Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.040573E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-11-10T01:41:08+0800
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    1 Object 1

    AOE ID 3609
    NORAD ID 3609
    Object Type DEBRIS
    Country
    CIS CIS
    ← VS →

    2 Object 2

    Name TMSAT
    AOE ID 25396
    NORAD ID 25396
    Object Type PAYLOAD
    Country
    TH TH

    Conjunction Constraints

    Parameter COSMOS 249 DEB TMSAT
    Time of Closest Approach 2026-11-11T11:14:24+0000
    Collision Probability (Pc) 2.040573E-6
    Conjunction Distance (km) 2.292 km
    Relative Speed (km/s) 14.332 km/s
    Conjunction Risk Parameters R (Radial): 0.96 | I (In-track): 0.568 | C (Cross-track): 2.002
    Collision Risk Index (CRI) 0.41
    X Position (km) 3533.415 3535.656
    Position Y (km) -2788.745 -2788.271
    Position Z (km) -5609.234 -5609.288
    Velocity X (km/s) 0.633 3.257
    Velocity Y (km/s) 6.627 -4.935
    Velocity Z (km/s) -3.542 4.51

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 249 DEB TMSAT
    Semimajor Axis (a) 7389.475 km 7183.942 km
    Eccentricity (e) 0.071959 0.000365
    Inclination (i) 62.2731° 98.9979°
    RAAN 107.2453° 308.0625°
    Perigee Argument 169.7581° 100.8647°
    Mean Anomaly (M) 191.9054° 259.2942°
    Apogee 1543.081 km 808.427 km
    Perigee 479.595 km 803.183 km
    Orbit Epoch 2026-11-09T03:40:24+0000 2026-11-09T05:35:23+0000

    COSMOS 249 DEB & TMSAT Collision Probability (Pc) Trend

    COSMOS 249 DEB & TMSAT Collision Probability (Pc) TrendNot Available

    COSMOS 249 DEB & TMSAT Miss Distance (Miss Distance) Trend

    COSMOS 249 DEB & TMSAT Miss Distance (Miss Distance) TrendNot Available

    COSMOS 249 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    TMSATMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 249 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    TMSATCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 249 DEB

    No nearby objects data