Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.898767E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-17T05:46:02+0800
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    1 Object 1

    Name USA 76
    AOE ID 21808
    NORAD ID 21808
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 45357
    NORAD ID 45357
    Object Type DEBRIS
    Country
    CIS CIS

    Conjunction Constraints

    Parameter USA 76 SL-14 DEB
    Time of Closest Approach 2026-10-17T05:38:35+0000
    Collision Probability (Pc) 1.898767E-6
    Conjunction Distance (km) 2.354 km
    Relative Speed (km/s) 13.94 km/s
    Conjunction Risk Parameters R (Radial): -0.096 | I (In-track): -0.696 | C (Cross-track): 2.247
    Collision Risk Index (CRI) 0.41
    X Position (km) 7447.288 7447.213
    Position Y (km) 490.672 492.99
    Position Z (km) 338.921 339.325
    Velocity X (km/s) 0.723 -0.356
    Velocity Y (km/s) 3.314 0.925
    Velocity Z (km/s) -6.439 7.252

    Orbital Parameters 国际轨道数据源

    Parameter USA 76 SL-14 DEB
    Semimajor Axis (a) 7410.679 km 7496.921 km
    Eccentricity (e) 0.088272 0.006977
    Inclination (i) 63.2970° 82.5715°
    RAAN 187.1409° 4.2132°
    Perigee Argument 76.7662° 307.7076°
    Mean Anomaly (M) 293.0216° 51.7746°
    Apogee 1686.698 km 1171.092 km
    Perigee 378.386 km 1066.476 km
    Orbit Epoch 2026-10-16T11:14:16+0000 2026-10-16T04:29:40+0000

    USA 76 & SL-14 DEB Collision Probability (Pc) Trend

    USA 76 & SL-14 DEB Collision Probability (Pc) TrendNot Available

    USA 76 & SL-14 DEB Miss Distance (Miss Distance) Trend

    USA 76 & SL-14 DEB Miss Distance (Miss Distance) TrendNot Available

    USA 76Miss 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

    USA 76Collision Probability Trend

    Object 1 Probability TrendNot Available

    SL-14 DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with USA 76

    No nearby objects data