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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1080130675468517 3.4219e-08  
a 2.256033835759933 5.7911e-09 au
q 2.012352700670013 7.8694e-08 au
i 1.847339886171343 3.2844e-06 deg
node 314.1138702935601 0.0001032 deg
peri 200.0326380897466 0.00010435 deg
M 331.7183273311538 1.6162e-05 deg
tp 2459097.734286305959
(2020-Sep-05.23428631)
5.5692e-05 TDB
period 1237.704130162864
3.39
4.7657e-06
1.305e-08
d
yr
n .2908611123020403 1.1199e-09 deg/d
Q 2.499714970849854 6.4167e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2371  
   data-arc span      17129 days (46.90 yr)  
   first obs. used      1973-03-07  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4716  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 18:11:50  

Additional Information
 Earth MOID = 1.02251 au 
 Jupiter MOID = 2.48782 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-August); 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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