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JPL Small-Body Database Browser
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117887 (2721 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2117887
[ 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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07833801043951939 5.4371e-08  
a 2.868459399747185 2.5442e-08 au
q 2.643749997344453 1.6321e-07 au
i 2.957320348729795 6.0331e-06 deg
node 59.70797298946 0.00011414 deg
peri 297.7283149098041 0.00012044 deg
M 30.36991246823045 3.8882e-05 deg
tp 2458450.803196399420
(2018-Nov-28.30319640)		 0.0001913 TDB
period 1774.481548229139
4.86		 2.3608e-05
6.464e-08		 d
yr
n .2028761585936273 2.6991e-09 deg/d
Q 3.093168802149918 2.7435e-08 au
   Orbit Determination Parameters
   # obs. used (total)      328  
   data-arc span      21175 days (57.97 yr)  
   first obs. used      1960-09-24  
   last obs. used      2018-09-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5905  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-03 11:22:54  

Additional Information
 Earth MOID = 1.64036 au 
 Jupiter MOID = 2.27459 au 
 T_jup = 3.292 
[ 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 15.7   n/a MPO453649  

117887 (2721 P-L)          Discovered 1960-Sep-24 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2721 P-L = 1999 VF94 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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