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JPL Small-Body Database Browser
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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3104684415090683 5.8047e-08  
a 2.230857424066883 8.1233e-09 au
q 1.538246596387903 1.2845e-07 au
i 4.862574039971104 5.7789e-06 deg
node 214.3725483708842 5.4522e-05 deg
peri 158.7475763734114 5.4976e-05 deg
M 322.7303428501707 1.1415e-05 deg
tp 2459126.496663942229
(2020-Oct-03.99666394)
3.9171e-05 TDB
period 1217.043635170927
3.33
6.6475e-06
1.82e-08
d
yr
n .2957987615205268 1.6157e-09 deg/d
Q 2.923468251745863 1.0645e-08 au
  Orbit Determination Parameters
   # obs. used (total)      424  
   data-arc span      21407 days (58.61 yr)  
   first obs. used      1960-10-17  
   last obs. used      2019-05-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58519  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 22:57:36  

Additional Information
 Earth MOID = .540414 au 
 Jupiter MOID = 2.54814 au 
 T_jup = 3.573 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457191.5 (2015-Jun-18.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3106120391131341 5.789e-08  
q 1.537982486981474 1.2812e-07 au
tp 2456693.725247222078
(2014-Feb-05.22524722)
2.9307e-05 TDB
node 214.4206012816297 5.4521e-05 deg
peri 158.8401035071635 5.4974e-05 deg
i 4.86209762881304 5.7802e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      424  
   data-arc span      21407 days (58.61 yr)  
   first obs. used      1960-10-17  
   last obs. used      2019-05-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58519  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 22:57:36  

Additional Information
 Jupiter MOID = 2.54814 au 
 T_jup = 3.573 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.351250135941134E-15 -7.41069384074334E-15 2.207183974747807E-13 -2.168308689755929E-14 7.642971328537197E-15 9.724925811192115E-16
q -7.41069384074334E-15 1.641573038007559E-14 -3.869504746834253E-13 4.869555894972668E-14 6.215174652071409E-15 -2.448743701559785E-15
tp 2.207183974747807E-13 -3.869504746834253E-13 8.589075476472094E-10 3.604948988511606E-12 2.230533390116164E-10 -2.180049142932251E-12
node -2.168308689755929E-14 4.869555894972668E-14 3.604948988511606E-12 2.972579323368177E-9 -2.96004584085096E-9 -8.558084041968089E-11
peri 7.642971328537197E-15 6.215174652071409E-15 2.230533390116164E-10 -2.96004584085096E-9 3.022159406426994E-9 8.476857163662286E-11
i 9.724925811192115E-16 -2.448743701559785E-15 -2.180049142932251E-12 -8.558084041968089E-11 8.476857163662286E-11 3.34104284324006E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.7   n/a MPO435884  

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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