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152648 (1997 UL20)
Classification: Mars-crossing Asteroid          SPK-ID: 2152648
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1841016250486415 4.7871e-08  
a 1.989542915041634 9.4078e-09 au
q 1.623264831278458 9.3373e-08 au
i 28.86701184130917 5.141e-06 deg
node 199.3431026802429 8.3026e-06 deg
peri 208.3911189670457 1.3065e-05 deg
M 66.72503905746295 1.3096e-05 deg
tp 2459010.517004961082
(2020-Jun-10.01700496)
3.633e-05 TDB
period 1025.0106883431
2.81
7.2704e-06
1.991e-08
d
yr
n .3512158498385313 2.4912e-09 deg/d
Q 2.35582099880481 1.114e-08 au
  Orbit Determination Parameters
   # obs. used (total)      541  
   data-arc span      8537 days (23.37 yr)  
   first obs. used      1997-10-29  
   last obs. used      2021-03-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47753  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:28:03  

Additional Information
 Earth MOID = .64843 au 
 Jupiter MOID = 3.12743 au 
 T_jup = 3.680 
[ 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 16.0   n/a MPO432972  

152648 (1997 UL20)          Discovered 1997-Oct-28 by LINEAR at Socorro
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04

Alternate Designations
 1997 UL20 = 2000 SJ160 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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