Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.185096E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T00:20:15+0800
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    1 Object 1

    AOE ID 25420
    NORAD ID 25420
    Object Type PAYLOAD
    Country
    ORB ORB
    ← VS →

    2 Object 2

    AOE ID 34538
    NORAD ID 34538
    Object Type DEBRIS
    Country
    US US

    Conjunction Constraints

    Parameter ORBCOMM FM 13 IRIDIUM 33 DEB
    Time of Closest Approach 2026-10-29T22:01:02+0000
    Collision Probability (Pc) 1.185096E-6
    Conjunction Distance (km) 2.944 km
    Relative Speed (km/s) 11.476 km/s
    Conjunction Risk Parameters R (Radial): -2.73 | I (In-track): 0.706 | C (Cross-track): 0.843
    Collision Risk Index (CRI) 0.36
    X Position (km) 3941.97 3943.751
    Position Y (km) 3453.592 3453.953
    Position Z (km) 4847.966 4850.281
    Velocity X (km/s) -5.766 3.373
    Velocity Y (km/s) 4.52 3.831
    Velocity Z (km/s) 1.467 -5.439

    Orbital Parameters 国际轨道数据源

    Parameter ORBCOMM FM 13 IRIDIUM 33 DEB
    Semimajor Axis (a) 7140.561 km 7123.324 km
    Eccentricity (e) 0.000750 0.003537
    Inclination (i) 44.9981° 86.2780°
    RAAN 348.0262° 225.8184°
    Perigee Argument 251.1845° 354.1681°
    Mean Anomaly (M) 108.8190° 159.6541°
    Apogee 767.778 km 770.386 km
    Perigee 757.070 km 719.988 km
    Orbit Epoch 2026-10-26T20:21:10+0000 2026-10-27T06:53:58+0000

    ORBCOMM FM 13 & IRIDIUM 33 DEB Collision Probability (Pc) Trend

    ORBCOMM FM 13 & IRIDIUM 33 DEB Collision Probability (Pc) TrendNot Available

    ORBCOMM FM 13 & IRIDIUM 33 DEB Miss Distance (Miss Distance) Trend

    ORBCOMM FM 13 & IRIDIUM 33 DEB Miss Distance (Miss Distance) TrendNot Available

    ORBCOMM FM 13Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    IRIDIUM 33 DEBMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    ORBCOMM FM 13Collision Probability Trend

    Object 1 Probability TrendNot Available

    IRIDIUM 33 DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with ORBCOMM FM 13

    No nearby objects data