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JPL Small-Body Database Browser
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85777 (1998 UM41)
Classification: Main-belt Asteroid          SPK-ID: 2085777
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2096396149769319 3.5831e-08  
a 2.21200522750814 8.584e-09 au
q 1.748281303286373 7.9801e-08 au
i 6.662331159706335 5.051e-06 deg
node 69.34104627490255 3.5e-05 deg
peri 255.7576745161559 3.7478e-05 deg
M 246.417430880683 1.6321e-05 deg
tp 2459379.628853296253
(2021-Jun-14.12885330)
5.6034e-05 TDB
period 1201.64905799299
3.29
6.9948e-06
1.915e-08
d
yr
n .2995883012643281 1.7439e-09 deg/d
Q 2.675729151729908 1.0384e-08 au
  Orbit Determination Parameters
   # obs. used (total)      569  
   data-arc span      7777 days (21.29 yr)  
   first obs. used      1998-10-20  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62361  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 20:38:35  

Additional Information
 Earth MOID = .750959 au 
 Jupiter MOID = 2.67312 au 
 T_jup = 3.619 
[ 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 16.1   n/a MPO468827  

85777 (1998 UM41)          Discovered 1998-Oct-28 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

Alternate Designations
 1998 UM41 = 2001 MX11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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