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JPL Small-Body Database Browser
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117870 (2174 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2117870
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3392570847749058 4.1368e-08  
a 2.600805885337763 1.6895e-08 au
q 1.718464062612656 1.1229e-07 au
i 5.253011220828331 5.4529e-06 deg
node 325.1137867218175 7.0592e-05 deg
peri 311.2844523837791 7.153e-05 deg
M 33.9419663369827 1.4584e-05 deg
tp 2458456.057554272184
(2018-Dec-03.55755427)
6.1066e-05 TDB
period 1532.005539860426
4.19
1.4928e-05
4.087e-08
d
yr
n .2349860954372254 2.2897e-09 deg/d
Q 3.483147708062871 2.2626e-08 au
  Orbit Determination Parameters
   # obs. used (total)      479  
   data-arc span      21600 days (59.14 yr)  
   first obs. used      1960-09-24  
   last obs. used      2019-11-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53779  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 11:03:14  

Additional Information
 Earth MOID = .707252 au 
 Jupiter MOID = 1.6987 au 
 T_jup = 3.325 
[ 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 MPO436566  

117870 (2174 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
 2174 P-L = 2001 DR86 = 2002 TM185 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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