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101230 (1998 SV72)
Classification: Main-belt Asteroid          SPK-ID: 2101230
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1769757675142617 3.9891e-08  
a 2.316499249927181 7.6176e-09 au
q 1.906535017225107 9.4128e-08 au
i 2.36302912941844 3.3741e-06 deg
node 81.56679686352864 0.00012155 deg
peri 242.5095641923724 0.00012226 deg
M 92.24389436865863 1.2408e-05 deg
tp 2458670.524419336446
(2019-Jul-06.02441934)
4.4461e-05 TDB
period 1287.79481668589
3.53
6.3522e-06
1.739e-08
d
yr
n .2795476385954492 1.3789e-09 deg/d
Q 2.726463482629256 8.9658e-09 au
  Orbit Determination Parameters
   # obs. used (total)      730  
   data-arc span      8093 days (22.16 yr)  
   first obs. used      1998-09-18  
   last obs. used      2020-11-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52642  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 22:28:57  

Additional Information
 Earth MOID = .895726 au 
 Jupiter MOID = 2.59067 au 
 T_jup = 3.558 
[ 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 16.0   n/a MPO436472  
rotation period rot_per 4.308 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

101230 (1998 SV72)          Discovered 1998-Sep-21 by Elst, E. W. at La Silla
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
1940-Apr-08 20:18 < 00:01 Hebe 0.047766626469835 0.0477600866741561 0.0477731672524571 5.3315070060855 5.33150698167465 2429728.345604902 0.523455687785739 476.258213557574 54.5186240358771 47.2026755153261 96677.4169459171 T 21 CATAB v2.0f-lin.ifort 2020-Dec-17 22:28:58 2020-Dec-17 22:28
1993-Feb-23 17:53 < 00:01 Hebe 0.0464848570080364 0.0464832865673297 0.0464864275060071 5.2511627907991 5.25116276533135 2449042.244922762 0.527525529306375 137.062026988446 54.0888247330072 63.2947723615821 117049.854795146 T 21 CATAB v2.0f-lin.ifort 2020-Dec-17 22:28:58 2020-Dec-17 22:28

Alternate Designations
 1998 SV72 = 1998 UP37 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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