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43796 (1991 AS1)
Classification: Main-belt Asteroid          SPK-ID: 2043796
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2250924907069821 1.7427e-08  
a 2.604258196302237 1.2212e-08 au
q 2.018059232452494 4.6032e-08 au
i 30.63229281780298 1.043e-06 deg
node 317.6628481211821 1.1108e-06 deg
peri 122.1247832447044 5.1939e-06 deg
M 74.88008246960325 3.9043e-06 deg
tp 2458881.207807067164
(2020-Feb-01.70780707)
1.5479e-05 TDB
period 1535.05692922389
4.20
1.0798e-05
2.956e-08
d
yr
n .2345189895869286 1.6496e-09 deg/d
Q 3.19045716015198 1.4961e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1312  
   data-arc span      24845 days (68.02 yr)  
   first obs. used      1953-02-14  
   last obs. used      2021-02-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44674  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:22:28  

Additional Information
 Earth MOID = 1.13806 au 
 Jupiter MOID = 2.18885 au 
 T_jup = 3.184 
[ 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 13.86   n/a E2021B10  
diameter diameter 4.102 km 0.699 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
geometric albedo albedo 0.301   0.113 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

43796 (1991 AS1)          Discovered 1991-Jan-14 by Helin, E. F. at Palomar
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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