Conjunction Event Detail

    Extreme Risk
    Extreme collision probability. Maneuver strongly recommended for primary asset.
    1.501239E-3
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T06:17:58+0800
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    1 Object 1

    AOE ID 28978
    NORAD ID 28978
    Object Type DEBRIS
    Country
    US US
    VS

    2 Object 2

    AOE ID 45302
    NORAD ID 45302
    Object Type DEBRIS
    Country
    CIS CIS

    Conjunction Constraints

    Parameter NIMBUS 2 DEB SL-14 DEB
    Time of Closest Approach 2026-09-13T11:29:33+0000
    Collision Probability (Pc) 1.501239E-3
    Conjunction Distance (km) 0.046 km
    Relative Speed (km/s) 14.506 km/s
    Conjunction Risk Parameters R (Radial): -0.005 | I (In-track): 0.008 | C (Cross-track): 0.045
    Collision Risk Index (CRI) 0.99
    X Position (km) -1706.774 -1706.778
    Position Y (km) 885.478 885.522
    Position Z (km) 7178.321 7178.309
    Velocity X (km/s) 6.861 -7.1
    Velocity Y (km/s) 2.188 -0.413
    Velocity Z (km/s) 1.329 -1.624

    Orbital Parameters 国际轨道数据源

    Parameter NIMBUS 2 DEB SL-14 DEB
    Semimajor Axis (a) 7440.203 km 7385.156 km
    Eccentricity (e) 0.003941 0.007379
    Inclination (i) 100.3791° 82.5936°
    RAAN 193.5240° 4.8465°
    Perigee Argument 171.4573° 305.2438°
    Mean Anomaly (M) 341.0507° 54.1822°
    Apogee 1091.388 km 1061.512 km
    Perigee 1032.744 km 952.526 km
    Orbit Epoch 2026-09-11T08:22:36+0000 2026-09-09T06:55:45+0000

    NIMBUS 2 DEB & SL-14 DEB Collision Probability (Pc) Trend

    NIMBUS 2 DEB & SL-14 DEB Collision Probability (Pc) TrendNot Available

    NIMBUS 2 DEB & SL-14 DEB Miss Distance (Miss Distance) Trend

    NIMBUS 2 DEB & SL-14 DEB Miss Distance (Miss Distance) TrendNot Available

    NIMBUS 2 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    SL-14 DEBMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    NIMBUS 2 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    SL-14 DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with NIMBUS 2 DEB

    No nearby objects data