Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.355954E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T04:48:45+0800
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    1 Object 1

    Name RAVAN
    AOE ID 41849
    NORAD ID 41849
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 62837
    NORAD ID 62837
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter RAVAN STARLINK-11557
    Time of Closest Approach 2026-10-20T23:17:57+0000
    Collision Probability (Pc) 1.355954E-6
    Conjunction Distance (km) 2.94 km
    Relative Speed (km/s) 14.48 km/s
    Conjunction Risk Parameters R (Radial): -1.675 | I (In-track): 0.812 | C (Cross-track): 2.275
    Collision Risk Index (CRI) 0.38
    X Position (km) 6321.713 6319.309
    Position Y (km) 2071.674 2073.136
    Position Z (km) -1048.425 -1049.274
    Velocity X (km/s) -0.783 -1.012
    Velocity Y (km/s) -1.392 5.665
    Velocity Z (km/s) -7.527 5.114

    Orbital Parameters 国际轨道数据源

    Parameter RAVAN STARLINK-11557
    Semimajor Axis (a) 6731.806 km 6734.451 km
    Eccentricity (e) 0.000204 0.000399
    Inclination (i) 97.9682° 43.0003°
    RAAN 198.4991° 31.7313°
    Perigee Argument 136.1416° 295.2977°
    Mean Anomaly (M) 224.0008° 64.7477°
    Apogee 355.045 km 359.001 km
    Perigee 352.293 km 353.627 km
    Orbit Epoch 2026-10-20T04:09:53+0000 2026-10-20T08:05:49+0000

    RAVAN & STARLINK-11557 Collision Probability (Pc) Trend

    RAVAN & STARLINK-11557 Collision Probability (Pc) TrendNot Available

    RAVAN & STARLINK-11557 Miss Distance (Miss Distance) Trend

    RAVAN & STARLINK-11557 Miss Distance (Miss Distance) TrendNot Available

    RAVANMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-11557Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    RAVANCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-11557Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with RAVAN

    No nearby objects data