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120519 (1994 AM7)
Classification: Main-belt Asteroid          SPK-ID: 2120519
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1633742108388082 4.9826e-08  
a 2.594495651806706 1.8157e-08 au
q 2.170621972168066 1.3224e-07 au
i 13.37073729780085 4.5346e-06 deg
node 114.3492478607493 2.3094e-05 deg
peri 235.192468754401 2.7249e-05 deg
M 221.7214877885551 1.8911e-05 deg
tp 2459586.813703876218
(2022-Jan-07.31370388)
8.3651e-05 TDB
period 1526.433355550441
4.18
1.6024e-05
4.387e-08
d
yr
n .2358439028411967 2.4758e-09 deg/d
Q 3.018369331445346 2.1124e-08 au
  Orbit Determination Parameters
   # obs. used (total)      499  
   data-arc span      9630 days (26.37 yr)  
   first obs. used      1994-01-07  
   last obs. used      2020-05-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58168  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 17:56:38  

Additional Information
 Earth MOID = 1.19164 au 
 Jupiter MOID = 2.4267 au 
 T_jup = 3.361 
[ 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 15.87   n/a E2021B55  
diameter diameter 2.050 km 0.571 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.221   0.099 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

120519 (1994 AM7)          Discovered 1994-Jan-07 by Spacewatch at Kitt Peak
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

[ show close-approach data ]
Alternate Designations
 1994 AM7 = 2004 LJ21 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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