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347855 (2002 RW30)
Classification: Main-belt Asteroid          SPK-ID: 2347855
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2916605555396634 6.7205e-08  
a 2.790722063800112 1.5549e-08 au
q 1.976778516315375 1.8979e-07 au
i 7.818594668142279 7.0849e-06 deg
node 322.0784259139414 4.4187e-05 deg
peri 42.12465812346043 4.529e-05 deg
M 279.4267540766891 9.3394e-06 deg
tp 2459381.619934167501
(2021-Jun-16.11993417)
4.5976e-05 TDB
period 1702.837892752757
4.66
1.4232e-05
3.897e-08
d
yr
n .2114117858970326 1.7669e-09 deg/d
Q 3.604665611284849 2.0085e-08 au
  Orbit Determination Parameters
   # obs. used (total)      298  
   data-arc span      6106 days (16.72 yr)  
   first obs. used      2002-08-12  
   last obs. used      2019-05-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52697  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 11:36:02  

Additional Information
 Earth MOID = .982102 au 
 Jupiter MOID = 1.91061 au 
 T_jup = 3.253 
[ 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 16.0   n/a MPO437472  
diameter diameter 2.661 km 0.778 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  
geometric albedo albedo 0.083   0.069 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  

347855 (2002 RW30)          Discovered 2002-Sep-04 by LONEOS at Anderson Mesa
Reference: 20121228/Numbers.arcLast Updated: 2013-01-02

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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