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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1725110534990972 3.6711e-08  
a 3.241731676538731 2.1488e-08 au
q 2.68249712985764 1.2336e-07 au
i 15.60656552588641 5.0922e-06 deg
node 291.1486260162076 1.5676e-05 deg
peri 90.48903018451186 2.2728e-05 deg
M 40.64239581076584 1.4758e-05 deg
tp 2458959.819544765541
(2020-Apr-20.31954477)
8.7518e-05 TDB
period 2131.88622756963
5.84
2.1197e-05
5.803e-08
d
yr
n .168864546027113 1.679e-09 deg/d
Q 3.800966223219822 2.5195e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1655  
   data-arc span      12426 days (34.02 yr)  
   first obs. used      1987-01-10  
   last obs. used      2021-01-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43505  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 04:58:03  

Additional Information
 Earth MOID = 1.74176 au 
 Jupiter MOID = 1.93249 au 
 T_jup = 3.103 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457298.5 (2015-Oct-03.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1722967016777422 3.784e-08  
q 2.683891210109395 1.2707e-07 au
tp 2456812.141840987548
(2014-Jun-03.64184099)
8.9836e-05 TDB
node 291.8495952806518 1.5612e-05 deg
peri 87.85127241781041 2.2547e-05 deg
i 15.60369865982831 5.1057e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1655  
   data-arc span      12426 days (34.02 yr)  
   first obs. used      1987-01-10  
   last obs. used      2021-01-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43505  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 04:58:03  

Additional Information
 Jupiter MOID = 1.93249 au 
 T_jup = 3.103 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.431900868658318E-15 -4.764685282156952E-15 -1.106167618778567E-12 2.934987589626443E-15 -2.33390559531684E-13 1.869323500155099E-15
q -4.764685282156952E-15 1.614647828041361E-14 3.310288265675205E-12 -4.453068195323026E-15 7.219155822627447E-13 -7.208585188047724E-16
tp -1.106167618778567E-12 3.310288265675205E-12 8.070490061386401E-9 -2.342442685960974E-11 1.482206531589295E-9 4.119829468699414E-13
node 2.934987589626443E-15 -4.453068195323026E-15 -2.342442685960974E-11 2.437428997539319E-10 -2.383139108547738E-10 2.462601588784844E-11
peri -2.33390559531684E-13 7.219155822627447E-13 1.482206531589295E-9 -2.383139108547738E-10 5.08361596761964E-10 -2.390822990660465E-11
i 1.869323500155099E-15 -7.208585188047724E-16 4.119829468699414E-13 2.462601588784844E-11 -2.390822990660465E-11 2.606845440909905E-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 13.18   n/a E2021B10  
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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