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90971 (1997 WR35)
Classification: Main-belt Asteroid          SPK-ID: 2090971
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1263797602416699 5.316e-08  
a 2.366388557433972 1.2249e-08 au
q 2.067324938906835 1.2648e-07 au
i 6.039510290763853 5.1286e-06 deg
node 250.3914287871195 4.9321e-05 deg
peri 141.9357634656382 5.25e-05 deg
M 89.92495471132021 1.9578e-05 deg
tp 2458668.372192282748
(2019-Jul-03.87219228)
7.1308e-05 TDB
period 1329.61991654091
3.64
1.0324e-05
2.827e-08
d
yr
n .2707540670243289 2.1023e-09 deg/d
Q 2.665452175961108 1.3797e-08 au
  Orbit Determination Parameters
   # obs. used (total)      634  
   data-arc span      8100 days (22.18 yr)  
   first obs. used      1997-11-29  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54789  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 22:21:28  

Additional Information
 Earth MOID = 1.07767 au 
 Jupiter MOID = 2.7448 au 
 T_jup = 3.529 
[ show covariance matrix ]

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 15.7   n/a MPO453348  

90971 (1997 WR35)          Discovered 1997-Nov-29 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 1997 WR35 = 2000 OC29 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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