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JPL Small-Body Database Browser
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74172 (1998 RX7)
Classification: Main-belt Asteroid          SPK-ID: 2074172
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06722633157921615 7.2912e-08  
a 2.640659360124848 1.8041e-08 au
q 2.463137518393334 1.9949e-07 au
i 4.414850899930453 7.1943e-06 deg
node 151.3423660241498 6.6773e-05 deg
peri 175.5937353248645 7.7898e-05 deg
M 305.6600286823909 3.9976e-05 deg
tp 2458837.083200957214
(2019-Dec-19.58320096)
0.00017443 TDB
period 1567.353649246355
4.29
1.6063e-05
4.398e-08
d
yr
n .229686516615508 2.3539e-09 deg/d
Q 2.818181201856361 1.9254e-08 au
  Orbit Determination Parameters
   # obs. used (total)      531  
   data-arc span      9177 days (25.13 yr)  
   first obs. used      1994-10-02  
   last obs. used      2019-11-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64146  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 07:24:43  

Additional Information
 Earth MOID = 1.45054 au 
 Jupiter MOID = 2.39915 au 
 T_jup = 3.388 
[ show covariance matrix ]

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 15.5   n/a MPO347990  

74172 (1998 RX7)          Discovered 1998-Sep-12 by Spacewatch at Kitt Peak
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 RX7 = 1996 AZ9 = 2001 FR11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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