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101272 (1998 SN113)
Classification: Main-belt Asteroid          SPK-ID: 2101272
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1465926228132922 4.5462e-08  
a 2.687609798352703 1.0861e-08 au
q 2.293626028913477 1.2118e-07 au
i 5.852593382308482 5.2821e-06 deg
node 143.1260078221772 4.8176e-05 deg
peri 174.1755946890042 5.1911e-05 deg
M 53.91591081725162 1.8756e-05 deg
tp 2458959.474942023934
(2020-Apr-19.97494202)
8.3807e-05 TDB
period 1609.339795176378
4.41
9.7556e-06
2.671e-08
d
yr
n .2236942136638989 1.356e-09 deg/d
Q 3.08159356779193 1.2453e-08 au
  Orbit Determination Parameters
   # obs. used (total)      559  
   data-arc span      9535 days (26.11 yr)  
   first obs. used      1994-11-29  
   last obs. used      2021-01-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57085  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:27:50  

Additional Information
 Earth MOID = 1.27841 au 
 Jupiter MOID = 2.21278 au 
 T_jup = 3.350 
[ 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 15.91   n/a E2021B55  
diameter diameter 2.974 km 0.472 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.092   0.025 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

101272 (1998 SN113)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1998 SN113 = 2002 NY33 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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