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11960 (1994 HA)
Classification: Main-belt Asteroid          SPK-ID: 2011960
[ 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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1432781264548513 1.6287e-08  
a 2.587851880156393 8.1782e-09 au
q 2.21706931122492 4.0939e-08 au
i 14.33325070801473 5.6231e-07 deg
node 200.9371919577556 1.8538e-06 deg
peri 71.67041922409956 9.8143e-06 deg
M 101.648341494948 7.7161e-06 deg
tp 2458771.156051607575
(2019-Oct-14.65605161)		 3.2023e-05 TDB
period 1520.5739626254
4.16		 7.2081e-06
1.973e-08		 d
yr
n .236752705786458 1.1223e-09 deg/d
Q 2.958634449087865 9.35e-09 au
   Orbit Determination Parameters
   # obs. used (total)      2199  
   data-arc span      11248 days (30.80 yr)  
   first obs. used      1990-05-20  
   last obs. used      2021-03-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45135  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 23:03:10  

Additional Information
 Earth MOID = 1.24829 au 
 Jupiter MOID = 2.19802 au 
 T_jup = 3.363 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457472.5 (2016-Mar-25.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1427848939848022 1.626e-08  
q 2.219268826712877 4.0871e-08 au
tp 2457251.306497811359
(2015-Aug-16.80649781)		 3.1375e-05 TDB
node 200.980975611173 1.8533e-06 deg
peri 71.99758239095465 9.8605e-06 deg
i 14.33554516686422 5.6256e-07 deg
   Orbit Determination Parameters
   # obs. used (total)      2199  
   data-arc span      11248 days (30.80 yr)  
   first obs. used      1990-05-20  
   last obs. used      2021-03-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45135  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 23:03:10  

Additional Information
 Jupiter MOID = 2.19802 au 
 T_jup = 3.363 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.643814285521338E-16 -6.552674451979656E-16 -9.60983721030964E-14 -4.977223407383052E-15 -1.182034166730825E-14 -3.35953481313073E-15
q -6.552674451979656E-16 1.670430118978619E-15 2.511756557706185E-13 1.27331438438306E-14 3.223164882049105E-14 8.58040984990895E-15
tp -9.60983721030964E-14 2.511756557706185E-13 9.843960138143472E-10 -9.123832272450648E-12 3.024548486240592E-10 2.406824333426502E-12
node -4.977223407383052E-15 1.27331438438306E-14 -9.123832272450648E-12 3.434829203933327E-12 -6.074388630303509E-12 3.263235203038893E-13
peri -1.182034166730825E-14 3.223164882049105E-14 3.024548486240592E-10 -6.074388630303509E-12 9.722972529366317E-11 1.326080559563471E-13
i -3.35953481313073E-15 8.58040984990895E-15 2.406824333426502E-12 3.263235203038893E-13 1.326080559563471E-13 3.164760918848519E-13

[ 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 13.6   n/a MPO296234  
diameter diameter 4.250 km 0.178 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.355   0.050 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

11960 (1994 HA)          Discovered 1994-Apr-17 by Kobayashi, T. at Oizumi
Reference: 19991026/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1994 HA = 1990 KD3 = 1990 ML1 = 1991 TP14 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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