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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1608537023133757 2.9329e-08  
a 3.102809221046631 1.3869e-08 au
q 2.603710870269199 8.9469e-08 au
i 1.162887098040579 3.9021e-06 deg
node 191.0140840080673 0.00016056 deg
peri 114.262756492381 0.000161 deg
M 90.50644389877237 1.1825e-05 deg
tp 2458498.610583645630
(2019-Jan-15.11058365)
6.5401e-05 TDB
period 1996.324041740677
5.47
1.3385e-05
3.665e-08
d
yr
n .1803314454331278 1.2091e-09 deg/d
Q 3.601907571824064 1.61e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2370  
   data-arc span      24726 days (67.70 yr)  
   first obs. used      1952-05-24  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48073  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 18:41:38  

Additional Information
 Earth MOID = 1.58892 au 
 Jupiter MOID = 1.6458 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 1.74972284623285 1.74972208350105 1.74972360896495 2.34640896670502 2.13013050602409 2417211.199856837 2.41178690684771 76.8720507200846 5.90206298618605 88.5454931198345 2304119.17862093 T 33 CATAB v2.0f-lin.ifort 2020-Feb-22 18:41:52 2020-Feb-22 18:41
1966-Dec-25 09:56 00:01 Jupiter 1.66961260873335 1.66961222185355 1.66961299561286 1.57911229808886 1.2161258413774 2439484.913770552 1.03381901697823 63.7874485992085 46.9831348340233 -62.8689451129058 2860455.35129161 T 33 CATAB v2.0f-lin.ifort 2020-Feb-22 18:41:52 2020-Feb-22 18:41
1976-Dec-02 11:25 < 00:01 Jupiter 1.81626067741148 1.81626027256767 1.81626108225528 2.7101837818399 2.53226891081541 2443114.975843677 0.803129205873843 41.3882378151991 8.87168227356515 -85.7802166476214 3130425.1176981 T 33 CATAB v2.0f-lin.ifort 2020-Feb-22 18:41:52 2020-Feb-22 18:41
2027-Dec-08 20:00 < 00:01 Jupiter 1.97269561608059 1.97269522979612 1.97269600236494 2.4502513322439 2.26825600544278 2461748.333426867 0.371529805600889 40.840665067048 7.28370514982673 -89.8022664464638 3303654.4991022 T 33 CATAB v2.0f-lin.ifort 2020-Feb-22 18:41:52 2020-Feb-22 18:41
2037-Nov-26 17:07 < 00:01 Jupiter 1.65366594364517 1.65366566225454 1.6536662250358 1.58898187094956 1.22492671741168 2465389.213233802 0.60402323559421 67.5511182891807 44.7766294663275 -51.7843308457867 3158064.2792484 T 33 CATAB v2.0f-lin.ifort 2020-Feb-22 18:41:52 2020-Feb-22 18:41
2047-Nov-05 15:41 < 00:01 Jupiter 1.88912717380024 1.8891265972242 1.88912775037638 3.12709976735382 2.98027158310754 2469020.153251071 0.801164044398412 43.2366299210471 14.0361365878214 -72.4825177136121 2826915.82520783 T 33 CATAB v2.0f-lin.ifort 2020-Feb-22 18:41:52 2020-Feb-22 18:41
2098-Nov-13 01:00 00:02 Jupiter 1.89517316914024 1.89517228300593 1.89517405527477 2.15994987529481 1.94203758615698 2487655.541870081 1.91455386926621 86.7836393767983 5.73018450189527 -86.3216146573905 2288894.53955322 T 33 CATAB v2.0f-lin.ifort 2020-Feb-22 18:41:52 2020-Feb-22 18:41
2108-Oct-28 20:32 00:02 Jupiter 1.65637713257467 1.65637675202657 1.65637751312259 1.6705357722988 1.32964229388287 2491292.355848072 2.20432224555195 84.0771829716193 43.5750535833563 -35.7125703865755 2164677.22127326 T 33 CATAB v2.0f-lin.ifort 2020-Feb-22 18:41:52 2020-Feb-22 18:41
2118-Oct-13 13:33 00:02 Jupiter 1.96330028905709 1.96329910121143 1.96330147690409 3.56618622871953 3.44308414404438 2494929.064779020 2.31189459313143 108.739183625156 15.436750446175 -67.255042977903 3072302.141986 T 33 CATAB v2.0f-lin.ifort 2020-Feb-22 18:41:52 2020-Feb-22 18:41
2169-Oct-16 09:42 00:04 Jupiter 1.82307808072482 1.82307669802586 1.82307946342481 1.91459944634077 1.65422749851937 2513559.904003782 3.52302507562947 139.62184649415 13.5159282579888 84.6765490889931 2009474.68646856 T 33 CATAB v2.0f-lin.ifort 2020-Feb-22 18:41:52 2020-Feb-22 18:41
2179-Sep-29 18:37 00:04 Jupiter 1.68243918931836 1.68243838584752 1.68243999278766 1.83576962433241 1.53725465999543 2517195.275401138 3.83376432758661 81.5442585366986 43.687156085261 -3.34270404127344 919743.551837728 T 33 CATAB v2.0f-lin.ifort 2020-Feb-22 18:41:52 2020-Feb-22 18:41

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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