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11594 (1995 HP)
Classification: Main-belt Asteroid          SPK-ID: 2011594
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .239157042819419 2.4297e-08  
a 2.327164851475461 5.1703e-09 au
q 1.770606987443297 5.7534e-08 au
i 3.589500560253675 3.1742e-06 deg
node 100.068488917923 4.7708e-05 deg
peri 214.6995206620969 4.8246e-05 deg
M 10.88118939228934 7.4785e-06 deg
tp 2459161.306592866398
(2020-Nov-07.80659287)
2.6895e-05 TDB
period 1296.698923198151
3.55
4.3213e-06
1.183e-08
d
yr
n .2776280550246032 9.2521e-10 deg/d
Q 2.883722715507624 6.4068e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2171  
   data-arc span      9365 days (25.64 yr)  
   first obs. used      1995-04-26  
   last obs. used      2020-12-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4937  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 22:51:59  

Additional Information
 Earth MOID = .756198 au 
 Jupiter MOID = 2.41323 au 
 T_jup = 3.532 
[ show covariance matrix ]

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 14.47   n/a E2021B10  
diameter diameter 2.940 km 0.394 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 6.314 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
[Erasmus, N.; Navarro-Meza, S.; McNeill, A.; Trilling, D.E.; et al. (2020) Ap. J. Suppl. Ser. 247, A13.]
geometric albedo albedo 0.389   0.095 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

11594 (1995 HP)          Discovered 1995-Apr-27 by Ueda, S., Kaneda, H. at Kushiro
Reference: 19990928/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1995 HP = 1996 XG6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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