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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 ]

[ show orbit diagram ]
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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457510.5 (2016-May-02.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1409998214924087 8.2852e-08  
q 2.228357856766655 2.0863e-07 au
tp 2456985.268042892938
(2014-Nov-23.76804289)
0.00014941 TDB
node 13.52895813536366 2.3486e-05 deg
peri 298.7531049821732 3.8997e-05 deg
i 14.20274756572621 7.6752e-06 deg
  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
 Jupiter MOID = 2.46958 au 
 T_jup = 3.361 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.864457187907162E-15 -1.724425672143183E-14 7.527384723473749E-12 5.621400926925477E-14 1.333525171774816E-12 6.055485221182133E-15
q -1.724425672143183E-14 4.352617451115081E-14 -1.864513740679693E-11 -1.415436460974629E-13 -3.277240831585548E-12 -1.413028975631864E-14
tp 7.527384723473749E-12 -1.864513740679693E-11 2.232283969688497E-8 1.197302538830447E-10 4.650086554903836E-9 -7.373196041362376E-12
node 5.621400926925477E-14 -1.415436460974629E-13 1.197302538830447E-10 5.515732968851243E-10 -5.095187918546717E-10 1.242431674558573E-11
peri 1.333525171774816E-12 -3.277240831585548E-12 4.650086554903836E-9 -5.095187918546717E-10 1.520752680722579E-9 -1.405131202139788E-11
i 6.055485221182133E-15 -1.413028975631864E-14 -7.373196041362376E-12 1.242431674558573E-11 -1.405131202139788E-11 5.890911272018963E-11

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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