Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    2.634994E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-11-03T09:39:36+0800
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    1 Object 1

    AOE ID 25417
    NORAD ID 25417
    Object Type PAYLOAD
    Country
    ORB ORB
    ← VS →

    2 Object 2

    AOE ID 56727
    NORAD ID 56727
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter ORBCOMM FM 16 IRIDIUM 177
    Time of Closest Approach 2026-11-04T00:01:34+0000
    Collision Probability (Pc) 2.634994E-5
    Conjunction Distance (km) 0.841 km
    Relative Speed (km/s) 6.142 km/s
    Conjunction Risk Parameters R (Radial): -0.523 | I (In-track): 0.601 | C (Cross-track): 0.267
    Collision Risk Index (CRI) 0.63
    X Position (km) -897.364 -897.024
    Position Y (km) -6294.587 -6294.429
    Position Z (km) -3234.161 -3233.409
    Velocity X (km/s) 5.582 0.038
    Velocity Y (km/s) -2.879 -3.413
    Velocity Z (km/s) 4.058 6.647

    Orbital Parameters 国际轨道数据源

    Parameter ORBCOMM FM 16 IRIDIUM 177
    Semimajor Axis (a) 7135.681 km 7124.621 km
    Eccentricity (e) 0.000702 0.000469
    Inclination (i) 44.9937° 86.4463°
    RAAN 299.7194° 264.3655°
    Perigee Argument 301.6975° 117.8824°
    Mean Anomaly (M) 58.3189° 242.2852°
    Apogee 762.557 km 749.825 km
    Perigee 752.531 km 743.143 km
    Orbit Epoch 2026-11-02T11:35:13+0000 2026-11-02T09:53:24+0000

    ORBCOMM FM 16 & IRIDIUM 177 Collision Probability (Pc) Trend

    ORBCOMM FM 16 & IRIDIUM 177 Collision Probability (Pc) TrendNot Available

    ORBCOMM FM 16 & IRIDIUM 177 Miss Distance (Miss Distance) Trend

    ORBCOMM FM 16 & IRIDIUM 177 Miss Distance (Miss Distance) TrendNot Available

    ORBCOMM FM 16Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    IRIDIUM 177Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    ORBCOMM FM 16Collision Probability Trend

    Object 1 Probability TrendNot Available

    IRIDIUM 177Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with ORBCOMM FM 16

    No nearby objects data