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2325 Chernykh (1979 SP)
Classification: Main-belt Asteroid          SPK-ID: 2002325
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 42 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .176430902598208 1.9307e-08  
a 3.140157307833922 1.4558e-08 au
q 2.586136519712424 6.1572e-08 au
i 1.920134091533807 1.2186e-06 deg
node 139.9337813303863 2.3675e-05 deg
peri 267.1924201857946 2.4638e-05 deg
M 99.18858994181494 7.5048e-06 deg
tp 2458640.504225832959
(2019-Jun-06.00422583)
4.0314e-05 TDB
period 2032.476505799654
5.56
1.4134e-05
3.87e-08
d
yr
n .1771238186383671 1.2318e-09 deg/d
Q 3.69417809595542 1.7127e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2701  
   data-arc span      24039 days (65.82 yr)  
   first obs. used      1955-05-22  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44718  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 13:38:36  

Additional Information
 Earth MOID = 1.59596 au 
 Jupiter MOID = 1.70091 au 
 T_jup = 3.185 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456915.5 (2014-Sep-15.0) TDB
Reference: JPL 42 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1726294145663388 1.9342e-08  
q 2.60310216341615 6.1702e-08 au
tp 2456610.146943339794
(2013-Nov-13.64694334)
3.6002e-05 TDB
node 139.9210255298872 2.3702e-05 deg
peri 267.9985791451568 2.4682e-05 deg
i 1.916681824764258 1.2169e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2701  
   data-arc span      24039 days (65.82 yr)  
   first obs. used      1955-05-22  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44718  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 13:38:36  

Additional Information
 Jupiter MOID = 1.70091 au 
 T_jup = 3.185 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.740960143512922E-16 -1.170479156859635E-15 3.797343798709385E-13 -3.423638524868045E-15 3.204127897337808E-14 2.197559231036353E-15
q -1.170479156859635E-15 3.807196826049652E-15 -1.133429341283728E-12 7.442741559872351E-15 -8.089614851575936E-14 -6.806170999985153E-15
tp 3.797343798709385E-13 -1.133429341283728E-12 1.296111939961496E-9 -6.181066806357239E-11 2.401256140258449E-10 -3.473784072968332E-12
node -3.423638524868045E-15 7.442741559872351E-15 -6.181066806357239E-11 5.617712503416519E-10 -5.717332617501762E-10 1.376219890764856E-11
peri 3.204127897337808E-14 -8.089614851575936E-14 2.401256140258449E-10 -5.717332617501762E-10 6.091807751532501E-10 -1.444871627739211E-11
i 2.197559231036353E-15 -6.806170999985153E-15 -3.473784072968332E-12 1.376219890764856E-11 -1.444871627739211E-11 1.480848911435988E-12

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 12.01   n/a E2021B10  
diameter diameter 22.789 km 0.194 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.065   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

2325 Chernykh           Discovered 1979 Sept. 25 by A. Mrkos at the Klet Observatory.
Named in honor of Ludmila I. Chernykh and Nikolaj S. Chernykh, astronomers at the Crimean Astrophysical Observatory who lead the impressive program of observations and discoveries of minor planets there.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC 6060Last Updated: 2006-03-21

[ 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
1909-Oct-26 01:37 00:02 Jupiter 1.9651899972614 1.96518917635436 1.96519081817046 2.52718004572804 2.35044951176579 2418605.567144111 2.33515480982234 114.659522980181 2.68376021880087 82.4350226627277 8722845.33455101 T 42 CATAB v2.0f-lin.ifort 2021-Apr-12 13:39:39 2021-Apr-12 13:39
1973-Feb-15 03:54 00:01 Jupiter 1.92852608364579 1.92852564910753 1.92852651818415 3.00904653045746 2.85936123177403 2441728.662328193 1.05426639629885 27.8861440600037 6.60712099911165 68.3251971315292 4941772.66055478 T 42 CATAB v2.0f-lin.ifort 2021-Apr-12 13:39:39 2021-Apr-12 13:39
1983-Jul-23 17:06 < 00:01 Jupiter 1.75226828866489 1.75226804412161 1.75226853320807 1.85820439458786 1.57675329137416 2445539.212565724 0.793370459029017 17.8318510880675 12.5468698417303 71.9459793593414 4074560.07107009 T 42 CATAB v2.0f-lin.ifort 2021-Apr-12 13:39:39 2021-Apr-12 13:39
1994-Jan-05 23:42 < 00:01 Jupiter 1.79907269930177 1.79907250423253 1.799072894371 1.8679253118481 1.5960964115419 2449358.487685145 0.508846518924326 26.5129645769144 7.93442938425937 -78.7119861835686 5958254.24140191 T 42 CATAB v2.0f-lin.ifort 2021-Apr-12 13:39:39 2021-Apr-12 13:39
2067-Oct-14 19:12 00:01 Jupiter 1.86086777256611 1.86086748766843 1.86086805746378 2.61178397107995 2.43126784571386 2476303.299870073 1.10711934851823 23.2284858299046 3.32678752324666 88.943907551006 4767065.6227517 T 42 CATAB v2.0f-lin.ifort 2021-Apr-12 13:39:39 2021-Apr-12 13:39
2078-Mar-22 12:00 00:01 Jupiter 1.73001060314626 1.73001040063946 1.73001080565306 1.73890175767749 1.42988410318828 2480115.000014199 1.35462378889922 31.1421849604713 17.5529224568525 68.5296878072539 4721988.78503101 T 42 CATAB v2.0f-lin.ifort 2021-Apr-12 13:39:39 2021-Apr-12 13:39
2088-Sep-05 14:39 00:02 Jupiter 1.84587722990553 1.84587669698416 1.84587776282775 2.0318536334358 1.79183815063172 2483935.110566324 1.61562657040189 79.4731794992041 3.88374672028779 -89.2754708905978 6805390.44427788 T 42 CATAB v2.0f-lin.ifort 2021-Apr-12 13:39:39 2021-Apr-12 13:39
2162-Jun-13 03:07 00:03 Jupiter 1.80358398409944 1.80358323254276 1.80358473565582 2.28252213646297 2.0665530127572 2510877.629928975 3.27729001311455 46.7314580134216 2.8642378719537 -76.5564302300984 3117833.63883297 T 42 CATAB v2.0f-lin.ifort 2021-Apr-12 13:39:39 2021-Apr-12 13:39
2172-Nov-19 14:06 00:03 Jupiter 1.73063028628173 1.73062989521757 1.73063067734696 1.70275773129577 1.38582962196667 2514690.087399098 3.47708422966578 92.962836359653 19.1085438886339 85.9654549701445 4888420.37843452 T 42 CATAB v2.0f-lin.ifort 2021-Apr-12 13:39:39 2021-Apr-12 13:39
2183-May-06 00:48 00:04 Jupiter 1.91034727156182 1.9103459600549 1.91034858307394 2.27544785451095 2.07144625876338 2518509.533535927 3.7136702899549 184.717004075765 1.56505709163675 85.2058622169467 7832094.65093339 T 42 CATAB v2.0f-lin.ifort 2021-Apr-12 13:39:39 2021-Apr-12 13:39

Alternate Designations
 1979 SP = 1957 UJ = 1959 CH = 1971 FR = 1974 WD1 = 1974 XN = 1979 UG3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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