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100319 (1995 MY4)
Classification: Main-belt Asteroid          SPK-ID: 2100319
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1153734825836326 3.2127e-08  
a 2.28215734200119 9.249e-09 au
q 2.018856901650707 7.2571e-08 au
i 7.66411027856047 3.6805e-06 deg
node 128.4375347830467 3.5143e-05 deg
peri 156.209580114812 4.0902e-05 deg
M 111.9505433104662 2.1063e-05 deg
tp 2458808.901962511651
(2019-Nov-21.40196251)
7.3465e-05 TDB
period 1259.26404041512
3.45
7.6552e-06
2.096e-08
d
yr
n .2858812675071108 1.7379e-09 deg/d
Q 2.545457782351674 1.0316e-08 au
  Orbit Determination Parameters
   # obs. used (total)      739  
   data-arc span      9374 days (25.66 yr)  
   first obs. used      1995-06-04  
   last obs. used      2021-02-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55459  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:31:38  

Additional Information
 Earth MOID = 1.00313 au 
 Jupiter MOID = 2.59554 au 
 T_jup = 3.584 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457614.5 (2016-Aug-14.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1151286549942289 3.2075e-08  
q 2.019687482062472 7.2469e-08 au
tp 2457550.339227999709
(2016-Jun-10.83922800)
7.3683e-05 TDB
node 128.4644113439827 3.5164e-05 deg
peri 156.4809264107298 4.0965e-05 deg
i 7.661582770286368 3.6792e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      739  
   data-arc span      9374 days (25.66 yr)  
   first obs. used      1995-06-04  
   last obs. used      2021-02-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55459  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:31:38  

Additional Information
 Jupiter MOID = 2.59554 au 
 T_jup = 3.584 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.028834232630823E-15 -2.309814177964045E-15 -2.093510132380917E-13 -3.396008003888489E-15 -4.140312084388279E-14 -9.397965554988457E-17
q -2.309814177964045E-15 5.251778071497151E-15 4.518385972996398E-13 7.698416497965232E-15 8.702610562315897E-14 3.319448317765902E-16
tp -2.093510132380917E-13 4.518385972996398E-13 5.429249685218073E-9 -6.599695756350086E-12 1.572123388762839E-9 4.573696687305439E-12
node -3.396008003888489E-15 7.698416497965232E-15 -6.599695756350086E-12 1.236480134808479E-9 -1.22712883141973E-9 1.833574392898103E-11
peri -4.140312084388279E-14 8.702610562315897E-14 1.572123388762839E-9 -1.22712883141973E-9 1.678157315729043E-9 -1.689284601640952E-11
i -9.397965554988457E-17 3.319448317765902E-16 4.573696687305439E-12 1.833574392898103E-11 -1.689284601640952E-11 1.353652394071129E-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 16.2   n/a MPO532305  

100319 (1995 MY4)          Discovered 1995-Jun-22 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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Alternate Designations
 1995 MY4 = 2002 NT17 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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