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19744 (2000 AC176)
Classification: Main-belt Asteroid          SPK-ID: 2019744
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 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1342011573152661 1.8069e-08  
a 2.719640058706056 9.3695e-09 au
q 2.354661215346745 4.8464e-08 au
i 7.531931118422917 1.1769e-06 deg
node 190.1488121928208 5.2385e-06 deg
peri 68.90588336070978 1.2453e-05 deg
M 87.44547223086639 8.2329e-06 deg
tp 2458802.575757978873
(2019-Nov-15.07575798)
3.7167e-05 TDB
period 1638.194905613886
4.49
8.4657e-06
2.318e-08
d
yr
n .2197540712441027 1.1356e-09 deg/d
Q 3.084618902065367 1.0627e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2339  
   data-arc span      26018 days (71.23 yr)  
   first obs. used      1949-11-19  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45034  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:05:51  

Additional Information
 Earth MOID = 1.35117 au 
 Jupiter MOID = 1.98968 au 
 T_jup = 3.334 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457301.5 (2015-Oct-06.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1330778164847067 1.8089e-08  
q 2.358823285525858 4.8461e-08 au
tp 2457164.886536868433
(2015-May-22.38653687)
3.7687e-05 TDB
node 190.2295256294994 5.2434e-06 deg
peri 69.2646493067484 1.2517e-05 deg
i 7.530238515122437 1.1771e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2339  
   data-arc span      26018 days (71.23 yr)  
   first obs. used      1949-11-19  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45034  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:05:51  

Additional Information
 Jupiter MOID = 1.98968 au 
 T_jup = 3.334 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.272041054356886E-16 -8.64583825511388E-16 -9.099230090363926E-14 -5.653610186910031E-14 3.964061277113029E-14 -9.650203977861156E-15
q -8.64583825511388E-16 2.348450182258872E-15 2.11383755372431E-13 1.548457376349521E-13 -1.182865379561902E-13 2.627391798222096E-14
tp -9.099230090363926E-14 2.11383755372431E-13 1.42030246676334E-9 -3.60737904763586E-11 4.191960541196811E-10 -4.131954199718365E-12
node -5.653610186910031E-14 1.548457376349521E-13 -3.60737904763586E-11 2.749354897572087E-11 -3.965172936070383E-11 4.239389479977292E-12
peri 3.964061277113029E-14 -1.182865379561902E-13 4.191960541196811E-10 -3.965172936070383E-11 1.566753055701227E-10 -6.239064749069032E-12
i -9.650203977861156E-15 2.627391798222096E-14 -4.131954199718365E-12 4.239389479977292E-12 -6.239064749069032E-12 1.385641224670735E-12

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 13.36   n/a E2021B10  
diameter diameter 10.626 km 0.164 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
geometric albedo albedo 0.090   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

19744 (2000 AC176)          Discovered 2000-Jan-07 by LINEAR at Socorro
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2000 AC176 = 1983 GF1 = 1998 SA124 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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