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101960 Molau (1999 RR38)
Classification: Main-belt Asteroid          SPK-ID: 2101960
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 .2248572292779682 4.8807e-08  
a 2.30877933943785 5.4233e-09 au
q 1.789633614157637 1.1316e-07 au
i .3746545985037484 5.7254e-06 deg
node 172.0481857535756 0.0004032 deg
peri 150.7583664279121 0.00040344 deg
M 346.2730413510121 1.025e-05 deg
tp 2459049.358923343377
(2020-Jul-18.85892334)
3.6455e-05 TDB
period 1281.362671323601
3.51
4.5149e-06
1.236e-08
d
yr
n .2809509033286672 9.8993e-10 deg/d
Q 2.827925064718062 6.6428e-09 au
  Orbit Determination Parameters
   # obs. used (total)      611  
   data-arc span      10294 days (28.18 yr)  
   first obs. used      1992-08-25  
   last obs. used      2020-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52721  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:57:31  

Additional Information
 Earth MOID = .777247 au 
 Jupiter MOID = 2.50036 au 
 T_jup = 3.552 
[ 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 17.0   n/a MPO469027  

101960 Molau           Discovered 1999 Sept. 11 by A. Knöfel at Drebach.
Sirko Molau (b. 1971) is a software programmer who developed software for the real-time detection of meteors on a video stream. He organized a video meteor network in the International Meteor Organization.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20120207/MPCPages.arcLast Updated: 2012-02-09

[ 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
2043-Jan-29 19:12 00:02 Europ 0.0237313594654805 0.0237305490255821 0.0237321699060663 3.80278152573333 3.80278140795979 2467279.299865668 2.00450902606475 139.722718080938 40.3396769289676 89.1769163048748 87930.7246965484 T 20 CATAB v2.0f-lin.ifort 2020-Nov-12 19:57:32 2020-Nov-12 19:57
2092-Mar-24 15:28 00:04 Europ 0.046803787648929 0.0467999518304644 0.0468076236805913 3.8370994887033 3.83709942952157 2485231.144747031 4.05243048280837 249.615233056026 37.6388419032712 40.5864835264512 122795.442773646 T 20 CATAB v2.0f-lin.ifort 2020-Nov-12 19:57:32 2020-Nov-12 19:57
2141-Apr-12 17:22 00:05 Europ 0.00493130998393017 0.0049228489971589 0.00493977115579381 3.8334098620172 3.83340929977404 2503146.223937257 5.24506230198199 424.327623197544 47.8853900992587 -6.52275637551105 2454.89969315469 T 20 CATAB v2.0f-lin.ifort 2020-Nov-12 19:57:32 2020-Nov-12 19:57
2159-Jun-23 12:32 < 00:01 Juno 0.0277113289915729 0.0277055712083349 0.0277170918339565 7.44396181425297 7.44396175527573 2509792.022556594 0.320347226507634 662.576165525041 43.3836929570586 -64.5744778813063 86315.3745496585 T 20 CATAB v2.0f-lin.ifort 2020-Nov-12 19:57:32 2020-Nov-12 19:57
2172-Jul-23 12:13 00:02 David 0.0319443375257287 0.0319337495999299 0.0319549282387671 6.2873464460202 6.28734637080221 2514571.008864641 2.28758303834855 708.031379235362 42.4431868271767 41.8881033308096 75313.3424129236 T 20 CATAB v2.0f-lin.ifort 2020-Nov-12 19:57:32 2020-Nov-12 19:57

Alternate Designations
 1999 RR38 = 1992 SN17 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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