Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    6.630219E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-31T17:35:52+0800
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    1 Object 1

    AOE ID 53904
    NORAD ID 53904
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 58966
    NORAD ID 58966
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4787 STARLINK-31449
    Time of Closest Approach 2026-11-01T23:55:41+0000
    Collision Probability (Pc) 6.630219E-6
    Conjunction Distance (km) 1.198 km
    Relative Speed (km/s) 4.808 km/s
    Conjunction Risk Parameters R (Radial): -0.609 | I (In-track): 0.98 | C (Cross-track): -0.322
    Collision Risk Index (CRI) 0.51
    X Position (km) 3945.679 3944.906
    Position Y (km) 1754.654 1755.439
    Position Z (km) 5295.954 5295.483
    Velocity X (km/s) -4.651 -1.244
    Velocity Y (km/s) 5.867 7.383
    Velocity Z (km/s) 1.518 -1.517

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4787 STARLINK-31449
    Semimajor Axis (a) 6840.865 km 6840.928 km
    Eccentricity (e) 0.000101 0.000129
    Inclination (i) 53.1613° 53.1589°
    RAAN 327.5531° 281.3496°
    Perigee Argument 70.3439° 98.5079°
    Mean Anomaly (M) 289.7672° 186.4158°
    Apogee 463.419 km 463.671 km
    Perigee 462.037 km 461.911 km
    Orbit Epoch 2026-10-30T18:26:59+0000 2026-10-30T18:00:02+0000

    STARLINK-4787 & STARLINK-31449 Collision Probability (Pc) Trend

    STARLINK-4787 & STARLINK-31449 Collision Probability (Pc) TrendNot Available

    STARLINK-4787 & STARLINK-31449 Miss Distance (Miss Distance) Trend

    STARLINK-4787 & STARLINK-31449 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4787Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31449Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4787Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31449Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4787

    No nearby objects data