Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.67211E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T06:03:19+0800
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    1 Object 1

    AOE ID 25795
    NORAD ID 25795
    Object Type DEBRIS
    Country
    CIS CIS
    VS

    2 Object 2

    AOE ID 59436
    NORAD ID 59436
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 1220 DEB STARLINK-31700
    Time of Closest Approach 2026-09-12T17:19:18+0000
    Collision Probability (Pc) 1.67211E-6
    Conjunction Distance (km) 1.649 km
    Relative Speed (km/s) 2.656 km/s
    Conjunction Risk Parameters R (Radial): 0.378 | I (In-track): 1.583 | C (Cross-track): -0.266
    Collision Risk Index (CRI) 0.39
    X Position (km) -4945.624 -4945.216
    Position Y (km) 406.847 405.671
    Position Z (km) 4698.636 4699.716
    Velocity X (km/s) 3.886 2.439
    Velocity Y (km/s) -4.776 -6.532
    Velocity Z (km/s) 4.49 3.121

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 1220 DEB STARLINK-31700
    Semimajor Axis (a) 6806.722 km 6840.974 km
    Eccentricity (e) 0.004687 0.000160
    Inclination (i) 64.9682° 53.1560°
    RAAN 153.4055° 137.7233°
    Perigee Argument 226.8332° 100.8826°
    Mean Anomaly (M) 132.8889° 259.2357°
    Apogee 460.487 km 463.934 km
    Perigee 396.683 km 461.740 km
    Orbit Epoch 2026-09-11T10:03:23+0000 2026-09-11T01:58:59+0000

    COSMOS 1220 DEB & STARLINK-31700 Collision Probability (Pc) Trend

    COSMOS 1220 DEB & STARLINK-31700 Collision Probability (Pc) TrendNot Available

    COSMOS 1220 DEB & STARLINK-31700 Miss Distance (Miss Distance) Trend

    COSMOS 1220 DEB & STARLINK-31700 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 1220 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31700Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 1220 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31700Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 1220 DEB

    No nearby objects data