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JPL Small-Body Database Browser
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35029 (1981 EM22)
Classification: Main-belt Asteroid          SPK-ID: 2035029
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1597107310082045 4.3155e-08  
a 2.325443137240649 1.1277e-08 au
q 1.954044913873933 1.0327e-07 au
i 2.006313464750232 4.6792e-06 deg
node 335.7757221253959 0.00012111 deg
peri 142.9041259259966 0.00012179 deg
M 312.4728667665545 1.4906e-05 deg
tp 2458771.500008433605
(2019-Oct-15.00000843)
5.4238e-05 TDB
period 1295.260177669984
3.55
9.4215e-06
2.579e-08
d
yr
n .2779364379499386 2.0217e-09 deg/d
Q 2.696841360607366 1.3078e-08 au
  Orbit Determination Parameters
   # obs. used (total)      410  
   data-arc span      13871 days (37.98 yr)  
   first obs. used      1981-02-13  
   last obs. used      2019-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56267  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 01:45:00  

Additional Information
 Earth MOID = .970889 au 
 Jupiter MOID = 2.38369 au 
 T_jup = 3.557 
[ 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 16.6   n/a MPO417052  

35029 (1981 EM22)          Discovered 1981-Mar-02 by Bus, S. J. at Siding Spring
Reference: 20020227/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1981 EM22 = 2001 YC90 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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