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JPL Small-Body Database Browser
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48913 (1998 OH2)
Classification: Main-belt Asteroid          SPK-ID: 2048913
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1400396352018533 2.655e-08  
a 2.429081555767509 9.1623e-09 au
q 2.088913860822277 6.4885e-08 au
i 1.704860315560131 4.8208e-06 deg
node 151.3979389675183 0.00010939 deg
peri 107.0044133851478 0.00011091 deg
M 230.7135909040938 1.8509e-05 deg
tp 2459097.105978775129
(2020-Sep-04.60597878)
7.1869e-05 TDB
period 1382.80700662377
3.79
7.8237e-06
2.142e-08
d
yr
n .2603400172804792 1.473e-09 deg/d
Q 2.769249250712742 1.0445e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1197  
   data-arc span      9535 days (26.11 yr)  
   first obs. used      1992-12-02  
   last obs. used      2019-01-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53145  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:48:29  

Additional Information
 Earth MOID = 1.07418 au 
 Jupiter MOID = 2.28059 au 
 T_jup = 3.495 
[ 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 15.0   n/a MPO381621  
diameter diameter 4.409 km 1.199 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  
geometric albedo albedo 0.076   0.059 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  

48913 (1998 OH2)          Discovered 1998-Jul-25 by Comba, P. G. at Prescott
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
1974-Feb-01 16:59 < 00:01 Hebe 0.0378457931611364 0.0378421907303387 0.0378493956708421 7.20794248674229 7.20794246395312 2442080.207863210 0.338182743645294 199.836371285718 32.5145540575798 -26.3802324373357 81407.3906500486 T 27 CATAB v2.0e-lin.ifort 2019-Jul-13 02:48:34 2019-Jul-13 02:48
1977-Nov-16 13:26 < 00:01 Hebe 0.0275515081735824 0.0275482890380954 0.0275547273907846 6.84428860132492 6.84428856835758 2443464.059485023 0.31997298474048 177.724235889422 32.1041210278049 25.896914129662 59811.8221679892 T 27 CATAB v2.0e-lin.ifort 2019-Jul-13 02:48:34 2019-Jul-13 02:48
1995-Jan-18 22:59 < 00:01 Amphi 0.046285720146118 0.0462848305198611 0.0462866098054314 4.53240262132373 4.53240259392077 2449736.457669599 0.303241787824008 96.1025221476487 30.630450021708 -69.391314152264 213018.211179231 T 27 CATAB v2.0e-lin.ifort 2019-Jul-13 02:48:34 2019-Jul-13 02:48
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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