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101256 (1998 SA95)
Classification: Main-belt Asteroid          SPK-ID: 2101256
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2577048082021084 3.2044e-08  
a 2.622247355555829 1.2109e-08 au
q 1.946481603733828 8.2041e-08 au
i 6.191363181653095 4.7179e-06 deg
node 43.41373153106323 4.6935e-05 deg
peri 227.5125724949427 4.8207e-05 deg
M 97.76485228914592 1.1341e-05 deg
tp 2458579.299227803210
(2019-Apr-05.79922780)
4.8435e-05 TDB
period 1550.98969047058
4.25
1.0744e-05
2.942e-08
d
yr
n .2321098600537917 1.6078e-09 deg/d
Q 3.29801310737783 1.523e-08 au
  Orbit Determination Parameters
   # obs. used (total)      758  
   data-arc span      8083 days (22.13 yr)  
   first obs. used      1998-09-24  
   last obs. used      2020-11-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46599  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 04:28:29  

Additional Information
 Earth MOID = .936923 au 
 Jupiter MOID = 1.84225 au 
 T_jup = 3.348 
[ 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 15.2   n/a MPO502725  
diameter diameter 2.802 km 0.094 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 5.60 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Molnar, L.; Pal, A.; Sarneczky, K.; Szabo, R.; et al. (2018) Ap. J. Supp. Ser. 234, A37.]
geometric albedo albedo 0.225   0.077 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

101256 (1998 SA95)          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
1906-Feb-25 15:22 00:02 Jupiter 1.82928831483777 1.8292879850782 1.82928864459974 1.52149063723863 1.17850156758948 2417267.140161619 2.179804582989 171.328713395404 156.03011790292 -11.6716169570627 1262435.5679248 T 25 CATAB v2.0f-lin.ifort 2020-Dec-18 04:28:31 2020-Dec-18 04:28
1965-Dec-12 07:40 < 00:01 Jupiter 1.850750036125 1.85074955265781 1.85075051959893 1.24883214808625 0.802653607833602 2439106.819718755 0.992695290256196 330.918798620082 249.711003001758 5.01196662772748 1796143.53233361 T 25 CATAB v2.0f-lin.ifort 2020-Dec-18 04:28:31 2020-Dec-18 04:28
2012-Mar-31 18:13 < 00:01 Jupiter 1.94884473174513 1.9488442073162 1.94884525617606 2.17182722265321 1.961524268672 2456018.258912852 0.214568880936895 129.588022880113 24.4544972820378 -86.4585644097629 1997657.58168958 T 25 CATAB v2.0f-lin.ifort 2020-Dec-18 04:28:31 2020-Dec-18 04:28
2025-Sep-30 15:53 < 00:01 Jupiter 1.94401110540058 1.94401066404616 1.94401154675754 1.18002192918858 0.721827119263995 2460949.162022332 0.315830363229707 401.099073295764 213.779335472868 -2.38006687410696 1816924.54041768 T 25 CATAB v2.0f-lin.ifort 2020-Dec-18 04:28:31 2020-Dec-18 04:28
2072-Jan-19 02:46 00:01 Jupiter 1.85620233015606 1.85620173976013 1.85620292055738 1.65276978330217 1.34870592320309 2477860.615060982 1.18180989231633 211.628633809313 87.3857175787758 73.2013658834331 1591943.59155139 T 25 CATAB v2.0f-lin.ifort 2020-Dec-18 04:28:31 2020-Dec-18 04:28
2131-Nov-07 14:57 00:02 Jupiter 1.83517228531564 1.83517197050998 1.83517260012442 1.28145708970459 0.84795851179465 2499702.123022277 2.36878233059082 520.447960896139 176.526625908454 3.40267618564905 1016287.8692404 T 25 CATAB v2.0f-lin.ifort 2020-Dec-18 04:28:31 2020-Dec-18 04:28
2191-Aug-27 20:19 00:04 Jupiter 1.89106993810343 1.89106868004908 1.89107119623443 1.08428467556664 0.529018203063534 2521545.346640379 3.61351226921486 1252.51641706107 802.470784529343 -35.582233490039 1726226.50516735 T 25 CATAB v2.0f-lin.ifort 2020-Dec-18 04:28:31 2020-Dec-18 04:28

Alternate Designations
 1998 SA95 = 2002 QU8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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