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48760 (1997 HM11)
Classification: Main-belt Asteroid          SPK-ID: 2048760
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1137498683317738 3.7665e-08  
a 2.581354826099966 1.2023e-08 au
q 2.287726054513506 9.6905e-08 au
i 2.007504655220218 4.5829e-06 deg
node 339.1852472868395 0.00012124 deg
peri 254.7580028129726 0.00012326 deg
M 193.2340385774118 2.5225e-05 deg
tp 2459702.237840522287
(2022-May-02.73784052)
0.00010859 TDB
period 1514.851234826423
4.15
1.0584e-05
2.898e-08
d
yr
n .2376470980935961 1.6603e-09 deg/d
Q 2.874983597686427 1.3391e-08 au
  Orbit Determination Parameters
   # obs. used (total)      941  
   data-arc span      10970 days (30.03 yr)  
   first obs. used      1990-10-15  
   last obs. used      2020-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54403  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:35:54  

Additional Information
 Earth MOID = 1.27752 au 
 Jupiter MOID = 2.12365 au 
 T_jup = 3.414 
[ 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 15.3   n/a MPO452834  

48760 (1997 HM11)          Discovered 1997-Apr-30 by LINEAR at Socorro
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 HM11 = 1998 SX77 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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