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101276 (1998 SN115)
Classification: Main-belt Asteroid          SPK-ID: 2101276
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1395788910384203 8.2686e-08  
a 2.595557300171658 1.8738e-08 au
q 2.233272290587022 2.0795e-07 au
i 14.19006103523237 7.6702e-06 deg
node 13.49857050707453 2.3511e-05 deg
peri 298.7307364405336 3.9195e-05 deg
M 115.2019351397051 3.7718e-05 deg
tp 2458511.733274851369
(2019-Jan-28.23327485)
0.00015746 TDB
period 1527.370359188201
4.18
1.654e-05
4.528e-08
d
yr
n .2356992184864321 2.5524e-09 deg/d
Q 2.957842309756295 2.1354e-08 au
  Orbit Determination Parameters
   # obs. used (total)      530  
   data-arc span      8075 days (22.11 yr)  
   first obs. used      1998-09-26  
   last obs. used      2020-11-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4955  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 04:28:33  

Additional Information
 Earth MOID = 1.2589 au 
 Jupiter MOID = 2.46958 au 
 T_jup = 3.361 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.7   n/a MPO502725  
diameter diameter 2.743 km 0.511 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.135   0.098 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

101276 (1998 SN115)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1998 SN115 = 2002 RP136 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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