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85848 (1998 YP29)
Classification: Mars-crossing Asteroid          SPK-ID: 2085848
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2788829999951407 4.4031e-08  
a 2.199283176890305 5.843e-09 au
q 1.585940486680293 9.81e-08 au
i 6.860816710927469 5.311e-06 deg
node 302.7108661664705 3.3833e-05 deg
peri 55.2619469925724 3.5955e-05 deg
M 286.1702737781172 9.4587e-06 deg
tp 2459244.814313967150
(2021-Jan-30.31431397)
3.1771e-05 TDB
period 1191.297293502697
3.26
4.7475e-06
1.3e-08
d
yr
n .3021915704530097 1.2043e-09 deg/d
Q 2.812625867100317 7.4725e-09 au
  Orbit Determination Parameters
   # obs. used (total)      429  
   data-arc span      10062 days (27.55 yr)  
   first obs. used      1991-09-16  
   last obs. used      2019-04-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49996  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 10:28:23  

Additional Information
 Earth MOID = .593767 au 
 Jupiter MOID = 2.67136 au 
 T_jup = 3.606 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456955.5 (2014-Oct-25.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2780780683056911 4.4063e-08  
q 1.58761138873759 9.8076e-08 au
tp 2456861.347942992232
(2014-Jul-22.84794299)
2.8909e-05 TDB
node 302.8274395861772 3.3747e-05 deg
peri 54.95781465462051 3.5915e-05 deg
i 6.86950482457456 5.316e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      429  
   data-arc span      10062 days (27.55 yr)  
   first obs. used      1991-09-16  
   last obs. used      2019-04-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49996  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 10:28:23  

Additional Information
 Jupiter MOID = 2.67136 au 
 T_jup = 3.606 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.94154619133187E-15 -4.317756625229793E-15 -6.720156884998264E-13 3.297645473033877E-14 -2.890027974494161E-13 -1.041732720525889E-14
q -4.317756625229793E-15 9.618882059704211E-15 1.504202695427175E-12 -7.404861807372677E-14 6.464372265577596E-13 2.318451931405427E-14
tp -6.720156884998264E-13 1.504202695427175E-12 8.357524943929625E-10 -3.230879348281752E-11 3.67356042146414E-10 4.511260451203671E-12
node 3.297645473033877E-14 -7.404861807372677E-14 -3.230879348281752E-11 1.138867959185422E-9 -1.141869626803237E-9 4.84076944014634E-11
peri -2.890027974494161E-13 6.464372265577596E-13 3.67356042146414E-10 -1.141869626803237E-9 1.289887131141453E-9 -4.66619272768598E-11
i -1.041732720525889E-14 2.318451931405427E-14 4.511260451203671E-12 4.84076944014634E-11 -4.66619272768598E-11 2.825934984990302E-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 17.1   n/a MPO333529  

85848 (1998 YP29)          Discovered 1998-Dec-28 by Spacewatch at Kitt Peak
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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