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65652 (1981 ED41)
Classification: Main-belt Asteroid          SPK-ID: 2065652
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1949687890924264 3.9155e-08  
a 2.35398680322712 1.2215e-08 au
q 1.895032846662377 9.0316e-08 au
i 2.457917486204626 4.3547e-06 deg
node 166.341555286506 0.00010202 deg
peri 85.07291418057331 0.00010279 deg
M 255.6747004031212 1.2947e-05 deg
tp 2459382.788824464487
(2021-Jun-17.28882446)
4.8904e-05 TDB
period 1319.18122774634
3.61
1.0268e-05
2.811e-08
d
yr
n .2728965455451607 2.1241e-09 deg/d
Q 2.812940759791863 1.4596e-08 au
  Orbit Determination Parameters
   # obs. used (total)      611  
   data-arc span      14203 days (38.89 yr)  
   first obs. used      1981-03-06  
   last obs. used      2020-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57392  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 14:43:36  

Additional Information
 Earth MOID = .882737 au 
 Jupiter MOID = 2.22888 au 
 T_jup = 3.529 
[ 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 16.1   n/a MPO453051  
diameter diameter 1.280 km 0.237 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.392   0.149 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

65652 (1981 ED41)          Discovered 1981-Mar-02 by Bus, S. J. at Siding Spring
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2121-Feb-09 17:32 00:03 Psych 0.0228265630975961 0.0228125319389863 0.0228405958797139 4.42785987297673 4.42785975326994 2495779.230780046 3.13369988799162 762.772240781828 65.2230121822244 -23.6410021386548 21374.2525588427 T 17 CATAB v2.0f-lin.ifort 2020-Feb-23 14:43:37 2020-Feb-23 14:43

Alternate Designations
 1981 ED41 = 2000 SQ203 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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