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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1435538726839346 4.518e-08  
a 2.588593877697678 9.7525e-09 au
q 2.216991201748252 1.1841e-07 au
i 14.33518595833609 5.2099e-06 deg
node 200.9776763953967 1.6896e-05 deg
peri 71.90591582136867 2.4525e-05 deg
M 319.3972626174211 1.5903e-05 deg
tp 2458772.072278881432
(2019-Oct-15.57227888)
6.7181e-05 TDB
period 1521.22798557461
4.16
8.5968e-06
2.354e-08
d
yr
n .2366509184775601 1.3374e-09 deg/d
Q 2.960196553647102 1.1153e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1510  
   data-arc span      10713 days (29.33 yr)  
   first obs. used      1990-05-20  
   last obs. used      2019-09-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51271  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 01:10:54  

Additional Information
 Earth MOID = 1.24962 au 
 Jupiter MOID = 2.19938 au 
 T_jup = 3.363 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456599.5 (2013-Nov-03.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1420477544736233 4.5259e-08  
q 2.222543690061707 1.1826e-07 au
tp 2457250.446422408323
(2015-Aug-15.94642241)
6.8967e-05 TDB
node 201.0474419922319 1.6895e-05 deg
peri 71.58608950713472 2.4679e-05 deg
i 14.32885486156807 5.2104e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1510  
   data-arc span      10713 days (29.33 yr)  
   first obs. used      1990-05-20  
   last obs. used      2019-09-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51271  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 01:10:54  

Additional Information
 Jupiter MOID = 2.19938 au 
 T_jup = 3.363 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.048376199147419E-15 -5.338662945135053E-15 -1.352444366417496E-12 1.620985902512751E-14 -3.171942687614783E-13 -1.316564435807551E-14
q -5.338662945135053E-15 1.398503520119692E-14 3.401384435721996E-12 -4.313661387503664E-14 7.86999353499789E-13 3.409240066169273E-14
tp -1.352444366417496E-12 3.401384435721996E-12 4.756412484378445E-9 -1.284808641202925E-11 1.256613633831737E-9 1.547872368414573E-11
node 1.620985902512751E-14 -4.313661387503664E-14 -1.284808641202925E-11 2.854284920249072E-10 -2.79044469368245E-10 4.088045800749255E-11
peri -3.171942687614783E-13 7.86999353499789E-13 1.256613633831737E-9 -2.79044469368245E-10 6.090574968429569E-10 -3.581972906053482E-11
i -1.316564435807551E-14 3.409240066169273E-14 1.547872368414573E-11 4.088045800749255E-11 -3.581972906053482E-11 2.714776839120546E-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 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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