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JPL Small-Body Database Browser
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48772 (1997 MR9)
Classification: Main-belt Asteroid          SPK-ID: 2048772
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1212361067240732 4.4541e-08  
a 2.742833971309473 1.5933e-08 au
q 2.410303459237384 1.2354e-07 au
i 12.08275201578348 5.4293e-06 deg
node 179.520781572068 1.8993e-05 deg
peri 48.09984772068985 2.934e-05 deg
M 353.9502302717189 2.0159e-05 deg
tp 2458628.382650191028
(2019-May-24.88265019)
9.289e-05 TDB
period 1659.196055321961
4.54
1.4457e-05
3.958e-08
d
yr
n .2169725505586157 1.8906e-09 deg/d
Q 3.075364483381562 1.7865e-08 au
  Orbit Determination Parameters
   # obs. used (total)      842  
   data-arc span      9369 days (25.65 yr)  
   first obs. used      1993-09-16  
   last obs. used      2019-05-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54661  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 04:39:16  

Additional Information
 Earth MOID = 1.42099 au 
 Jupiter MOID = 1.93533 au 
 T_jup = 3.307 
[ 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 14.8   n/a MPO299292  
diameter diameter 3.111 km 0.167 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.154   0.057 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

48772 (1997 MR9)          Discovered 1997-Jun-27 by Spacewatch at Kitt Peak
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ 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
1917-Jan-22 16:53 00:02 Jupiter 1.95423162554253 1.95423086923218 1.95423238185756 3.53980807165361 3.41516929069128 2421251.203633723 2.34762581659608 192.83701684008 21.4192980728335 79.2632890797725 2483489.77999884 T 19 CATAB v2.0e-lin.ifort 2019-May-30 04:39:21 2019-May-30 04:39
1975-Nov-22 02:53 < 00:01 Jupiter 1.92466237757164 1.92466192501715 1.92466283012613 3.8391317199588 3.72273482768862 2442738.619972006 0.88621453331583 96.1962659823211 20.0102690614345 89.4322674436568 2587846.55592401 T 19 CATAB v2.0e-lin.ifort 2019-May-30 04:39:21 2019-May-30 04:39
2034-Sep-23 15:04 < 00:01 Jupiter 1.96963475459886 1.96963420059686 1.96963530860109 4.11793943260107 4.01214959498182 2464229.127526985 0.570917137751647 67.4443069259903 21.0951981918761 -77.7918655215727 2704681.84520327 T 19 CATAB v2.0e-lin.ifort 2019-May-30 04:39:21 2019-May-30 04:39
2130-Jun-16 17:32 00:03 Jupiter 1.94025092847 1.94025031619247 1.9402515407537 3.55412728852444 3.42909822345663 2499193.230722523 2.9173183115314 255.785305881946 20.2411282955885 83.4052218706192 2371480.1734904 T 19 CATAB v2.0e-lin.ifort 2019-May-30 04:39:21 2019-May-30 04:39
2189-Apr-18 01:08 00:04 Jupiter 1.93523373123513 1.93523299755592 1.93523446493611 3.89702639540473 3.78304705165346 2520683.547289491 4.27915572026949 422.690372664044 19.9870431196924 -87.3661262299833 2539033.56736569 T 19 CATAB v2.0e-lin.ifort 2019-May-30 04:39:21 2019-May-30 04:39

Alternate Designations
 1997 MR9 = 2000 AC194 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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