Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    6.299698E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-27T17:38:28+0800
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    1 Object 1

    AOE ID 41189
    NORAD ID 41189
    Object Type PAYLOAD
    Country
    ORB ORB
    ← VS →

    2 Object 2

    Name HEAD-3A
    AOE ID 57626
    NORAD ID 57626
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter ORBCOMM FM 116 HEAD-3A
    Time of Closest Approach 2026-10-28T10:52:24+0000
    Collision Probability (Pc) 6.299698E-7
    Conjunction Distance (km) 2.221 km
    Relative Speed (km/s) 1.514 km/s
    Conjunction Risk Parameters R (Radial): 2.195 | I (In-track): 0.337 | C (Cross-track): -0.028
    Collision Risk Index (CRI) 0.31
    X Position (km) -1915.441 -1914.523
    Position Y (km) 4634.537 4633.191
    Position Z (km) 4983.025 4981.516
    Velocity X (km/s) -7.23 -7.073
    Velocity Y (km/s) -1.415 -2.49
    Velocity Z (km/s) -1.459 -0.405

    Orbital Parameters 国际轨道数据源

    Parameter ORBCOMM FM 116 HEAD-3A
    Semimajor Axis (a) 7074.513 km 7068.603 km
    Eccentricity (e) 0.000231 0.000848
    Inclination (i) 47.0040° 45.0029°
    RAAN 10.9037° 23.7911°
    Perigee Argument 278.7527° 244.5597°
    Mean Anomaly (M) 81.3097° 115.4383°
    Apogee 698.012 km 696.464 km
    Perigee 694.740 km 684.468 km
    Orbit Epoch 2026-10-26T05:48:00+0000 2026-10-26T22:20:07+0000

    ORBCOMM FM 116 & HEAD-3A Collision Probability (Pc) Trend

    ORBCOMM FM 116 & HEAD-3A Collision Probability (Pc) TrendNot Available

    ORBCOMM FM 116 & HEAD-3A Miss Distance (Miss Distance) Trend

    ORBCOMM FM 116 & HEAD-3A Miss Distance (Miss Distance) TrendNot Available

    ORBCOMM FM 116Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    HEAD-3AMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    ORBCOMM FM 116Collision Probability Trend

    Object 1 Probability TrendNot Available

    HEAD-3ACollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with ORBCOMM FM 116

    No nearby objects data