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48694 (1996 HP)
Classification: Main-belt Asteroid          SPK-ID: 2048694
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09247288338646001 4.9347e-08  
a 2.581317074662477 1.0212e-08 au
q 2.342615241833736 1.2905e-07 au
i 14.47963690626702 4.4358e-06 deg
node 52.17312454583664 1.8655e-05 deg
peri 113.5011613045269 3.1585e-05 deg
M 25.34327781268709 2.4681e-05 deg
tp 2459093.859851381418
(2020-Sep-01.35985138)
0.00010375 TDB
period 1514.818003670812
4.15
8.9893e-06
2.461e-08
d
yr
n .2376523114510278 1.4103e-09 deg/d
Q 2.820018907491219 1.1156e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1785  
   data-arc span      25904 days (70.92 yr)  
   first obs. used      1950-04-20  
   last obs. used      2021-03-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50202  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 05:55:08  

Additional Information
 Earth MOID = 1.38436 au 
 Jupiter MOID = 2.22222 au 
 T_jup = 3.374 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.91   n/a MPCxxxxx  
diameter diameter 4.812 km 0.202 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 94.0207 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:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.192   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

48694 (1996 HP)          Discovered 1996-Apr-18 by Sarounova, L. at Ondrejov
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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