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27727 (1990 QM7)
Classification: Main-belt Asteroid          SPK-ID: 2027727
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .106010007391004 3.3521e-08  
a 2.366862160496709 8.4924e-09 au
q 2.115951085368965 7.9827e-08 au
i 6.166813361304649 4.6888e-06 deg
node 2.659392558667657 3.3031e-05 deg
peri 279.7748314969796 3.9919e-05 deg
M 111.5232121370951 2.1674e-05 deg
tp 2458588.477772590405
(2019-Apr-14.97777259)
8.042e-05 TDB
period 1330.019096698139
3.64
7.1583e-06
1.96e-08
d
yr
n .2706728052955962 1.4568e-09 deg/d
Q 2.617773235624453 9.3927e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1460  
   data-arc span      10740 days (29.40 yr)  
   first obs. used      1990-08-16  
   last obs. used      2020-01-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48704  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 01:09:14  

Additional Information
 Earth MOID = 1.1104 au 
 Jupiter MOID = 2.51605 au 
 T_jup = 3.532 
[ show covariance matrix ]

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 14.7   n/a MPO502365  

27727 (1990 QM7)          Discovered 1990-Aug-20 by Elst, E. W. at La Silla
Reference: 20010902/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1990 QM7 = 1998 XP68 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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