Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.087941E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T13:36:08+0800
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    1 Object 1

    AOE ID 25414
    NORAD ID 25414
    Object Type PAYLOAD
    Country
    ORB ORB
    VS

    2 Object 2

    AOE ID 25482
    NORAD ID 25482
    Object Type PAYLOAD
    Country
    ORB ORB

    Conjunction Constraints

    Parameter ORBCOMM FM 18 ORBCOMM FM 28
    Time of Closest Approach 2026-09-11T08:21:58+0000
    Collision Probability (Pc) 2.087941E-6
    Conjunction Distance (km) 1.554 km
    Relative Speed (km/s) 2.906 km/s
    Conjunction Risk Parameters R (Radial): -0.386 | I (In-track): -1.475 | C (Cross-track): 0.293
    Collision Risk Index (CRI) 0.41
    X Position (km) 2348.784 2350.25
    Position Y (km) -4573.756 -4573.316
    Position Z (km) 4940.597 4940.864
    Velocity X (km/s) 6.987 6.064
    Velocity Y (km/s) 2.456 4.25
    Velocity Z (km/s) -1.04 1.051

    Orbital Parameters 国际轨道数据源

    Parameter ORBCOMM FM 18 ORBCOMM FM 28
    Semimajor Axis (a) 7137.328 km 7138.910 km
    Eccentricity (e) 0.000579 0.000450
    Inclination (i) 44.9916° 45.0041°
    RAAN 197.0016° 224.8931°
    Perigee Argument 6.0490° 9.7546°
    Mean Anomaly (M) 354.0428° 350.3390°
    Apogee 763.323 km 763.987 km
    Perigee 755.059 km 757.559 km
    Orbit Epoch 2026-09-10T03:35:17+0000 2026-09-10T23:40:27+0000

    ORBCOMM FM 18 & ORBCOMM FM 28 Collision Probability (Pc) Trend

    ORBCOMM FM 18 & ORBCOMM FM 28 Collision Probability (Pc) TrendNot Available

    ORBCOMM FM 18 & ORBCOMM FM 28 Miss Distance (Miss Distance) Trend

    ORBCOMM FM 18 & ORBCOMM FM 28 Miss Distance (Miss Distance) TrendNot Available

    ORBCOMM FM 18Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    ORBCOMM FM 28Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    ORBCOMM FM 18Collision Probability Trend

    Object 1 Probability TrendNot Available

    ORBCOMM FM 28Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with ORBCOMM FM 18

    No nearby objects data