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48830 (1997 YN2)
Classification: Outer Main-belt Asteroid          SPK-ID: 2048830
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1722922603420252 3.9843e-08  
a 3.240752698432004 2.2748e-08 au
q 2.682396090809636 1.3558e-07 au
i 15.60680366301566 5.3818e-06 deg
node 291.147498035857 1.6709e-05 deg
peri 90.44725825339394 2.3745e-05 deg
M 6.904208062194416 1.568e-05 deg
tp 2458959.632447077512
(2020-Apr-20.13244708)
9.2792e-05 TDB
period 2130.920580545132
5.83
2.2437e-05
6.143e-08
d
yr
n .1689410686098423 1.7788e-09 deg/d
Q 3.799109306054371 2.6668e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1499  
   data-arc span      12348 days (33.81 yr)  
   first obs. used      1987-01-10  
   last obs. used      2020-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4542  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:35:33  

Additional Information
 Earth MOID = 1.74284 au 
 Jupiter MOID = 1.93342 au 
 T_jup = 3.103 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457208.5 (2015-Jul-05.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1722907391918704 4.1112e-08  
q 2.683110458338136 1.3999e-07 au
tp 2456811.768849553106
(2014-Jun-03.26884955)
9.2532e-05 TDB
node 291.8501764820555 1.662e-05 deg
peri 87.75334475939465 2.3483e-05 deg
i 15.60648825055455 5.4008e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1499  
   data-arc span      12348 days (33.81 yr)  
   first obs. used      1987-01-10  
   last obs. used      2020-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4542  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:35:33  

Additional Information
 Jupiter MOID = 1.93342 au 
 T_jup = 3.103 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.690178426544609E-15 -5.709096355532219E-15 -1.4682378638587E-12 5.170686520039358E-15 -2.962491690481506E-13 2.386666316446763E-15
q -5.709096355532219E-15 1.959838629107488E-14 4.630488119334508E-12 -1.148511082956957E-14 9.496170697462248E-13 -1.90856482280169E-15
tp -1.4682378638587E-12 4.630488119334508E-12 8.56223238494336E-9 -2.091870888472212E-11 1.562167247749641E-9 1.694958072811071E-12
node 5.170686520039358E-15 -1.148511082956957E-14 -2.091870888472212E-11 2.762130293302828E-10 -2.691599847792822E-10 3.462371551892849E-11
peri -2.962491690481506E-13 9.496170697462248E-13 1.562167247749641E-9 -2.691599847792822E-10 5.514670772512783E-10 -3.330742054883206E-11
i 2.386666316446763E-15 -1.90856482280169E-15 1.694958072811071E-12 3.462371551892849E-11 -3.330742054883206E-11 2.91685525715442E-11

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 13.2   n/a MPO502481  
diameter diameter 9.894 km 0.155 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.070   0.049 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  

48830 (1997 YN2)          Discovered 1997-Dec-21 by Kobayashi, T. at Oizumi
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

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