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19877 (9086 P-L)
Classification: Mars-crossing Asteroid          SPK-ID: 2019877
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3104491807896193 4.8051e-08  
a 2.230897902377072 3.761e-09 au
q 1.53831747615883 1.0707e-07 au
i 4.862687577979648 4.3112e-06 deg
node 214.3565394267023 3.1237e-05 deg
peri 158.8180680463341 3.1731e-05 deg
M 79.8346946777192 3.684e-06 deg
tp 2459126.597356912870
(2020-Oct-04.09735691)
1.2414e-05 TDB
period 1217.076759717155
3.33
3.0778e-06
8.427e-09
d
yr
n .2957907109192217 7.48e-10 deg/d
Q 2.923478328595314 4.9286e-09 au
  Orbit Determination Parameters
   # obs. used (total)      901  
   data-arc span      22022 days (60.29 yr)  
   first obs. used      1960-10-17  
   last obs. used      2021-02-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47427  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 18:17:06  

Additional Information
 Earth MOID = .539705 au 
 Jupiter MOID = 2.55005 au 
 T_jup = 3.573 
[ 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 16.79   n/a E2021B10  

19877 (9086 P-L)          Discovered 1960-Oct-17 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 9086 P-L = 1980 RM1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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