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JPL Small-Body Database Browser
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74174 (1998 RL11)
Classification: Main-belt Asteroid          SPK-ID: 2074174
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07079672495353542 5.1099e-08  
a 2.648246713731425 1.6316e-08 au
q 2.460759519530277 1.3625e-07 au
i 13.84876415122916 6.0058e-06 deg
node 7.578251554575039 2.1568e-05 deg
peri 84.64371923563991 5.3299e-05 deg
M 204.4268369627803 4.7866e-05 deg
tp 2459280.749561988185
(2021-Mar-07.24956199)
0.00021058 TDB
period 1574.113668031283
4.31
1.4548e-05
3.983e-08
d
yr
n .2287001296737648 2.1136e-09 deg/d
Q 2.835733907932573 1.7472e-08 au
  Orbit Determination Parameters
   # obs. used (total)      663  
   data-arc span      7720 days (21.14 yr)  
   first obs. used      1998-09-13  
   last obs. used      2019-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55539  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 06:45:04  

Additional Information
 Earth MOID = 1.52271 au 
 Jupiter MOID = 2.30421 au 
 T_jup = 3.347 
[ 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 15.1   n/a MPO351366  

74174 (1998 RL11)          Discovered 1998-Sep-13 by Spacewatch at Kitt Peak
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 RL11 = 2002 PX99 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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