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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1405115108672838 2.5534e-08  
a 2.429573787807578 7.1465e-09 au
q 2.088190704119186 6.3608e-08 au
i 1.705242376736105 3.4725e-06 deg
node 151.3847820939746 0.00010768 deg
peri 107.101647542699 0.00010886 deg
M 26.85538890073097 1.4367e-05 deg
tp 2459097.313587830764
(2020-Sep-04.81358783)
5.5273e-05 TDB
period 1383.227348456458
3.79
6.1031e-06
1.671e-08
d
yr
n .2602609038938707 1.1483e-09 deg/d
Q 2.770956871495971 8.1507e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1538  
   data-arc span      10120 days (27.71 yr)  
   first obs. used      1992-12-02  
   last obs. used      2020-08-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5053  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 10:12:45  

Additional Information
 Earth MOID = 1.0721 au 
 Jupiter MOID = 2.27829 au 
 T_jup = 3.494 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456988.5 (2014-Nov-27.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1410004329384359 2.5531e-08  
q 2.085870450414806 6.36e-08 au
tp 2456331.039686332793
(2013-Feb-07.53968633)
5.7934e-05 TDB
node 151.4151459674771 0.00010782 deg
peri 106.8747960220063 0.00010899 deg
i 1.703620848167823 3.4713e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1538  
   data-arc span      10120 days (27.71 yr)  
   first obs. used      1992-12-02  
   last obs. used      2020-08-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5053  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 10:12:45  

Additional Information
 Jupiter MOID = 2.27829 au 
 T_jup = 3.494 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.518329315947482E-16 -1.616561829654582E-15 -2.319401654126259E-13 9.32547661521234E-16 -5.423863470329455E-14 -4.795129905510416E-16
q -1.616561829654582E-15 4.044984282554474E-15 4.399437060481926E-13 -1.824987039626789E-15 1.016797899996133E-13 1.20769010685511E-15
tp -2.319401654126259E-13 4.399437060481926E-13 3.356394565550495E-9 -3.072337731177023E-12 9.283486735638769E-10 1.170247662771944E-12
node 9.32547661521234E-16 -1.824987039626789E-15 -3.072337731177023E-12 1.162614009450142E-8 -1.162166476418762E-8 1.383307209817934E-10
peri -5.423863470329455E-14 1.016797899996133E-13 9.283486735638769E-10 -1.162166476418762E-8 1.187835682802843E-8 -1.379530157044583E-10
i -4.795129905510416E-16 1.20769010685511E-15 1.170247662771944E-12 1.383307209817934E-10 -1.379530157044583E-10 1.204994021001924E-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 15.10   n/a E2021B10  
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

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