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138095 (2000 DK79)
Classification: Amor [NEO]          SPK-ID: 2138095
[ 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 146 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4143428447918962 4.8817e-08  
a 1.776662280661644 6.2231e-09 au
q 1.04051497705784 8.6782e-08 au
i 60.67830320957739 8.3484e-06 deg
node 43.46285842426257 2.1993e-06 deg
peri 2.546686733760224 7.6326e-06 deg
M 274.2097863136158 6.4362e-06 deg
tp 2459206.629903020502
(2020-Dec-23.12990302)		 1.6432e-05 TDB
period 864.9793711745702
2.37		 4.5446e-06
1.244e-08		 d
yr
n .4161948966611191 2.1867e-09 deg/d
Q 2.512809584265448 8.8016e-09 au
   Orbit Determination Parameters
   # obs. used (total)      642  
   # delay obs. used      3  
   # Doppler obs. used      1  
   data-arc span      12709 days (34.80 yr)  
   first obs. used      1986-04-09  
   last obs. used      2021-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5574  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jan-25 05:31:36  

Additional Information
 Earth MOID = .0500597 au 
 Jupiter MOID = 2.91114 au 
 T_jup = 3.450 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457667.5 (2016-Oct-06.0) TDB
Reference: JPL 146 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4142496800159345 4.8811e-08  
q 1.04067227248363 8.6753e-08 au
tp 2457476.691225947573
(2016-Mar-29.19122595)		 9.1741e-06 TDB
node 43.4711243914212 2.1985e-06 deg
peri 2.496950478307042 7.6388e-06 deg
i 60.67901337637293 8.3479e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      642  
   # delay obs. used      3  
   # Doppler obs. used      1  
   data-arc span      12709 days (34.80 yr)  
   first obs. used      1986-04-09  
   last obs. used      2021-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5574  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jan-25 05:31:36  

Additional Information
 Jupiter MOID = 2.91114 au 
 T_jup = 3.450 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.382550625118905E-15 -4.230769780052309E-15 -4.365176145824426E-14 -9.318096395781728E-14 -8.146247300054355E-14 3.858197577622147E-14
q -4.230769780052309E-15 7.526024845580814E-15 9.836241243896824E-14 1.653840818785964E-13 1.506088386456497E-13 -7.109460251262639E-14
tp -4.365176145824426E-14 9.836241243896824E-14 8.416431877842393E-11 4.428125460899E-12 5.803254021941161E-11 1.987122656510229E-11
node -9.318096395781728E-14 1.653840818785964E-13 4.428125460899E-12 4.833394290574044E-12 2.961647363515827E-12 7.463215530408422E-12
peri -8.146247300054355E-14 1.506088386456497E-13 5.803254021941161E-11 2.961647363515827E-12 5.835074780487836E-11 -3.752044348893278E-13
i 3.858197577622147E-14 -7.109460251262639E-14 1.987122656510229E-11 7.463215530408422E-12 -3.752044348893278E-13 6.968732314832713E-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 16.0   n/a MPO410786  
rotation period rot_per 4.243 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Hicks, M.; Ebelhar, S. (2013) Astronomer's Telegram 5591. http://www.astronomerstelegram.org]
[Warner, B.D.; Stephens, R.D.; Pray, D.P. (2014) Minor Planet Bull. 41, 75-76.]

138095 (2000 DK79)          Discovered 2000-Feb-26 by LINEAR at Socorro
Reference: 20061205/Numbers.arcLast Updated: 2006-12-13

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