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JPL Small-Body Database Browser
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74220 (1998 RX78)
Classification: Main-belt Asteroid          SPK-ID: 2074220
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05093003536463687 4.6222e-08  
a 2.707234018727332 1.5377e-08 au
q 2.569354494413201 1.2493e-07 au
i 6.684752898122837 4.5803e-06 deg
node 131.2771739802988 4.2695e-05 deg
peri 279.2702561254027 6.3326e-05 deg
M 185.2057438798297 4.828e-05 deg
tp 2459390.472151127759
(2021-Jun-24.97215113)		 0.00022094 TDB
period 1626.998396391677
4.45		 1.3862e-05
3.795e-08		 d
yr
n .2212663520741019 1.8852e-09 deg/d
Q 2.845113543041463 1.616e-08 au
   Orbit Determination Parameters
   # obs. used (total)      744  
   data-arc span      7622 days (20.87 yr)  
   first obs. used      1998-09-14  
   last obs. used      2019-07-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59892  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 08:50:54  

Additional Information
 Earth MOID = 1.58987 au 
 Jupiter MOID = 2.33952 au 
 T_jup = 3.353 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.1   n/a MPO309716  

74220 (1998 RX78)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 RX78 = 2000 AU88 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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