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30282 (2000 HQ57)
Classification: Main-belt Asteroid          SPK-ID: 2030282
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 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1184460286924325 3.6445e-08  
a 2.317594271342111 7.0957e-09 au
q 2.043084433781306 8.2832e-08 au
i 6.310472147856471 4.1189e-06 deg
node 190.6597096576968 2.9005e-05 deg
peri 203.3520211265392 3.2628e-05 deg
M 136.165284516774 1.4397e-05 deg
tp 2458713.063061942825
(2019-Aug-17.56306194)
5.1423e-05 TDB
period 1288.708045691091
3.53
5.9184e-06
1.62e-08
d
yr
n .2793495401877033 1.2829e-09 deg/d
Q 2.592104108902916 7.9361e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1358  
   data-arc span      9663 days (26.46 yr)  
   first obs. used      1994-10-08  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50826  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 04:28:13  

Additional Information
 Earth MOID = 1.04926 au 
 Jupiter MOID = 2.82274 au 
 T_jup = 3.563 
[ 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 14.97   n/a E2021B10  
diameter diameter 2.476 km 0.670 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.457   0.167 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

30282 (2000 HQ57)          Discovered 2000-Apr-24 by LONEOS at Anderson Mesa
Reference: 20011002/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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