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117888 (2735 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2117888
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2106944384985135 7.0695e-08  
a 2.451588968616121 1.5289e-08 au
q 1.935052807444397 1.6707e-07 au
i 2.697393418338561 6.447e-06 deg
node 11.27755262932933 0.00010989 deg
peri 329.1535153319493 0.00011121 deg
M 215.7163294564536 2.4542e-05 deg
tp 2459562.433076110380
(2021-Dec-13.93307611)
9.9963e-05 TDB
period 1402.070703064639
3.84
1.3116e-05
3.591e-08
d
yr
n .2567630856369182 2.4019e-09 deg/d
Q 2.968125129787844 1.851e-08 au
  Orbit Determination Parameters
   # obs. used (total)      354  
   data-arc span      21678 days (59.35 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-01-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56098  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 05:51:23  

Additional Information
 Earth MOID = .927222 au 
 Jupiter MOID = 2.43077 au 
 T_jup = 3.463 
[ 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 16.8   n/a MPO453649  
diameter diameter 1.449 km 0.314 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.133   0.049 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

117888 (2735 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
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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