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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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1633742116696916 4.9842e-08  
a 2.594495652389417 1.8175e-08 au
q 2.170621970499854 1.3227e-07 au
i 13.37073756792148 4.5495e-06 deg
node 114.3492479090918 2.3095e-05 deg
peri 235.1924682607741 2.7255e-05 deg
M 221.7214879311809 1.8911e-05 deg
tp 2459586.813703468996
(2022-Jan-07.31370347)
8.3652e-05 TDB
period 1526.433356064685
4.18
1.604e-05
4.392e-08
d
yr
n .2358439027617426 2.4783e-09 deg/d
Q 3.01836933427898 2.1145e-08 au
  Orbit Determination Parameters
   # obs. used (total)      495  
   data-arc span      9601 days (26.29 yr)  
   first obs. used      1994-01-07  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57975  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 20:38:10  

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 15.8   n/a MPO232016  
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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