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JPL Small-Body Database Browser
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74685 (1999 RT123)
Classification: Main-belt Asteroid          SPK-ID: 2074685
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 .02275071144444956 4.9638e-08  
a 2.313316361904187 8.7659e-09 au
q 2.26068676887478 1.1551e-07 au
i 4.358252223754146 4.0289e-06 deg
node 314.9880761349246 5.7156e-05 deg
peri 227.435121346749 0.00010139 deg
M 15.45352311018089 8.2567e-05 deg
tp 2458545.333430756609
(2019-Mar-02.83343076)
0.00029481 TDB
period 1285.141568432173
3.52
7.3047e-06
2e-08
d
yr
n .2801247806801451 1.5922e-09 deg/d
Q 2.365945954933593 8.9653e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1092  
   data-arc span      9242 days (25.30 yr)  
   first obs. used      1994-01-18  
   last obs. used      2019-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51062  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:41:51  

Additional Information
 Earth MOID = 1.26552 au 
 Jupiter MOID = 2.60682 au 
 T_jup = 3.579 
[ 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 15.6   n/a MPO432299  

74685 (1999 RT123)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 RT123 = 2000 YU63 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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