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27732 (1990 RH7)
Classification: Main-belt Asteroid          SPK-ID: 2027732
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2047750870473391 5.0551e-08  
a 3.113007580216986 1.7901e-08 au
q 2.475541181999026 1.5465e-07 au
i 2.286034174355162 4.2373e-06 deg
node 77.88797844788284 0.00012223 deg
peri 311.1036461773885 0.00012266 deg
M 108.1284983942341 9.5328e-06 deg
tp 2458397.931582385212
(2018-Oct-06.43158239)
5.2488e-05 TDB
period 2006.174445800787
5.49
1.7304e-05
4.738e-08
d
yr
n .179446010168025 1.5478e-09 deg/d
Q 3.750473978434945 2.1566e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1183  
   data-arc span      10844 days (29.69 yr)  
   first obs. used      1990-08-20  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51832  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 06:22:20  

Additional Information
 Earth MOID = 1.48146 au 
 Jupiter MOID = 1.69688 au 
 T_jup = 3.184 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.3   n/a MPO337492  
diameter diameter 5.499 km 1.956 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.080   0.036 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

27732 (1990 RH7)          Discovered 1990-Sep-13 by Debehogne, H. at La Silla
Reference: 20010902/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1990 RH7 = 1990 QB14 = 1994 JF6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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