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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2527188958503914 3.9099e-08  
a 2.238575005136145 9.4585e-09 au
q 1.672844801559854 8.7622e-08 au
i 11.54653881804653 5.7409e-06 deg
node 47.18160712081955 1.8727e-05 deg
peri 288.9717343732132 2.225e-05 deg
M 336.5766008517318 1.4404e-05 deg
tp 2459280.098213524681
(2021-Mar-06.59821352)
4.9255e-05 TDB
period 1223.364580328378
3.35
7.7535e-06
2.123e-08
d
yr
n .2942704127524829 1.865e-09 deg/d
Q 2.804305208712436 1.1849e-08 au
  Orbit Determination Parameters
   # obs. used (total)      458  
   data-arc span      7358 days (20.15 yr)  
   first obs. used      2000-04-25  
   last obs. used      2020-06-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50773  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:02:24  

Additional Information
 Earth MOID = .705926 au 
 Jupiter MOID = 2.67948 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 16.71   n/a E2021B55  
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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