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312976 (1999 CN159)
Classification: Main-belt Asteroid          SPK-ID: 2312976
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .243046748410134 7.3419e-08  
a 2.646252836699549 3.933e-08 au
q 2.00308968926863 2.0531e-07 au
i 10.51961689778318 9.2485e-06 deg
node 314.4989134124658 3.2329e-05 deg
peri 250.1591225038871 4.0445e-05 deg
M 296.4536431059536 3.4395e-05 deg
tp 2459278.045115438376
(2021-Mar-04.54511544)
0.00015552 TDB
period 1572.3362666472
4.30
3.5053e-05
9.597e-08
d
yr
n .228958657022936 5.1043e-09 deg/d
Q 3.289415984130467 4.8889e-08 au
  Orbit Determination Parameters
   # obs. used (total)      218  
   data-arc span      7655 days (20.96 yr)  
   first obs. used      1999-01-18  
   last obs. used      2020-01-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64233  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-30 06:38:32  

Additional Information
 Earth MOID = 1.02917 au 
 Jupiter MOID = 1.8333 au 
 T_jup = 3.327 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456611.5 (2013-Nov-15.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .243338097003562 7.3274e-08  
q 2.001900147021269 2.0478e-07 au
tp 2456135.039924929612
(2012-Jul-26.53992493)
0.00010211 TDB
node 314.5436997127001 3.2309e-05 deg
peri 250.2226480637102 4.0465e-05 deg
i 10.52403296464477 9.252e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      218  
   data-arc span      7655 days (20.96 yr)  
   first obs. used      1999-01-18  
   last obs. used      2020-01-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64233  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-30 06:38:32  

Additional Information
 Jupiter MOID = 1.8333 au 
 T_jup = 3.327 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.369034865922346E-15 -1.48623271076517E-14 -4.763010170147278E-12 2.792585388093343E-14 -1.022607674277018E-12 -1.092503404417893E-14
q -1.48623271076517E-14 4.193488372086222E-14 1.449146501786835E-11 -7.938461447558615E-14 3.180410938827495E-12 3.726596052522553E-14
tp -4.763010170147278E-12 1.449146501786835E-11 1.042696682347814E-8 -3.947267000213394E-11 2.504833158152903E-9 2.795458863344129E-11
node 2.792585388093343E-14 -7.938461447558615E-14 -3.947267000213394E-11 1.043866066382023E-9 -1.034244722575425E-9 8.311233195469391E-11
peri -1.022607674277018E-12 3.180410938827495E-12 2.504833158152903E-9 -1.034244722575425E-9 1.637411445383155E-9 -7.510190136811553E-11
i -1.092503404417893E-14 3.726596052522553E-14 2.795458863344129E-11 8.311233195469391E-11 -7.510190136811553E-11 8.559908877027144E-11

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 16.0   n/a MPO310904  

312976 (1999 CN159)          Discovered 1999-Feb-10 by Spacewatch at Kitt Peak
Reference: 20120207/Numbers.arcLast Updated: 2012-02-09

[ 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
1928-Jul-28 00:45 00:06 Jupiter 1.84836813706331 1.84836642958117 1.84836984462331 1.04305065455142 0.414060635280104 2425455.531417717 5.98235203357928 20739.3166158628 1446.57646304009 0.157583913978535 181998.043127105 T 15 CATAB v2.0f-lin.ifort 2020-Jan-30 06:38:52 2020-Jan-30 06:38
1975-Nov-23 11:47 00:03 Jupiter 1.83718469848523 1.83718373669636 1.83718566031513 1.18207980565421 0.689365777059642 2442739.990710587 2.64547223661584 2730.50118019574 1384.02486611766 -5.02274500218202 332800.165640965 T 15 CATAB v2.0f-lin.ifort 2020-Jan-30 06:38:52 2020-Jan-30 06:38
2023-Mar-22 07:57 < 00:01 Jupiter 1.8290249217851 1.82902403150857 1.82902581213305 1.33175233728466 0.920523282099309 2460025.831079199 0.678269283055002 2526.18461977837 670.915006635038 -82.770733393291 573139.952914191 T 15 CATAB v2.0f-lin.ifort 2020-Jan-30 06:38:52 2020-Jan-30 06:38
2070-Jul-19 22:57 00:04 Jupiter 1.82698862745518 1.82698774568675 1.826989509431 1.48918771681424 1.13597824414422 2477312.456218009 3.73762491352909 14089.0713293079 424.863481117891 -87.4411288074083 542792.308934261 T 15 CATAB v2.0f-lin.ifort 2020-Jan-30 06:38:52 2020-Jan-30 06:38
2117-Nov-17 04:59 00:07 Jupiter 1.83935727233517 1.83935616107291 1.83935838394926 1.66237041155727 1.35737873308608 2494598.707332233 6.93063091781387 6397.32264043733 540.690936648768 85.3935988946537 274659.506920187 T 15 CATAB v2.0f-lin.ifort 2020-Jan-30 06:38:52 2020-Jan-30 06:38
2165-Mar-15 05:53 00:10 Jupiter 1.85735780998514 1.8573556556712 1.85735996445735 1.84370493620692 1.57707810986661 2511883.745470600 10.1921903295049 2526.20451481409 496.256040123283 80.6650220110867 186700.682454595 T 15 CATAB v2.0f-lin.ifort 2020-Jan-30 06:38:52 2020-Jan-30 06:38

Alternate Designations
 1999 CN159 = 2008 JK22 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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