Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    3.318431E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T14:47:58+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) 3.318431E-6
    Conjunction Distance (km) 1.737 km
    Relative Speed (km/s) 10.214 km/s
    Conjunction Risk Parameters R (Radial): -1.497 | I (In-track): 0.636 | C (Cross-track): -0.608
    Collision Risk Index (CRI) 0.45
    X Position (km) -1462.296 -1463.188
    Position Y (km) -5037.134 -5038.551
    Position Z (km) 4827.549 4828.012
    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) 7137.328 km 7131.099 km
    Eccentricity (e) 0.000579 0.000496
    Inclination (i) 44.9916° 98.8778°
    RAAN 197.0016° 260.6975°
    Perigee Argument 6.0490° 272.2476°
    Mean Anomaly (M) 354.0428° 87.8144°
    Apogee 763.323 km 756.502 km
    Perigee 755.059 km 749.422 km
    Orbit Epoch 2026-09-10T03:35:17+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