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27025 (1998 QY77)
Classification: Main-belt Asteroid          SPK-ID: 2027025
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05829736692137939 3.3738e-08  
a 2.292406347104392 8.0475e-09 au
q 2.158765093154348 7.9135e-08 au
i 6.310517838106369 3.8443e-06 deg
node 260.4580384075155 3.5645e-05 deg
peri 219.4836656773485 5.3195e-05 deg
M 334.5785807022448 4.1827e-05 deg
tp 2459090.022689970217
(2020-Aug-28.52268997)
0.00014745 TDB
period 1267.756454185231
3.47
6.6757e-06
1.828e-08
d
yr
n .2839662135511405 1.4953e-09 deg/d
Q 2.426047601054436 8.5166e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1325  
   data-arc span      8844 days (24.21 yr)  
   first obs. used      1995-11-17  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50612  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 00:55:42  

Additional Information
 Earth MOID = 1.17909 au 
 Jupiter MOID = 2.63591 au 
 T_jup = 3.587 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456692.5 (2014-Feb-04.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05775509991085843 3.3695e-08  
q 2.15975546884433 7.902e-08 au
tp 2456553.576442375972
(2013-Sep-18.07644238)
0.00014504 TDB
node 260.5023438732621 3.5679e-05 deg
peri 219.1640630083236 5.3522e-05 deg
i 6.307178963803117 3.843e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1325  
   data-arc span      8844 days (24.21 yr)  
   first obs. used      1995-11-17  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50612  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 00:55:42  

Additional Information
 Jupiter MOID = 2.63591 au 
 T_jup = 3.587 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.135337940486736E-15 -2.650622160931917E-15 -5.020127410567588E-13 -3.977403717499387E-15 -1.136751779939156E-13 4.900326537819099E-16
q -2.650622160931917E-15 6.244084236126715E-15 1.42931510032305E-12 9.251040973592082E-15 3.377730610528199E-13 -9.046165584409499E-16
tp -5.020127410567588E-13 1.42931510032305E-12 2.103773039838241E-8 3.13829345848313E-11 5.79972499837016E-9 6.585015875648545E-12
node -3.977403717499387E-15 9.251040973592082E-15 3.13829345848313E-11 1.272961510332467E-9 -1.256487566777583E-9 -1.354957113577467E-11
peri -1.136751779939156E-13 3.377730610528199E-13 5.79972499837016E-9 -1.256487566777583E-9 2.864589615415576E-9 1.531435444246084E-11
i 4.900326537819099E-16 -9.046165584409499E-16 6.585015875648545E-12 -1.354957113577467E-11 1.531435444246084E-11 1.476870921972805E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.8   n/a MPO416978  
diameter diameter 2.007 km 0.599 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.439   0.159 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

27025 (1998 QY77)          Discovered 1998-Aug-24 by LINEAR at Socorro
Reference: 20010804/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1998 QY77 = 2000 AP236 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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