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74217 (1998 RB73)
Classification: Mars-crossing Asteroid          SPK-ID: 2074217
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 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3389035350448307 2.8231e-08  
a 2.417737831008405 8.3254e-09 au
q 1.598357933268035 6.9642e-08 au
i 7.416885973451666 4.771e-06 deg
node .0683002240825611 2.5874e-05 deg
peri 301.6917291498553 2.7277e-05 deg
M 311.0357290456374 9.6413e-06 deg
tp 2459187.262220039168
(2020-Dec-03.76222004)
3.7141e-05 TDB
period 1373.131834777378
3.76
7.0925e-06
1.942e-08
d
yr
n .2621743891462291 1.3542e-09 deg/d
Q 3.237117728748774 1.1147e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1353  
   data-arc span      8074 days (22.11 yr)  
   first obs. used      1998-06-29  
   last obs. used      2020-08-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48469  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 07:11:18  

Additional Information
 Earth MOID = .599324 au 
 Jupiter MOID = 2.07391 au 
 T_jup = 3.424 
[ 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 14.7   n/a MPO333432  

74217 (1998 RB73)          Discovered 1998-Sep-14 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
2128-Dec-21 06:31 < 00:01 Juno 0.0163782762822925 0.0163668329672141 0.0163897221105357 11.4186119727618 11.4186119077092 2498650.771461319 0.733807788900968 654.644900616404 44.0862038396403 29.4211960785258 27488.6450055037 T 33 CATAB v2.0f-lin.ifort 2020-Aug-25 07:11:31 2020-Aug-25 07:11
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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