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100015 (1989 SR7)
Classification: Mars-crossing Asteroid          SPK-ID: 2100015
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2998752746498989 3.5766e-08  
a 2.3643344906254 8.0809e-09 au
q 1.65532903588488 8.5748e-08 au
i 4.388856889046739 3.532e-06 deg
node 269.3001510646794 5.1428e-05 deg
peri 88.78147867126388 5.1865e-05 deg
M 218.6407209930464 5.2124e-06 deg
tp 2459721.915124068908
(2022-May-22.41512407)
1.9815e-05 TDB
period 1327.889092130791
3.64
6.8077e-06
1.864e-08
d
yr
n .2711069788383664 1.3899e-09 deg/d
Q 3.073339945365921 1.0504e-08 au
  Orbit Determination Parameters
   # obs. used (total)      918  
   data-arc span      11471 days (31.41 yr)  
   first obs. used      1989-09-27  
   last obs. used      2021-02-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47595  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:30:10  

Additional Information
 Earth MOID = .657332 au 
 Jupiter MOID = 2.41183 au 
 T_jup = 3.483 
[ 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 15.8   n/a MPO469005  
rotation period rot_per 2.4172 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Benishek, V.; Pravec, P.; Hornoch, K.; Kusnirak, P.; et al. (2018) CBET 4565.]

100015 (1989 SR7)          Discovered 1989-Sep-28 by Shoemaker, C. S. at Palomar
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
1915-Oct-26 05:04 < 00:01 Amphi 0.0483514272902153 0.0483444496586978 0.0483584068094253 5.12304114608958 5.12304112288167 2420796.711263163 0.726747396186385 595.745045123187 60.6107782849716 54.691204550267 97607.6346390547 T 22 CATAB v2.0f-lin.ifort 2021-Apr-13 15:30:13 2021-Apr-13 15:30
2050-Mar-24 18:05 00:02 Hygie 0.0205236939443013 0.0205196469242382 0.0205277409665819 3.88439460748227 3.88439412283744 2469890.253584262 2.42111699429452 201.706266633696 69.182646203105 -3.29942823983937 15379.5522527985 T 22 CATAB v2.0f-lin.ifort 2021-Apr-13 15:30:13 2021-Apr-13 15:30
2067-Oct-01 14:04 00:03 Thisb 0.0493242877945217 0.0493207169581589 0.0493278589199282 3.04868474546326 3.04868470012118 2476290.086203610 2.56262418616704 278.602468063365 85.2617806913463 -53.9206652259658 71593.1548449974 T 22 CATAB v2.0f-lin.ifort 2021-Apr-13 15:30:13 2021-Apr-13 15:30
2136-Nov-16 02:00 00:07 Thisb 0.0410530562031666 0.041050889564879 0.041055224001049 2.92140944897716 2.92140939212633 2501537.583586486 6.70274525189065 567.968230875768 85.0192702297637 83.2067694274939 71665.0816834292 T 22 CATAB v2.0f-lin.ifort 2021-Apr-13 15:30:13 2021-Apr-13 15:30

Alternate Designations
 1989 SR7 = 2000 UC98 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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