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70177 (1999 PC8)
Classification: Main-belt Asteroid          SPK-ID: 2070177
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1875426559736542 3.6087e-08  
a 2.462470811986172 1.1034e-08 au
q 2.000652495648685 9.1291e-08 au
i 1.592745392767497 3.6806e-06 deg
node 303.9440251014553 0.00016446 deg
peri 332.9443724246905 0.00016499 deg
M 221.6867202381369 1.6803e-05 deg
tp 2459742.771079212961
(2022-Jun-12.27107921)
6.8138e-05 TDB
period 1411.416090000729
3.86
9.4865e-06
2.597e-08
d
yr
n .2550629842967242 1.7143e-09 deg/d
Q 2.92428912832366 1.3103e-08 au
  Orbit Determination Parameters
   # obs. used (total)      645  
   data-arc span      10334 days (28.29 yr)  
   first obs. used      1992-11-25  
   last obs. used      2021-03-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .61173  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:47:56  

Additional Information
 Earth MOID = .982532 au 
 Jupiter MOID = 2.20231 au 
 T_jup = 3.464 
[ 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 MPO453105  
diameter diameter 1.693 km 0.296 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.186   0.111 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

70177 (1999 PC8)          Discovered 1999-Aug-07 by LONEOS at Anderson Mesa
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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