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160690 (2000 HD7)
Classification: Main-belt Asteroid          SPK-ID: 2160690
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2526654307545049 4.1724e-08  
a 2.238037351903042 9.4281e-09 au
q 1.672562680339788 9.3606e-08 au
i 11.54825064018016 6.7381e-06 deg
node 47.18894461258487 1.9009e-05 deg
peri 289.0199419297114 2.3353e-05 deg
M 277.6609324651453 1.5127e-05 deg
tp 2459280.206697917034
(2021-Mar-06.70669792)
5.234e-05 TDB
period 1222.923871557173
3.35
7.7276e-06
2.116e-08
d
yr
n .2943764598703964 1.8602e-09 deg/d
Q 2.803512023466295 1.181e-08 au
  Orbit Determination Parameters
   # obs. used (total)      447  
   data-arc span      7358 days (20.15 yr)  
   first obs. used      2000-04-25  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50786  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 03:08:44  

Additional Information
 Earth MOID = .707307 au 
 Jupiter MOID = 2.68001 au 
 T_jup = 3.568 
[ 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 16.7   n/a MPO260167  
diameter diameter 2.809 km 0.118 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.047   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

160690 (2000 HD7)          Discovered 2000-Apr-25 by Spacewatch at Kitt Peak
Reference: 20070828/Numbers.arcLast Updated: 2007-08-30

Alternate Designations
 2000 HD7 = 2004 RN306 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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