Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    8.029825E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-27T23:11:59+0800
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    1 Object 1

    AOE ID 39270
    NORAD ID 39270
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 52292
    NORAD ID 52292
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter POPACS 3 STARLINK-3753
    Time of Closest Approach 2026-10-29T20:04:33+0000
    Collision Probability (Pc) 8.029825E-7
    Conjunction Distance (km) 2.712 km
    Relative Speed (km/s) 4.717 km/s
    Conjunction Risk Parameters R (Radial): 2.599 | I (In-track): 0.771 | C (Cross-track): -0.071
    Collision Risk Index (CRI) 0.33
    X Position (km) 1298.027 1298.406
    Position Y (km) 5501.854 5504.401
    Position Z (km) -3856.045 -3856.895
    Velocity X (km/s) -0.507 -4.71
    Velocity Y (km/s) 4.243 4.146
    Velocity Z (km/s) 6.475 4.338

    Orbital Parameters 国际轨道数据源

    Parameter POPACS 3 STARLINK-3753
    Semimajor Axis (a) 7077.584 km 6840.855 km
    Eccentricity (e) 0.054389 0.000117
    Inclination (i) 80.9981° 53.1593°
    RAAN 85.8378° 121.4508°
    Perigee Argument 27.2118° 72.7475°
    Mean Anomaly (M) 335.6488° 287.3656°
    Apogee 1084.390 km 463.521 km
    Perigee 314.504 km 461.915 km
    Orbit Epoch 2026-10-27T03:59:37+0000 2026-10-26T20:21:38+0000

    POPACS 3 & STARLINK-3753 Collision Probability (Pc) Trend

    POPACS 3 & STARLINK-3753 Collision Probability (Pc) TrendNot Available

    POPACS 3 & STARLINK-3753 Miss Distance (Miss Distance) Trend

    POPACS 3 & STARLINK-3753 Miss Distance (Miss Distance) TrendNot Available

    POPACS 3Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-3753Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    POPACS 3Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-3753Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with POPACS 3

    No nearby objects data