Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.20613E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T19:05:05+0800
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    1 Object 1

    AOE ID 33960
    NORAD ID 33960
    Object Type DEBRIS
    Country
    US US
    VS

    2 Object 2

    AOE ID 64586
    NORAD ID 64586
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter IRIDIUM 33 DEB LEMUR 2 SEJONG-2
    Time of Closest Approach 2026-09-07T13:38:29+0000
    Collision Probability (Pc) 2.20613E-6
    Conjunction Distance (km) 2.229 km
    Relative Speed (km/s) 14.782 km/s
    Conjunction Risk Parameters R (Radial): -2.208 | I (In-track): -0.071 | C (Cross-track): -0.291
    Collision Risk Index (CRI) 0.42
    X Position (km) -1100.265 -1099.941
    Position Y (km) 838.76 838.197
    Position Z (km) -6827.625 -6825.493
    Velocity X (km/s) -7.065 7.429
    Velocity Y (km/s) 2.263 0.812
    Velocity Z (km/s) 1.417 -1.096

    Orbital Parameters 国际轨道数据源

    Parameter IRIDIUM 33 DEB LEMUR 2 SEJONG-2
    Semimajor Axis (a) 6957.664 km 6953.470 km
    Eccentricity (e) 0.000219 0.000525
    Inclination (i) 86.2585° 97.7739°
    RAAN 162.6538° 2.7136°
    Perigee Argument 86.7636° 67.9651°
    Mean Anomaly (M) 68.6719° 292.2127°
    Apogee 581.048 km 578.981 km
    Perigee 578.006 km 571.685 km
    Orbit Epoch 2026-09-05T04:53:33+0000 2026-09-05T04:20:25+0000

    IRIDIUM 33 DEB & LEMUR 2 SEJONG-2 Collision Probability (Pc) Trend

    IRIDIUM 33 DEB & LEMUR 2 SEJONG-2 Collision Probability (Pc) TrendNot Available

    IRIDIUM 33 DEB & LEMUR 2 SEJONG-2 Miss Distance (Miss Distance) Trend

    IRIDIUM 33 DEB & LEMUR 2 SEJONG-2 Miss Distance (Miss Distance) TrendNot Available

    IRIDIUM 33 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    LEMUR 2 SEJONG-2Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    IRIDIUM 33 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    LEMUR 2 SEJONG-2Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with IRIDIUM 33 DEB

    No nearby objects data