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48914 (1998 OG4)
Classification: Main-belt Asteroid          SPK-ID: 2048914
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1705361549409724 4.7462e-08  
a 2.320826193181728 9.7631e-09 au
q 1.925041417910222 1.0989e-07 au
i 3.746964646340927 5.0868e-06 deg
node 174.7621565195188 6.553e-05 deg
peri 199.711993350744 6.6643e-05 deg
M 265.9144191695379 1.3316e-05 deg
tp 2458938.007107072761
(2020-Mar-29.50710707)
4.8579e-05 TDB
period 1291.404670872322
3.54
8.1489e-06
2.231e-08
d
yr
n .2787662210922826 1.759e-09 deg/d
Q 2.716610968453234 1.1428e-08 au
  Orbit Determination Parameters
   # obs. used (total)      824  
   data-arc span      14852 days (40.66 yr)  
   first obs. used      1977-09-09  
   last obs. used      2018-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57424  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 00:33:43  

Additional Information
 Earth MOID = .925364 au 
 Jupiter MOID = 2.74298 au 
 T_jup = 3.555 
[ 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 15.7   n/a MPO432047  
diameter diameter 1.667 km 0.259 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.210   0.114 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

48914 (1998 OG4)          Discovered 1998-Jul-27 by ODAS at Caussols
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 OG4 = 1977 RE18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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