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74196 (1998 RU49)
Classification: Main-belt Asteroid          SPK-ID: 2074196
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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1940305736873847 2.8103e-08  
a 2.412282579938402 8.7522e-09 au
q 1.94422600705687 6.9827e-08 au
i 3.23029711805094 3.3709e-06 deg
node 140.9798601128559 8.1228e-05 deg
peri 169.4355049464778 8.2078e-05 deg
M 316.419284701032 1.2265e-05 deg
tp 2459166.165681418304
(2020-Nov-12.66568142)
4.671e-05 TDB
period 1368.487068224001
3.75
7.4477e-06
2.039e-08
d
yr
n .2630642322891671 1.4317e-09 deg/d
Q 2.880339152819935 1.045e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1202  
   data-arc span      7946 days (21.75 yr)  
   first obs. used      1998-09-14  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53385  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 23:48:58  

Additional Information
 Earth MOID = .929933 au 
 Jupiter MOID = 2.38891 au 
 T_jup = 3.491 
[ 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 15.4   n/a MPO337817  

74196 (1998 RU49)          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
2176-Dec-11 04:35 < 00:01 Juno 0.0386627216028408 0.0386574200139486 0.0386680338495622 7.56237450177013 7.56237446016035 2516172.690873055 0.813787895037108 1058.65098355723 42.1357156962223 -75.704126722417 132984.625031593 T 30 CATAB v2.0f-lin.ifort 2020-Jun-23 23:49:13 2020-Jun-23 23:49

Alternate Designations
 1998 RU49 = 2001 FH23 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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