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85678 (1998 RZ7)
Classification: Main-belt Asteroid          SPK-ID: 2085678
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2272530352001933 3.8445e-08  
a 2.24108789044563 6.866e-09 au
q 1.731793865191462 8.6814e-08 au
i 5.349918775492115 4.4722e-06 deg
node 350.9372675889155 4.1923e-05 deg
peri 5.041229238405311 4.2769e-05 deg
M 49.56648568919226 8.8186e-06 deg
tp 2458431.777738624117
(2018-Nov-09.27773862)
2.9798e-05 TDB
period 1225.425067982212
3.36
5.6315e-06
1.542e-08
d
yr
n .2937756125658315 1.3501e-09 deg/d
Q 2.750381915699798 8.4263e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1649  
   data-arc span      7499 days (20.53 yr)  
   first obs. used      1998-07-26  
   last obs. used      2019-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41463  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 08:35:13  

Additional Information
 Earth MOID = .726471 au 
 Jupiter MOID = 2.69029 au 
 T_jup = 3.594 
[ 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 15.8   n/a MPO459397  
diameter diameter 4.420 km 0.135 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.043   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85678 (1998 RZ7)          Discovered 1998-Sep-12 by Spacewatch at Kitt Peak
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1998 RZ7 = 2000 DG51 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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