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35090 (1990 WR1)
Classification: Main-belt Asteroid          SPK-ID: 2035090
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1586237279364916 3.8409e-08  
a 2.282667211264047 8.2453e-09 au
q 1.920582028574949 8.8416e-08 au
i 6.205638903636291 3.2186e-06 deg
node 129.8832442381392 3.8395e-05 deg
peri 223.3862394582194 3.9856e-05 deg
M 248.8555323624719 1.3249e-05 deg
tp 2459389.408716468640
(2021-Jun-23.90871647)
4.7366e-05 TDB
period 1259.686072592576
3.45
6.8253e-06
1.869e-08
d
yr
n .2857854888076037 1.5484e-09 deg/d
Q 2.644752393953145 9.5532e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1246  
   data-arc span      12399 days (33.95 yr)  
   first obs. used      1986-07-07  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53483  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 20:27:42  

Additional Information
 Earth MOID = .92008 au 
 Jupiter MOID = 2.78162 au 
 T_jup = 3.580 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.1   n/a MPO309425  

35090 (1990 WR1)          Discovered 1990-Nov-18 by Elst, E. W. at La Silla
Reference: 20020227/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1990 WR1 = 1986 NK = 1999 EW4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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