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152693 (1998 RM4)
Classification: Mars-crossing Asteroid          SPK-ID: 2152693
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09664487337216396 6.4069e-08  
a 1.826996458158055 5.5552e-09 au
q 1.650426616807978 1.167e-07 au
i 24.05077224871652 7.886e-06 deg
node 184.3363588992934 1.228e-05 deg
peri 218.2241667881161 3.3235e-05 deg
M 327.9216858049198 3.1719e-05 deg
tp 2459280.873711020089
(2021-Mar-07.37371102)
7.9625e-05 TDB
period 901.9967754935695
2.47
4.114e-06
1.126e-08
d
yr
n .3991145088107541 1.8203e-09 deg/d
Q 2.003566299508133 6.0921e-09 au
  Orbit Determination Parameters
   # obs. used (total)      388  
   data-arc span      8152 days (22.32 yr)  
   first obs. used      1998-09-14  
   last obs. used      2021-01-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .61186  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:28:14  

Additional Information
 Earth MOID = .673495 au 
 Jupiter MOID = 3.27262 au 
 T_jup = 3.925 
[ 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 17.31   n/a E2021B55  

152693 (1998 RM4)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04

Alternate Designations
 1998 RM4 = 2003 SJ42 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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