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JPL Small-Body Database Browser
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6779 Perrine (1990 DM1)
Classification: Main-belt Asteroid          SPK-ID: 2006779
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1081746543063965 3.7696e-08  
a 2.255633704964064 6.1983e-09 au
q 2.01163130868772 8.5566e-08 au
i 1.84728983606158 3.8973e-06 deg
node 314.1218940216864 0.00010538 deg
peri 200.1332018497332 0.00010652 deg
M 215.2663789193435 1.6017e-05 deg
tp 2459097.971513634758
(2020-Sep-05.47151364)
5.5697e-05 TDB
period 1237.374865434414
3.39
5.1003e-06
1.396e-08
d
yr
n .2909385102740163 1.1992e-09 deg/d
Q 2.499636101240408 6.8689e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2185  
   data-arc span      17039 days (46.65 yr)  
   first obs. used      1973-03-07  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48106  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 02:57:02  

Additional Information
 Earth MOID = 1.02225 au 
 Jupiter MOID = 2.48928 au 
 T_jup = 3.615 
[ 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 14.0   n/a MPO347579  
diameter diameter 4.189 km 0.038 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 72.279 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Hills, K. (2018) Minor Planet Bull. 45, 128-129.]
geometric albedo albedo 0.277   0.070 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

6779 Perrine (1990 DM1)          Discovered 1990-Feb-20 by Vavrova, Z. at Klet
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1990 DM1 = 1973 EH 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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