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3777 McCauley (1981 JD2)
Classification: Main-belt Asteroid          SPK-ID: 2003777
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1617024576194493 2.0679e-08  
a 2.276795885820419 5.8439e-09 au
q 1.908632395585406 4.8797e-08 au
i 4.189542678607716 6.3285e-07 deg
node 46.48079940977253 8.0635e-06 deg
peri 300.3808377139198 7.6407e-06 deg
M 83.90052855366584 3.9753e-06 deg
tp 2458908.053269869121
(2020-Feb-28.55326987)
1.3322e-05 TDB
period 1254.829077504262
3.44
4.8312e-06
1.323e-08
d
yr
n .28689166234178 1.1045e-09 deg/d
Q 2.644959376055432 6.7888e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2744  
   data-arc span      14572 days (39.90 yr)  
   first obs. used      1981-04-11  
   last obs. used      2021-03-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44024  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Mar-16 15:41:01  

Additional Information
 Earth MOID = .904348 au 
 Jupiter MOID = 2.76777 au 
 T_jup = 3.587 
[ 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 13.29   n/a E2021B10  

3777 McCauley (1981 JD2)          Discovered 1981-May-05 by Shoemaker, C. at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1981 JD2 = 1982 WG 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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