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78498 (2002 RX72)
Classification: Main-belt Asteroid          SPK-ID: 2078498
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .189824800972255 4.9833e-08  
a 3.101483881061831 1.8722e-08 au
q 2.512745320620612 1.5443e-07 au
i 1.975847579660059 4.942e-06 deg
node 172.9124524684936 0.00013842 deg
peri 219.1189741180654 0.00013898 deg
M 49.31647711186328 1.0798e-05 deg
tp 2458727.198343355939
(2019-Aug-31.69834336)
5.9742e-05 TDB
period 1995.045107717033
5.46
1.8064e-05
4.946e-08
d
yr
n .1804470478424192 1.6339e-09 deg/d
Q 3.69022244150305 2.2275e-08 au
  Orbit Determination Parameters
   # obs. used (total)      569  
   data-arc span      9744 days (26.68 yr)  
   first obs. used      1994-03-13  
   last obs. used      2020-11-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56119  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 22:06:37  

Additional Information
 Earth MOID = 1.51903 au 
 Jupiter MOID = 1.7498 au 
 T_jup = 3.193 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457315.5 (2015-Oct-20.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1846385030807716 4.9058e-08  
q 2.536147633728278 1.5055e-07 au
tp 2456724.394969818346
(2014-Mar-07.89496982)
6.6979e-05 TDB
node 172.8779230150157 0.00013877 deg
peri 218.6722915609811 0.00013938 deg
i 1.966324585741843 4.9349e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      569  
   data-arc span      9744 days (26.68 yr)  
   first obs. used      1994-03-13  
   last obs. used      2020-11-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56119  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 22:06:37  

Additional Information
 Jupiter MOID = 1.7498 au 
 T_jup = 3.193 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.406680807361867E-15 -7.345063228017134E-15 -1.740268851789286E-13 1.175209898615839E-14 -9.608612877614346E-14 -1.545708594946472E-15
q -7.345063228017134E-15 2.266422905554121E-14 2.143364935628758E-13 -4.461113348980221E-14 2.563074406432554E-13 4.745334009715095E-15
tp -1.740268851789286E-13 2.143364935628758E-13 4.486158334596896E-9 2.37292917606749E-12 8.927357561484699E-10 -5.640059061864357E-13
node 1.175209898615839E-14 -4.461113348980221E-14 2.37292917606749E-12 1.9257122530386E-8 -1.924653275339838E-8 1.43794401707973E-10
peri -9.608612877614346E-14 2.563074406432554E-13 8.927357561484699E-10 -1.924653275339838E-8 1.942771367030114E-8 -1.437892506273308E-10
i -1.545708594946472E-15 4.745334009715095E-15 -5.640059061864357E-13 1.43794401707973E-10 -1.437892506273308E-10 2.435301538980661E-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 15.3   n/a MPO502630  

78498 (2002 RX72)          Discovered 2002-Sep-05 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2002 RX72 = 1997 WD58 = 2000 GZ183 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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