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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04780021176614054 2.8162e-08  
a 2.345213586020683 7.5281e-09 au
q 2.233111879972064 6.6761e-08 au
i 6.160119956942895 3.5954e-06 deg
node 171.6723661326777 2.6107e-05 deg
peri 324.6725013942288 4.5964e-05 deg
M 68.10089494871261 3.6707e-05 deg
tp 2458752.345390043724
(2019-Sep-25.84539004)
0.00013394 TDB
period 1311.813297777348
3.59
6.3164e-06
1.729e-08
d
yr
n .2744292961581963 1.3214e-09 deg/d
Q 2.457315292069301 7.888e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1936  
   data-arc span      15263 days (41.79 yr)  
   first obs. used      1978-09-02  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50124  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 17:51:48  

Additional Information
 Earth MOID = 1.24861 au 
 Jupiter MOID = 2.5353 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 14.4   n/a MPO416876  
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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