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48913 (1998 OH2)
Classification: Main-belt Asteroid          SPK-ID: 2048913
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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1401666864070543 2.5557e-08  
a 2.42867151207685 7.1834e-09 au
q 2.088252673857828 6.3623e-08 au
i 1.705022510934806 3.5882e-06 deg
node 151.3965307279997 0.00010835 deg
peri 107.1054544955474 0.00010955 deg
M 334.7786784731898 1.4677e-05 deg
tp 2459097.353859778425
(2020-Sep-04.85385978)
5.6298e-05 TDB
period 1382.456882093548
3.78
6.1334e-06
1.679e-08
d
yr
n .2604059516524144 1.1553e-09 deg/d
Q 2.769090350295872 8.1902e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1466  
   data-arc span      10061 days (27.55 yr)  
   first obs. used      1992-12-02  
   last obs. used      2020-06-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50429  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 21:50:24  

Additional Information
 Earth MOID = 1.07383 au 
 Jupiter MOID = 2.28115 au 
 T_jup = 3.495 
[ 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 15.0   n/a MPO381621  
diameter diameter 4.409 km 1.199 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  
geometric albedo albedo 0.076   0.059 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  

48913 (1998 OH2)          Discovered 1998-Jul-25 by Comba, P. G. at Prescott
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

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