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101257 (1998 SE95)
Classification: Main-belt Asteroid          SPK-ID: 2101257
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .163878478911205 2.8348e-08  
a 2.355997977226506 8.3649e-09 au
q 1.969900612400751 6.6157e-08 au
i 5.145499803502727 4.0992e-06 deg
node 56.30766991928717 4.0093e-05 deg
peri 243.0918373065606 4.2516e-05 deg
M 98.32877941175158 1.5237e-05 deg
tp 2458839.722915926588
(2019-Dec-22.22291593)
5.5115e-05 TDB
period 1320.872190659026
3.62
7.0346e-06
1.926e-08
d
yr
n .2725471870373653 1.4515e-09 deg/d
Q 2.742095342052262 9.7357e-09 au
  Orbit Determination Parameters
   # obs. used (total)      695  
   data-arc span      10662 days (29.19 yr)  
   first obs. used      1991-11-02  
   last obs. used      2021-01-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53326  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:35:57  

Additional Information
 Earth MOID = .958742 au 
 Jupiter MOID = 2.46833 au 
 T_jup = 3.531 
[ 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 16.2   n/a MPO280447  

101257 (1998 SE95)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1998 SE95 = 2001 HU62 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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