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5981 Kresilas (2140 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2005981
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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 43 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2179845677247331 1.4725e-08  
a 2.764865814623691 9.2336e-09 au
q 2.162167735206053 3.9551e-08 au
i 10.31140576599271 8.8536e-07 deg
node 354.6150007337885 7.5417e-06 deg
peri 3.502589046972803 1.1088e-05 deg
M 88.53479106660325 4.4221e-06 deg
tp 2458983.527644252449
(2020-May-14.02764425)
1.9675e-05 TDB
period 1679.227411936583
4.60
8.412e-06
2.303e-08
d
yr
n .2143843040203989 1.0739e-09 deg/d
Q 3.367563894041328 1.1246e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2801  
   data-arc span      22152 days (60.65 yr)  
   first obs. used      1960-09-24  
   last obs. used      2021-05-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .42613  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 14:57:29  

Additional Information
 Earth MOID = 1.15756 au 
 Jupiter MOID = 2.08394 au 
 T_jup = 3.282 
[ 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 12.79   n/a MPCxxxxx  
diameter diameter 9.475 km 0.068 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.164   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

5981 Kresilas (2140 P-L)          Discovered 1960-Sep-24 by van Houten and Gehrels at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 2140 P-L = 1983 SU = 1992 SX2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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