Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.168594E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T17:16:10+0800
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    1 Object 1

    Name PROBA 1
    AOE ID 26958
    NORAD ID 26958
    Object Type PAYLOAD
    Country
    ESA ESA
    ← VS →

    2 Object 2

    AOE ID 66836
    NORAD ID 66836
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter PROBA 1 STARLINK-35838
    Time of Closest Approach 2026-10-23T13:57:38+0000
    Collision Probability (Pc) 2.168594E-6
    Conjunction Distance (km) 2.258 km
    Relative Speed (km/s) 15.04 km/s
    Conjunction Risk Parameters R (Radial): -0.626 | I (In-track): 0.306 | C (Cross-track): -2.147
    Collision Risk Index (CRI) 0.42
    X Position (km) -3915.558 -3914.184
    Position Y (km) 3789.298 3790.845
    Position Z (km) 4264.278 4265.182
    Velocity X (km/s) -2.41 0.738
    Velocity Y (km/s) 4.19 -5.304
    Velocity Z (km/s) -5.852 5.379

    Orbital Parameters 国际轨道数据源

    Parameter PROBA 1 STARLINK-35838
    Semimajor Axis (a) 6920.714 km 6921.956 km
    Eccentricity (e) 0.005589 0.000268
    Inclination (i) 97.9619° 70.0009°
    RAAN 306.8753° 126.6662°
    Perigee Argument 58.3799° 273.7636°
    Mean Anomaly (M) 302.2865° 86.3221°
    Apogee 581.260 km 545.675 km
    Perigee 503.894 km 541.963 km
    Orbit Epoch 2026-10-20T21:38:14+0000 2026-10-20T17:18:10+0000

    PROBA 1 & STARLINK-35838 Collision Probability (Pc) Trend

    PROBA 1 & STARLINK-35838 Collision Probability (Pc) TrendNot Available

    PROBA 1 & STARLINK-35838 Miss Distance (Miss Distance) Trend

    PROBA 1 & STARLINK-35838 Miss Distance (Miss Distance) TrendNot Available

    PROBA 1Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35838Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    PROBA 1Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35838Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with PROBA 1

    No nearby objects data