.66961253573516 1.66961214799172 1.6696129234784 1.57911171171472 1.2161250617447 2439484.913806689 1.04048079282532 64.6081397362106 47.3888036733254 -61.8221556115774 2839916.52052107 T 30 CATAB v2.0f-lin.ifort 2019-Dec-03 21:50:22 2019-Dec-03 21:50
1976-Dec-02 11:25 < 00:01 Jupiter 1.81626049360726 1.81626008661512 1.8162609005994 2.71018304377195 2.53226810225412 2443114.975860827 0.806972978952189 41.9152934851188 8.90858326903552 -85.8953866305942 3105353.37966676 T 30 CATAB v2.0f-lin.ifort 2019-Dec-03 21:50:22 2019-Dec-03 21:50
2027-Dec-08 20:00 < 00:01 Jupiter 1.97269575601948 1.97269536788857 1.97269614415027 2.45025176917589 2.26825649086065 2461748.333506488 0.374518318184584 41.0983975180721 7.31867710994983 -89.866987375506 3283444.75925722 T 30 CATAB v2.0f-lin.ifort 2019-Dec-03 21:50:22 2019-Dec-03 21:50
2037-Nov-26 17:07 < 00:01 Jupiter 1.65366583177523 1.65366554653485 1.65366611701561 1.58898115451795 1.22492575976434 2465389.213303978 0.610342879300681 67.8639528295004 45.3053366011964 -51.3141986249915 3114904.00964121 T 30 CATAB v2.0f-lin.ifort 2019-Dec-03 21:50:22 2019-Dec-03 21:50
2047-Nov-05 15:41 < 00:01 Jupiter 1.8891269861206 1.88912640659842 1.88912756564289 3.1270988862961 2.98027064369668 2469020.153302486 0.810616031804631 43.9689935134499 14.1648896521837 -72.786593991732 2808936.56377031 T 30 CATAB v2.0f-lin.ifort 2019-Dec-03 21:50:22 2019-Dec-03 21:50
2098-Nov-13 01:00 00:02 Jupiter 1.89517330038339 1.89517240474793 1.89517419601917 2.15995026410428 1.94203803453136 2487655.541998867 1.93042728760431 87.2763334876005 5.80242232332539 -86.3581306878373 2266660.89303871 T 30 CATAB v2.0f-lin.ifort 2019-Dec-03 21:50:22 2019-Dec-03 21:50
2108-Oct-28 20:33 00:02 Jupiter 1.65637697735773 1.6563765956027 1.65637735911257 1.67053493242349 1.32964120264061 2491292.355947078 2.22359924712363 84.2136673578423 43.9318036774721 -35.6790710873508 2152932.90235692 T 30 CATAB v2.0f-lin.ifort 2019-Dec-03 21:50:22 2019-Dec-03 21:50
2118-Oct-13 13:33 00:02 Jupiter 1.96330009929994 1.96329890182225 1.96330129677908 3.56618527671217 3.4430831458887 2494929.064860571 2.33328474609638 109.891952582861 15.5992723365224 -67.3166219475901 3039607.75688407 T 30 CATAB v2.0f-lin.ifort 2019-Dec-03 21:50:22 2019-Dec-03 21:50
2169-Oct-16 09:42 00:04 Jupiter 1.82307819094499 1.82307679322841 1.82307958866261 1.91459967407933 1.65422777908399 2513559.904174301 3.55141458257946 140.45390757299 13.7179513754592 84.5798448925863 1987931.60313955 T 30 CATAB v2.0f-lin.ifort 2019-Dec-03 21:50:22 2019-Dec-03 21:50
2179-Sep-29 18:37 00:04 Jupiter 1.68243899146879 1.68243818586346 1.68243979707259 1.83576858489251 1.53725338019674 2517195.275545884 3.86550927588629 81.889026401874 43.9456668568607 -3.15842515416224 916303.803525121 T 30 CATAB v2.0f-lin.ifort 2019-Dec-03 21:50:22 2019-Dec-03 21:50

Alternate Designations
 1986 PW4 = 1981 TV3 = 1989 AL4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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