Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    4.847107E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T21:56:14+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 48710
    NORAD ID 48710
    Object Type DEBRIS
    Country
    US US

    Conjunction Constraints

    Parameter ORBCOMM FM 18 NOAA 17 DEB
    Time of Closest Approach 2026-09-12T07:33:03+0000
    Collision Probability (Pc) 4.847107E-6
    Conjunction Distance (km) 1.535 km
    Relative Speed (km/s) 10.214 km/s
    Conjunction Risk Parameters R (Radial): 1.49 | I (In-track): -0.266 | C (Cross-track): -0.25
    Collision Risk Index (CRI) 0.49
    X Position (km) -1462.648 -1463.193
    Position Y (km) -5037.133 -5038.338
    Position Z (km) 4827.454 4828.232
    Velocity X (km/s) 7.296 -0.124
    Velocity Y (km/s) -0.668 5.195
    Velocity Z (km/s) 1.515 5.375

    Orbital Parameters 国际轨道数据源

    Parameter ORBCOMM FM 18 NOAA 17 DEB
    Semimajor Axis (a) 7137.324 km 7131.099 km
    Eccentricity (e) 0.000572 0.000496
    Inclination (i) 44.9917° 98.8778°
    RAAN 192.0518° 260.6975°
    Perigee Argument 11.6626° 272.2476°
    Mean Anomaly (M) 348.4354° 87.8144°
    Apogee 763.268 km 756.502 km
    Perigee 755.106 km 749.422 km
    Orbit Epoch 2026-09-11T04:34:03+0000 2026-09-10T23:42:11+0000

    ORBCOMM FM 18 & NOAA 17 DEB Collision Probability (Pc) Trend

    ORBCOMM FM 18 & NOAA 17 DEB Collision Probability (Pc) TrendNot Available

    ORBCOMM FM 18 & NOAA 17 DEB Miss Distance (Miss Distance) Trend

    ORBCOMM FM 18 & NOAA 17 DEB Miss Distance (Miss Distance) TrendNot Available

    ORBCOMM FM 18Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    NOAA 17 DEBMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    ORBCOMM FM 18Collision Probability Trend

    Object 1 Probability TrendNot Available

    NOAA 17 DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with ORBCOMM FM 18

    No nearby objects data