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JPL Small-Body Database Browser
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3916 Maeva (1981 QA3)
Classification: Outer Main-belt Asteroid          SPK-ID: 2003916
[ 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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1296931124811311 3.7135e-08  
a 3.239631350047712 1.8472e-08 au
q 2.819473476968576 1.1683e-07 au
i 1.947978602266433 4.3287e-06 deg
node 28.08039647413813 0.00012638 deg
peri 81.58319285372646 0.00012758 deg
M 68.33437860624743 1.8779e-05 deg
tp 2458196.223436714707
(2018-Mar-18.72343671)		 0.00010991 TDB
period 2129.81468114791
5.83		 1.8216e-05
4.987e-08		 d
yr
n .169028790714303 1.4457e-09 deg/d
Q 3.659789223126849 2.0868e-08 au
   Orbit Determination Parameters
   # obs. used (total)      2106  
   data-arc span      17281 days (47.31 yr)  
   first obs. used      1972-01-17  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48089  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 00:02:17  

Additional Information
 Earth MOID = 1.83727 au 
 Jupiter MOID = 1.45842 au 
 T_jup = 3.170 
[ 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 12.2   n/a MPO347553  
diameter diameter 19.580 km 0.213 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.061   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

3916 Maeva (1981 QA3)          Discovered 1981-Aug-24 by Debehogne, H. at La Silla
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1981 QA3 = 1972 BC = 1972 CA = 1978 EE6 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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