Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.990703E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T21:01:55+0800
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    1 Object 1

    AOE ID 52858
    NORAD ID 52858
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 59391
    NORAD ID 59391
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4198 STARLINK-31644
    Time of Closest Approach 2026-10-29T21:10:32+0000
    Collision Probability (Pc) 3.990703E-6
    Conjunction Distance (km) 1.684 km
    Relative Speed (km/s) 11.764 km/s
    Conjunction Risk Parameters R (Radial): 1.485 | I (In-track): 0.516 | C (Cross-track): -0.603
    Collision Risk Index (CRI) 0.47
    X Position (km) 4144.694 4144.985
    Position Y (km) 4908.85 4910.424
    Position Z (km) 2341.53 2342.05
    Velocity X (km/s) -5.028 -2.419
    Velocity Y (km/s) 1.598 4.688
    Velocity Z (km/s) 5.524 -5.522

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4198 STARLINK-31644
    Semimajor Axis (a) 6840.832 km 6841.219 km
    Eccentricity (e) 0.000137 0.000111
    Inclination (i) 53.1638° 53.1564°
    RAAN 44.0412° 256.4817°
    Perigee Argument 57.2128° 44.3107°
    Mean Anomaly (M) 302.9006° 315.7984°
    Apogee 463.635 km 463.841 km
    Perigee 461.755 km 462.323 km
    Orbit Epoch 2026-10-27T17:28:45+0000 2026-10-27T13:47:10+0000

    STARLINK-4198 & STARLINK-31644 Collision Probability (Pc) Trend

    STARLINK-4198 & STARLINK-31644 Collision Probability (Pc) TrendNot Available

    STARLINK-4198 & STARLINK-31644 Miss Distance (Miss Distance) Trend

    STARLINK-4198 & STARLINK-31644 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4198Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31644Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4198Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31644Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4198

    No nearby objects data