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100293 (1995 DY7)
Classification: Main-belt Asteroid          SPK-ID: 2100293
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1990454918196066 3.5935e-08  
a 2.640706173060173 1.5222e-08 au
q 2.115085514092339 9.3866e-08 au
i 18.01048630906022 4.5807e-06 deg
node 163.7283030394435 1.5209e-05 deg
peri 155.9964551793412 1.9715e-05 deg
M 178.1807208343109 1.4745e-05 deg
tp 2458224.723251784870
(2018-Apr-16.22325178)
6.1358e-05 TDB
period 1567.395327899404
4.29
1.3552e-05
3.71e-08
d
yr
n .2296804090149137 1.9859e-09 deg/d
Q 3.166326832028006 1.8252e-08 au
  Orbit Determination Parameters
   # obs. used (total)      561  
   data-arc span      9103 days (24.92 yr)  
   first obs. used      1995-02-24  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55163  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 01:03:33  

Additional Information
 Earth MOID = 1.11434 au 
 Jupiter MOID = 2.2601 au 
 T_jup = 3.298 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457067.5 (2015-Feb-14.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2009289658191415 3.6181e-08  
q 2.108449512709929 9.4662e-08 au
tp 2456655.337651378870
(2013-Dec-28.83765138)
5.6306e-05 TDB
node 163.7874231668677 1.5198e-05 deg
peri 155.4911017776847 1.9564e-05 deg
i 18.0226904579484 4.5828e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      561  
   data-arc span      9103 days (24.92 yr)  
   first obs. used      1995-02-24  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55163  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 01:03:33  

Additional Information
 Jupiter MOID = 2.2601 au 
 T_jup = 3.298 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.309045009636493E-15 -3.397582629226836E-15 2.958155250372373E-13 1.149322890970567E-14 4.814930913498092E-14 3.289740849206972E-16
q -3.397582629226836E-15 8.960909832786865E-15 -6.596998234032376E-13 -2.882661903330634E-14 -9.423752219859842E-14 -2.49663033340079E-16
tp 2.958155250372373E-13 -6.596998234032376E-13 3.170334908104656E-9 1.93741784433847E-11 7.190624566625633E-10 5.274006579743605E-12
node 1.149322890970567E-14 -2.882661903330634E-14 1.93741784433847E-11 2.309717966103013E-10 -2.149940777719923E-10 1.093182586837975E-11
peri 4.814930913498092E-14 -9.423752219859842E-14 7.190624566625633E-10 -2.149940777719923E-10 3.827558017349207E-10 -9.253094835756217E-12
i 3.289740849206972E-16 -2.49663033340079E-16 5.274006579743605E-12 1.093182586837975E-11 -9.253094835756217E-12 2.10019427515847E-11

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 15.5   n/a MPO453457  

100293 (1995 DY7)          Discovered 1995-Feb-24 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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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
1932-Jul-31 03:11 00:04 Iris 0.0275682520250949 0.0275412480748869 0.0275952767670021 9.08103708731658 9.0810370643536 2426919.632504783 3.50871475498184 1800.26000489081 45.2052751746384 41.5809554568668 60564.1161931269 T 19 CATAB v2.0f-lin.ifort 2020-Feb-24 01:03:44 2020-Feb-24 01:03
2098-May-17 09:49 00:02 Europ 0.020292560735559 0.0202848971763434 0.0203002678671024 5.97124949882067 5.97124941110652 2487475.908922916 1.63491374870225 1553.66612645061 67.2058624234849 75.9370269561824 43804.1396801678 T 19 CATAB v2.0f-lin.ifort 2020-Feb-24 01:03:44 2020-Feb-24 01:03
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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