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146698 (2001 VY87)
Classification: Main-belt Asteroid          SPK-ID: 2146698
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 .04512058583960626 6.3532e-08  
a 2.620223843770765 1.5155e-08 au
q 2.501997808908924 1.6401e-07 au
i 7.005834218125981 4.5869e-06 deg
node 125.7171511369258 4.1341e-05 deg
peri 255.4500775711183 6.2804e-05 deg
M 198.1267558964116 4.8258e-05 deg
tp 2459897.092169446996
(2022-Nov-13.59216945)
0.00020861 TDB
period 1549.194756611166
4.24
1.344e-05
3.68e-08
d
yr
n .2323787880534099 2.016e-09 deg/d
Q 2.738449878632607 1.5839e-08 au
  Orbit Determination Parameters
   # obs. used (total)      667  
   data-arc span      6820 days (18.67 yr)  
   first obs. used      2001-09-17  
   last obs. used      2020-05-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60027  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 14:25:44  

Additional Information
 Earth MOID = 1.51238 au 
 Jupiter MOID = 2.46402 au 
 T_jup = 3.393 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457130.5 (2015-Apr-18.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04321981039560589 6.3303e-08  
q 2.507859767012949 1.6303e-07 au
tp 2456793.054383935809
(2014-May-15.55438394)
0.00021562 TDB
node 125.7757328227556 4.1281e-05 deg
peri 254.4894197916958 6.4465e-05 deg
i 7.009382054396281 4.5896e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      667  
   data-arc span      6820 days (18.67 yr)  
   first obs. used      2001-09-17  
   last obs. used      2020-05-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60027  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 14:25:44  

Additional Information
 Jupiter MOID = 2.46402 au 
 T_jup = 3.393 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.007230341287872E-15 -1.02814918647482E-14 -5.263440738922218E-13 -3.558488552607404E-14 -2.542056882903148E-13 -1.178528048710653E-15
q -1.02814918647482E-14 2.658003618399705E-14 1.525762707127997E-12 9.114877791939104E-14 6.997024995953387E-13 3.308784328107858E-15
tp -5.263440738922218E-13 1.525762707127997E-12 4.64927991553328E-8 -1.487731324670735E-11 1.069948653067306E-8 -9.447471514638384E-12
node -3.558488552607404E-14 9.114877791939104E-14 -1.487731324670735E-11 1.704110736623549E-9 -1.692870512897123E-9 4.879008320323141E-11
peri -2.542056882903148E-13 6.997024995953387E-13 1.069948653067306E-8 -1.692870512897123E-9 4.15571555129285E-9 -5.052664846126646E-11
i -1.178528048710653E-15 3.308784328107858E-15 -9.447471514638384E-12 4.879008320323141E-11 -5.052664846126646E-11 2.106405191420814E-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 15.72   n/a E2021B55  

146698 (2001 VY87)          Discovered 2001-Nov-12 by NEAT at Haleakala
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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