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120621 (1996 AS13)
Classification: Main-belt Asteroid          SPK-ID: 2120621
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2073884177884765 3.8907e-08  
a 3.11229384369311 2.0997e-08 au
q 2.46684014775678 1.2072e-07 au
i 10.4593395519549 4.4782e-06 deg
node 116.4091897214396 2.3999e-05 deg
peri 288.8202432511315 2.6447e-05 deg
M 275.7640540181142 1.3786e-05 deg
tp 2459669.760797157902
(2022-Mar-31.26079716)
8.0544e-05 TDB
period 2005.484535226477
5.49
2.0295e-05
5.556e-08
d
yr
n .1795077417335185 1.8166e-09 deg/d
Q 3.75774753962944 2.5352e-08 au
  Orbit Determination Parameters
   # obs. used (total)      555  
   data-arc span      8542 days (23.39 yr)  
   first obs. used      1996-01-15  
   last obs. used      2019-06-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52282  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 17:07:23  

Additional Information
 Earth MOID = 1.50006 au 
 Jupiter MOID = 1.7485 au 
 T_jup = 3.160 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456682.5 (2014-Jan-25.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2129019131365219 3.8996e-08  
q 2.440666207653933 1.2111e-07 au
tp 2457672.376954288086
(2016-Oct-10.87695429)
6.4656e-05 TDB
node 116.5005506703477 2.4094e-05 deg
peri 289.2405026522783 2.6407e-05 deg
i 10.45368761628682 4.4791e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      555  
   data-arc span      8542 days (23.39 yr)  
   first obs. used      1996-01-15  
   last obs. used      2019-06-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52282  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 17:07:23  

Additional Information
 Jupiter MOID = 1.7485 au 
 T_jup = 3.160 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.520702967785553E-15 -4.682098018315311E-15 3.435004434955047E-13 -3.671680860672167E-15 6.979543342070418E-14 -2.992612782252839E-15
q -4.682098018315311E-15 1.466730636891203E-14 -4.29012786241308E-13 1.214010246955683E-14 -1.338426469005889E-13 9.550966550535804E-15
tp 3.435004434955047E-13 -4.29012786241308E-13 4.180349066707356E-9 -1.184051366625359E-12 7.152492429609914E-10 1.017995863009546E-13
node -3.671680860672167E-15 1.214010246955683E-14 -1.184051366625359E-12 5.805294852391505E-10 -5.70878300315747E-10 -1.67536437944265E-11
peri 6.979543342070418E-14 -1.338426469005889E-13 7.152492429609914E-10 -5.70878300315747E-10 6.973291640271704E-10 1.644615721508744E-11
i -2.992612782252839E-15 9.550966550535804E-15 1.017995863009546E-13 -1.67536437944265E-11 1.644615721508744E-11 2.006210046925483E-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 15.2   n/a MPO436582  
diameter diameter 3.508 km 0.831 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.143   0.121 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

120621 (1996 AS13)          Discovered 1996-Jan-15 by Spacewatch at Kitt Peak
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

[ show close-approach data ]
Alternate Designations
 1996 AS13 = 2000 YE88 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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