Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    3.099554E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-11-03T09:40:41+0800
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    1 Object 1

    AOE ID 25475
    NORAD ID 25475
    Object Type PAYLOAD
    Country
    ORB ORB
    ← VS →

    2 Object 2

    AOE ID 34497
    NORAD ID 34497
    Object Type DEBRIS
    Country
    US US

    Conjunction Constraints

    Parameter ORBCOMM FM 21 IRIDIUM 33 DEB
    Time of Closest Approach 2026-11-03T23:04:59+0000
    Collision Probability (Pc) 3.099554E-5
    Conjunction Distance (km) 0.926 km
    Relative Speed (km/s) 12.279 km/s
    Conjunction Risk Parameters R (Radial): -0.896 | I (In-track): -0.116 | C (Cross-track): -0.194
    Collision Risk Index (CRI) 0.65
    X Position (km) -5.559 -5.747
    Position Y (km) -5579.91 -5579.131
    Position Z (km) -4459.942 -4459.481
    Velocity X (km/s) 6.763 0.618
    Velocity Y (km/s) 1.973 -4.623
    Velocity Z (km/s) -2.48 5.857

    Orbital Parameters 国际轨道数据源

    Parameter ORBCOMM FM 21 IRIDIUM 33 DEB
    Semimajor Axis (a) 7142.093 km 7175.409 km
    Eccentricity (e) 0.000332 0.007981
    Inclination (i) 45.0091° 86.2729°
    RAAN 43.6688° 273.8221°
    Perigee Argument 218.1049° 14.8000°
    Mean Anomaly (M) 141.9565° 13.2957°
    Apogee 766.328 km 854.538 km
    Perigee 761.584 km 740.006 km
    Orbit Epoch 2026-11-02T12:37:26+0000 2026-11-01T20:57:08+0000

    ORBCOMM FM 21 & IRIDIUM 33 DEB Collision Probability (Pc) Trend

    ORBCOMM FM 21 & IRIDIUM 33 DEB Collision Probability (Pc) TrendNot Available

    ORBCOMM FM 21 & IRIDIUM 33 DEB Miss Distance (Miss Distance) Trend

    ORBCOMM FM 21 & IRIDIUM 33 DEB Miss Distance (Miss Distance) TrendNot Available

    ORBCOMM FM 21Miss 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 21Collision Probability Trend

    Object 1 Probability TrendNot Available

    IRIDIUM 33 DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with ORBCOMM FM 21

    No nearby objects data