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15674 (1978 RR7)
Classification: Main-belt Asteroid          SPK-ID: 2015674
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04766468135924032 2.8052e-08  
a 2.345590499598184 7.4243e-09 au
q 2.233788675835575 6.6381e-08 au
i 6.160012496459203 3.5819e-06 deg
node 171.6661345149002 2.6079e-05 deg
peri 324.8602958461915 4.6025e-05 deg
M 122.8103093149238 3.6768e-05 deg
tp 2458752.880454219895
(2019-Sep-26.38045422)
0.00013432 TDB
period 1312.129554756001
3.59
6.2297e-06
1.706e-08
d
yr
n .2743631516378308 1.3026e-09 deg/d
Q 2.457392323360792 7.7782e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1983  
   data-arc span      15295 days (41.88 yr)  
   first obs. used      1978-09-02  
   last obs. used      2020-07-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50031  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 01:05:32  

Additional Information
 Earth MOID = 1.24908 au 
 Jupiter MOID = 2.53396 au 
 T_jup = 3.552 
[ 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 14.47   n/a E2021B10  
diameter diameter 2.529 km 0.653 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.577   0.218 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15674 (1978 RR7)          Discovered 1978-Sep-02 by Lagerkvist, C.-I. at La Silla
Reference: 20000726/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1978 RR7 = 1978 RP11 = 1991 CS5 = 1999 LZ13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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