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101246 (1998 SS87)
Classification: Main-belt Asteroid          SPK-ID: 2101246
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1752472861942853 4.6543e-08  
a 2.341957760433653 1.1274e-08 au
q 1.931536018536009 1.077e-07 au
i 1.730611963622427 4.5101e-06 deg
node 283.7549467899951 0.00017674 deg
peri 117.1399058105699 0.00017734 deg
M 353.0777226530178 1.366e-05 deg
tp 2459025.671755726978
(2020-Jun-25.17175573)
4.971e-05 TDB
period 1309.082489401071
3.58
9.4527e-06
2.588e-08
d
yr
n .2750017687309427 1.9857e-09 deg/d
Q 2.752379502331297 1.325e-08 au
  Orbit Determination Parameters
   # obs. used (total)      443  
   data-arc span      8096 days (22.17 yr)  
   first obs. used      1998-09-15  
   last obs. used      2020-11-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58947  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 22:28:58  

Additional Information
 Earth MOID = .940513 au 
 Jupiter MOID = 2.65274 au 
 T_jup = 3.542 
[ 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 16.5   n/a MPO436472  
diameter diameter 3.039 km 0.062 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.048   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

101246 (1998 SS87)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1935-Dec-09 12:08 00:10 Amphi 0.049143534245449 0.0491322478221141 0.0491548210699869 2.04746238478961 2.04746232765613 2428146.005787053 9.56849766946911 603.742301420679 33.4581564989987 -21.5404370209561 81306.6799253135 T 20 CATAB v2.0f-lin.ifort 2020-Dec-17 22:29:00 2020-Dec-17 22:29

Alternate Designations
 1998 SS87 = 2002 YZ24 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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