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30278 (2000 HN56)
Classification: Main-belt Asteroid          SPK-ID: 2030278
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06806695693498946 4.1635e-08  
a 2.902177661220532 1.3139e-08 au
q 2.704635259336545 1.2206e-07 au
i 3.319656561492737 4.2479e-06 deg
node 84.28934441314567 6.1434e-05 deg
peri 320.9753530367826 6.5451e-05 deg
M 231.6880884702411 2.4121e-05 deg
tp 2459844.148695523694
(2022-Sep-21.64869552)
0.00012269 TDB
period 1805.861417120183
4.94
1.2263e-05
3.357e-08
d
yr
n .1993508453013488 1.3538e-09 deg/d
Q 3.099720063104518 1.4033e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1858  
   data-arc span      9692 days (26.54 yr)  
   first obs. used      1994-01-07  
   last obs. used      2020-07-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48865  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 06:33:20  

Additional Information
 Earth MOID = 1.71398 au 
 Jupiter MOID = 2.17519 au 
 T_jup = 3.281 
[ 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 13.8   n/a MPO474155  
diameter diameter 5.661 km 0.336 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.241   0.032 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

30278 (2000 HN56)          Discovered 2000-Apr-24 by LONEOS at Anderson Mesa
Reference: 20011002/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2000 HN56 = 1999 CM87 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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