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43678 (2002 HP)
Classification: Main-belt Asteroid          SPK-ID: 2043678
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2124698424076839 3.3953e-08  
a 2.41825026357872 1.1415e-08 au
q 1.904445011173809 8.4438e-08 au
i 4.494036999650879 3.8533e-06 deg
node 99.76004281628917 6.5197e-05 deg
peri 177.6109599185691 6.6349e-05 deg
M 300.932805368775 1.5494e-05 deg
tp 2459425.868978645521
(2021-Jul-30.36897865)
6.0011e-05 TDB
period 1373.568404914524
3.76
9.7253e-06
2.663e-08
d
yr
n .2620910605630903 1.8557e-09 deg/d
Q 2.93205551598363 1.384e-08 au
  Orbit Determination Parameters
   # obs. used (total)      743  
   data-arc span      9364 days (25.64 yr)  
   first obs. used      1995-07-30  
   last obs. used      2021-03-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57694  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 05:26:33  

Additional Information
 Earth MOID = .886156 au 
 Jupiter MOID = 2.20021 au 
 T_jup = 3.480 
[ 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 15.64   n/a E2021B10  
diameter diameter 1.848 km 0.441 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.206   0.099 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

43678 (2002 HP)          Discovered 2002-Apr-16 by Yeung, W. K. Y. at Desert Eagle
Reference: 20020624/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2002 HP = 1995 OH17 = 2000 YD127 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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