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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1634887307341013 4.844e-08  
a 2.59447021773324 1.7757e-08 au
q 2.170303574908605 1.2811e-07 au
i 13.37078064023494 4.5268e-06 deg
node 114.3487790266247 2.2345e-05 deg
peri 235.1784950818831 2.6652e-05 deg
M 268.9190735362458 1.9152e-05 deg
tp 2459586.685888454505
(2022-Jan-07.18588845)
8.3473e-05 TDB
period 1526.410909960911
4.18
1.567e-05
4.29e-08
d
yr
n .2358473708820772 2.4213e-09 deg/d
Q 3.018636860557875 2.066e-08 au
  Orbit Determination Parameters
   # obs. used (total)      502  
   data-arc span      9630 days (26.37 yr)  
   first obs. used      1994-01-07  
   last obs. used      2020-05-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58005  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 17:06:56  

Additional Information
 Earth MOID = 1.18952 au 
 Jupiter MOID = 2.42658 au 
 T_jup = 3.361 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457193.5 (2015-Jun-20.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1614714869195184 4.8262e-08  
q 2.178414786079142 1.2741e-07 au
tp 2456530.348251373752
(2013-Aug-25.84825137)
7.0775e-05 TDB
node 114.427000557408 2.2308e-05 deg
peri 234.8963841609174 2.6755e-05 deg
i 13.37553235366204 4.5285e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      502  
   data-arc span      9630 days (26.37 yr)  
   first obs. used      1994-01-07  
   last obs. used      2020-05-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58005  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 17:06:56  

Additional Information
 Jupiter MOID = 2.42658 au 
 T_jup = 3.361 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.329236965778643E-15 -6.106238898376487E-15 4.802914146031269E-13 1.475101791634688E-14 6.607408087696232E-14 3.330439367005561E-15
q -6.106238898376487E-15 1.623235463223951E-14 -9.759034031839962E-13 -3.799066409453608E-14 -9.876702057819857E-14 -7.672253501154476E-15
tp 4.802914146031269E-13 -9.759034031839962E-13 5.009098245985262E-9 6.824584048600687E-12 1.078428299201858E-9 6.752547779601123E-12
node 1.475101791634688E-14 -3.799066409453608E-14 6.824584048600687E-12 4.97649245158528E-10 -4.826932909381864E-10 1.478296659010669E-11
peri 6.607408087696232E-14 -9.876702057819857E-14 1.078428299201858E-9 -4.826932909381864E-10 7.158484927757366E-10 -1.287956810585769E-11
i 3.330439367005561E-15 -7.672253501154476E-15 6.752547779601123E-12 1.478296659010669E-11 -1.287956810585769E-11 2.050742653077957E-11

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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