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78464 (2002 RC42)
Classification: Main-belt Asteroid          SPK-ID: 2078464
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09700466872584775 3.9116e-08  
a 2.617303367011975 1.3335e-08 au
q 2.363412720939932 1.0108e-07 au
i 2.732683375291348 4.2473e-06 deg
node 79.372893422468 8.9536e-05 deg
peri 270.0987519701744 9.2213e-05 deg
M 108.8804387791943 2.1693e-05 deg
tp 2458732.735903460528
(2019-Sep-06.23590346)
9.2845e-05 TDB
period 1546.605401689365
4.23
1.182e-05
3.236e-08
d
yr
n .2327678408511765 1.7789e-09 deg/d
Q 2.871194013084017 1.4629e-08 au
  Orbit Determination Parameters
   # obs. used (total)      667  
   data-arc span      8157 days (22.33 yr)  
   first obs. used      1998-09-19  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53735  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 07:15:13  

Additional Information
 Earth MOID = 1.35719 au 
 Jupiter MOID = 2.49473 au 
 T_jup = 3.398 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457162.5 (2015-May-20.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09886846061026053 3.9316e-08  
q 2.357924774859052 1.018e-07 au
tp 2457184.129264856650
(2015-Jun-10.62926486)
9.0221e-05 TDB
node 79.4007824498124 8.9637e-05 deg
peri 269.5412426219331 9.2186e-05 deg
i 2.732362336113334 4.2448e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      667  
   data-arc span      8157 days (22.33 yr)  
   first obs. used      1998-09-19  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53735  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 07:15:13  

Additional Information
 Jupiter MOID = 2.49473 au 
 T_jup = 3.398 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.545779068460862E-15 -3.975059751080821E-15 5.677887241151634E-13 -6.54964894033994E-15 1.196853191816231E-13 -8.728082720807673E-16
q -3.975059751080821E-15 1.036238101580776E-14 -1.530181543907324E-12 1.730809689761296E-14 -3.270834342269957E-13 2.338518239894272E-15
tp 5.677887241151634E-13 -1.530181543907324E-12 8.139865480496615E-9 -3.034344657363752E-13 1.961718614071285E-9 -1.39363162277711E-12
node -6.54964894033994E-15 1.730809689761296E-14 -3.034344657363752E-13 8.034762238898225E-9 -8.025408676789651E-9 -6.633891755324717E-11
peri 1.196853191816231E-13 -3.270834342269957E-13 1.961718614071285E-9 -8.025408676789651E-9 8.498205044304707E-9 6.593324593269297E-11
i -8.728082720807673E-16 2.338518239894272E-15 -1.39363162277711E-12 -6.633891755324717E-11 6.593324593269297E-11 1.801823154144828E-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 15.8   n/a MPO259815  

78464 (2002 RC42)          Discovered 2002-Sep-05 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ 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
1945-May-10 12:18 00:10 Europ 0.029658057612926 0.0296563330733864 0.029659785952318 2.576707886087 2.57670774700727 2431586.012644776 9.74192600257141 593.359162363074 37.4218771990558 82.4868111341986 117357.731834345 T 23 CATAB v2.0f-lin.ifort 2021-Feb-24 07:15:14 2021-Feb-24 07:15
1983-Jun-01 08:33 00:04 Europ 0.013998816396548 0.0139969505959561 0.0140006836646842 2.50286375955802 2.50286345620857 2445486.856305638 4.17073480486299 262.260915760414 36.4130122351448 -70.784603604567 54276.5198634542 T 23 CATAB v2.0f-lin.ifort 2021-Feb-24 07:15:14 2021-Feb-24 07:15
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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