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(1999 RM45)
Classification: Apollo [NEO, PHA]          SPK-ID: 3022036
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 68 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6440586301085319 8.6863e-08  
a 1.681262900728212 1.0865e-08 au
q .5984310200329029 1.4954e-07 au
i 10.88953141990614 8.9327e-06 deg
node 162.8360872067705 4.5404e-06 deg
peri 88.77176802390679 1.7133e-05 deg
M 303.7913928670624 3.7263e-07 deg
tp 2459324.823204069426
(2021-Apr-20.32320407)
8.3951e-07 TDB
period 796.2544483470538
2.18
7.7183e-06
2.113e-08
d
yr
n .4521167834570027 4.3825e-09 deg/d
Q 2.76409478142352 1.7862e-08 au
  Orbit Determination Parameters
   # obs. used (total)      826  
   # delay obs. used      2  
   # Doppler obs. used      0  
   data-arc span      7840 days (21.46 yr)  
   first obs. used      1999-09-14  
   last obs. used      2021-03-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .2983  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-07 06:59:09  

Additional Information
 Earth MOID = .00317413 au 
 Jupiter MOID = 2.38871 au 
 T_jup = 3.949 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 19.70   n/a E2021-DA1  

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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