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160877 (2001 OP77)
Classification: Main-belt Asteroid          SPK-ID: 2160877
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2077174169303541 6.2536e-08  
a 3.120290047151965 2.6621e-08 au
q 2.472151458484066 1.9456e-07 au
i 25.40670095000709 8.1948e-06 deg
node 309.043188396764 1.2031e-05 deg
peri 71.03918241206414 2.7046e-05 deg
M 92.70592136310798 1.8989e-05 deg
tp 2458482.063166524029
(2018-Dec-29.56316652)
0.00010615 TDB
period 2013.218328528703
5.51
2.5764e-05
7.054e-08
d
yr
n .1788181613978722 2.2884e-09 deg/d
Q 3.768428635819864 3.2151e-08 au
  Orbit Determination Parameters
   # obs. used (total)      606  
   data-arc span      6842 days (18.73 yr)  
   first obs. used      2001-07-26  
   last obs. used      2020-04-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5332  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 01:36:56  

Additional Information
 Earth MOID = 1.58705 au 
 Jupiter MOID = 2.05481 au 
 T_jup = 3.036 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457399.5 (2016-Jan-12.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2059527615113386 6.2079e-08  
q 2.478754597051771 1.9194e-07 au
tp 2456468.981394743741
(2013-Jun-25.48139474)
0.00011261 TDB
node 309.1089112826426 1.2023e-05 deg
peri 71.00903152563056 2.7326e-05 deg
i 25.40525538483343 8.1956e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      606  
   data-arc span      6842 days (18.73 yr)  
   first obs. used      2001-07-26  
   last obs. used      2020-04-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5332  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 01:36:56  

Additional Information
 Jupiter MOID = 2.05481 au 
 T_jup = 3.036 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.853768743032147E-15 -1.184304207893491E-14 -4.426916465728038E-12 3.583621407664129E-14 -1.038777710725093E-12 -4.157180694642054E-14
q -1.184304207893491E-14 3.684201578014982E-14 1.30447657599889E-11 -1.128892657384047E-13 3.13272618384097E-12 1.325424750944171E-13
tp -4.426916465728038E-12 1.30447657599889E-11 1.268006560407472E-8 -6.912884182978159E-11 2.761355672180818E-9 4.632442637519767E-11
node 3.583621407664129E-14 -1.128892657384047E-13 -6.912884182978159E-11 1.445452598628483E-10 -1.462213028324029E-10 2.842847095723937E-11
peri -1.038777710725093E-12 3.13272618384097E-12 2.761355672180818E-9 -1.462213028324029E-10 7.466906681307431E-10 -1.433487304098153E-11
i -4.157180694642054E-14 1.325424750944171E-13 4.632442637519767E-11 2.842847095723937E-11 -1.433487304098153E-11 6.716795007385184E-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 14.5   n/a MPO449863  
diameter diameter 8.386 km 0.270 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.048   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

160877 (2001 OP77)          Discovered 2001-Jul-26 by NEAT at Palomar
Reference: 20070828/Numbers.arcLast Updated: 2007-08-30

Alternate Designations
 2001 OP77 = 2002 XK65 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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