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117109 (2004 PA4)
Classification: Main-belt Asteroid          SPK-ID: 2117109
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2009730950081879 6.7235e-08  
a 2.404500316442043 1.0726e-08 au
q 1.921260445898519 1.6566e-07 au
i .8231918073338341 6.4113e-06 deg
node 342.0465708589138 0.00023087 deg
peri 354.0963260898333 0.00023128 deg
M 70.1161598657841 9.9314e-06 deg
tp 2458735.252495597613
(2019-Sep-08.75249560)
3.8028e-05 TDB
period 1361.870099099039
3.73
9.1122e-06
2.495e-08
d
yr
n .264342392301705 1.7687e-09 deg/d
Q 2.887740186985568 1.2881e-08 au
  Orbit Determination Parameters
   # obs. used (total)      594  
   data-arc span      9544 days (26.13 yr)  
   first obs. used      1993-09-14  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54067  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 13:49:30  

Additional Information
 Earth MOID = .911689 au 
 Jupiter MOID = 2.49094 au 
 T_jup = 3.496 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.2   n/a MPO296880  

117109 (2004 PA4)          Discovered 2004-Aug-03 by Siding Spring Survey at Siding Spring
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 2004 PA4 = 1993 RD13 = 2001 YH52 = 2003 FH10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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