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85042 (4779 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2085042
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08526469063857028 4.3116e-08  
a 2.777278620894526 2.0891e-08 au
q 2.540474818466839 1.2298e-07 au
i 3.125325032110664 5.4672e-06 deg
node 4.934647263176939 0.00010212 deg
peri 46.73213442122091 0.00010835 deg
M 282.5409261447438 3.6296e-05 deg
tp 2459364.245310221153
(2021-May-29.74531022)
0.00017087 TDB
period 1690.548378157881
4.63
1.9074e-05
5.222e-08
d
yr
n .2129486530236281 2.4027e-09 deg/d
Q 3.014082423322213 2.2672e-08 au
  Orbit Determination Parameters
   # obs. used (total)      412  
   data-arc span      21857 days (59.84 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-07-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52662  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 07:54:37  

Additional Information
 Earth MOID = 1.55224 au 
 Jupiter MOID = 2.2764 au 
 T_jup = 3.327 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456988.5 (2014-Nov-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08773524850951003 4.3344e-08  
q 2.533089997685427 1.2392e-07 au
tp 2457665.888085025173
(2016-Oct-04.38808503)
0.00016273 TDB
node 5.204266586243683 0.0001019 deg
peri 45.06821743961011 0.00010772 deg
i 3.130449619431508 5.4676e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      412  
   data-arc span      21857 days (59.84 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-07-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52662  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 07:54:37  

Additional Information
 Jupiter MOID = 2.2764 au 
 T_jup = 3.327 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.878690628535795E-15 -5.310094713260578E-15 7.474942577761842E-14 1.26212952037321E-14 5.403875102227884E-14 -1.027100382320867E-15
q -5.310094713260578E-15 1.535536048749928E-14 -9.564826445173441E-14 -3.810538296119167E-14 -1.57095098415352E-13 3.293800296661014E-15
tp 7.474942577761842E-14 -9.564826445173441E-14 2.648266646857068E-8 5.586608826061655E-11 5.71938053903009E-9 3.605630263306792E-12
node 1.26212952037321E-14 -3.810538296119167E-14 5.586608826061655E-11 1.038303173200181E-8 -1.035396030764302E-8 -1.508324236657602E-10
peri 5.403875102227884E-14 -1.57095098415352E-13 5.71938053903009E-9 -1.035396030764302E-8 1.160328475418244E-8 1.513441447332197E-10
i -1.027100382320867E-15 3.293800296661014E-15 3.605630263306792E-12 -1.508324236657602E-10 1.513441447332197E-10 2.989513012461684E-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 15.8   n/a MPO436370  

85042 (4779 P-L)          Discovered 1960-Sep-24 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

Alternate Designations
 4779 P-L = 2002 VV61 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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