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101910 (1999 RR8)
Classification: Main-belt Asteroid          SPK-ID: 2101910
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .145783478756603 3.3942e-08  
a 2.348602546122537 9.3451e-09 au
q 2.006215096732179 7.9375e-08 au
i 6.432913729203557 4.3085e-06 deg
node 170.7940602522514 3.5489e-05 deg
peri 317.1431399983574 3.8746e-05 deg
M 145.6039367345881 1.5228e-05 deg
tp 2458468.779585749456
(2018-Dec-16.27958575)		 5.5152e-05 TDB
period 1314.65778620479
3.60		 7.8465e-06
2.148e-08		 d
yr
n .2738355211353239 1.6344e-09 deg/d
Q 2.690989995512896 1.0707e-08 au
   Orbit Determination Parameters
   # obs. used (total)      880  
   data-arc span      7576 days (20.74 yr)  
   first obs. used      1999-09-04  
   last obs. used      2020-06-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53886  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 01:16:07  

Additional Information
 Earth MOID = 1.02621 au 
 Jupiter MOID = 2.36563 au 
 T_jup = 3.536 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.8   n/a MPO474893  

101910 (1999 RR8)          Discovered 1999-Sep-04 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1999 RR8 = 2001 BT59 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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