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70655 (1999 TR256)
Classification: Main-belt Asteroid          SPK-ID: 2070655
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ 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 .1137966236827277 4.1102e-08  
a 2.433695030949731 1.1298e-08 au
q 2.15674875335422 1.016e-07 au
i 6.435862953146565 4.6273e-06 deg
node 5.356312147054528 3.5722e-05 deg
peri 211.3518788455085 4.058e-05 deg
M 355.3681978380305 2.1351e-05 deg
tp 2459218.342066769438
(2021-Jan-03.84206677)
8.2292e-05 TDB
period 1386.748356770639
3.80
9.657e-06
2.644e-08
d
yr
n .2596000912799654 1.8078e-09 deg/d
Q 2.710641308545242 1.2584e-08 au
  Orbit Determination Parameters
   # obs. used (total)      966  
   data-arc span      9051 days (24.78 yr)  
   first obs. used      1995-08-29  
   last obs. used      2020-06-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50933  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:51:00  

Additional Information
 Earth MOID = 1.1522 au 
 Jupiter MOID = 2.26556 au 
 T_jup = 3.488 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457015.5 (2014-Dec-24.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1144215820975467 4.1012e-08  
q 2.155413494474291 1.0143e-07 au
tp 2456444.869221998077
(2013-Jun-01.36922200)
7.7339e-05 TDB
node 5.379378651795613 3.5711e-05 deg
peri 211.4765927097563 4.0547e-05 deg
i 6.43764088496977 4.6277e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      966  
   data-arc span      9051 days (24.78 yr)  
   first obs. used      1995-08-29  
   last obs. used      2020-06-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50933  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:51:00  

Additional Information
 Jupiter MOID = 2.26556 au 
 T_jup = 3.488 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.68196085583103E-15 -4.139977309431117E-15 -7.010820178498964E-13 4.955981160082805E-15 -1.551117791218666E-13 -4.786300417136307E-17
q -4.139977309431117E-15 1.028836431328471E-14 1.804530218081924E-12 -1.33389481253286E-14 4.089207498267511E-13 5.196570190528748E-16
tp -7.010820178498964E-13 1.804530218081924E-12 5.981316406154151E-9 3.204431649902532E-12 1.497524772462396E-9 4.001191816559465E-12
node 4.955981160082805E-15 -1.33389481253286E-14 3.204431649902532E-12 1.275252510294377E-9 -1.266163263965771E-9 -1.170370547360903E-12
peri -1.551117791218666E-13 4.089207498267511E-13 1.497524772462396E-9 -1.266163263965771E-9 1.644035493174906E-9 2.230190011551023E-12
i -4.786300417136307E-17 5.196570190528748E-16 4.001191816559465E-12 -1.170370547360903E-12 2.230190011551023E-12 2.141552078706188E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.34   n/a E2021B10  

70655 (1999 TR256)          Discovered 1999-Oct-09 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 TR256 = 1998 KY24 = 2001 AO42 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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