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101117 (1998 RA53)
Classification: Main-belt Asteroid          SPK-ID: 2101117
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2175236340209117 4.8974e-08  
a 2.599664713232966 1.1239e-08 au
q 2.0341761975746 1.2933e-07 au
i 5.10167833761283 4.7727e-06 deg
node 167.1582036594911 5.1181e-05 deg
peri 216.8431558229429 5.2194e-05 deg
M 45.81405770717154 8.3177e-06 deg
tp 2458805.663332142903
(2019-Nov-18.16333214)
3.5393e-05 TDB
period 1530.997338783531
4.19
9.9281e-06
2.718e-08
d
yr
n .2351408398175542 1.5248e-09 deg/d
Q 3.165153228891332 1.3683e-08 au
  Orbit Determination Parameters
   # obs. used (total)      405  
   data-arc span      9199 days (25.19 yr)  
   first obs. used      1994-10-31  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58024  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:02:19  

Additional Information
 Earth MOID = 1.04019 au 
 Jupiter MOID = 2.29502 au 
 T_jup = 3.376 
[ 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 16.3   n/a MPO449612  

101117 (1998 RA53)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2008-Mar-29 04:01 < 00:01 Eunom 0.0426034524703077 0.0426011681685384 0.0426057367920977 4.80946161239688 4.80946154388709 2454554.667395405 0.863295113685618 124.827622254992 50.0340937470382 -26.6163817241496 73024.3112667845 T 20 CATAB v2.0f-lin.ifort 2020-Nov-12 20:02:20 2020-Nov-12 20:02
2123-Dec-17 08:18 00:14 Iris 0.0420104354447543 0.0419696949821085 0.0420511829090287 2.64520019590496 2.64520014417319 2496819.845809327 14.1145536677799 2201.86851101154 60.178145909791 22.8467495390142 40582.1846729562 T 20 CATAB v2.0f-lin.ifort 2020-Nov-12 20:02:20 2020-Nov-12 20:02
2175-Nov-18 01:35 00:03 Eunom 0.0428813121243859 0.0428235982443285 0.0429390284576872 4.88869890655924 4.8886988395966 2515783.565857401 2.94559912579115 2921.09360298449 60.1878723192425 10.0797016890285 18763.6652354456 T 20 CATAB v2.0f-lin.ifort 2020-Nov-12 20:02:20 2020-Nov-12 20:02

Alternate Designations
 1998 RA53 = 2002 PL29 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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