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JPL Small-Body Database Browser
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48904 (1998 ME34)
Classification: Main-belt Asteroid          SPK-ID: 2048904
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1835825269105713 3.7733e-08  
a 2.29846640816327 8.0177e-09 au
q 1.876508136933593 8.5935e-08 au
i 6.575905841845215 3.8464e-06 deg
node 91.26478476182731 3.673e-05 deg
peri 200.5357455825886 3.8601e-05 deg
M 102.1568366516556 1.1048e-05 deg
tp 2458639.322569648036
(2019-Jun-04.82256965)
3.9222e-05 TDB
period 1272.786816706894
3.48
6.6598e-06
1.823e-08
d
yr
n .2828439101305552 1.48e-09 deg/d
Q 2.720424679392948 9.4896e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1054  
   data-arc span      10374 days (28.40 yr)  
   first obs. used      1991-07-04  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53687  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 03:38:53  

Additional Information
 Earth MOID = .861861 au 
 Jupiter MOID = 2.45814 au 
 T_jup = 3.562 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457034.5 (2015-Jan-12.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1833673126832531 3.7708e-08  
q 1.877090197187229 8.5866e-08 au
tp 2457367.153450822377
(2015-Dec-10.65345082)
4.0668e-05 TDB
node 91.28187554371216 3.6747e-05 deg
peri 200.6780543248251 3.8625e-05 deg
i 6.574539108318127 3.8451e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1054  
   data-arc span      10374 days (28.40 yr)  
   first obs. used      1991-07-04  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53687  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 03:38:53  

Additional Information
 Jupiter MOID = 2.45814 au 
 T_jup = 3.562 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.421882269923575E-15 -3.228480763986095E-15 4.820474804137745E-13 2.126187254772808E-14 1.331025664936562E-13 -6.957430626177089E-16
q -3.228480763986095E-15 7.37296340842811E-15 -1.183885409236109E-12 -4.922888028470478E-14 -3.309722381846688E-13 1.518953373594338E-15
tp 4.820474804137745E-13 -1.183885409236109E-12 1.653870744608578E-9 2.493264170509056E-11 5.000927454346724E-10 1.362341229798966E-12
node 2.126187254772808E-14 -4.922888028470478E-14 2.493264170509056E-11 1.350309370737673E-9 -1.33356534214352E-9 3.234513063933618E-11
peri 1.331025664936562E-13 -3.309722381846688E-13 5.000927454346724E-10 -1.33356534214352E-9 1.491855195311942E-9 -3.168502765896696E-11
i -6.957430626177089E-16 1.518953373594338E-15 1.362341229798966E-12 3.234513063933618E-11 -3.168502765896696E-11 1.478459987750759E-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 15.2   n/a MPO436125  

48904 (1998 ME34)          Discovered 1998-Jun-24 by LINEAR at Socorro
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 ME34 = 1991 NY2 = 2001 FC127 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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