Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    7.898794E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-31T17:35:52+0800
    View CDM
    Download CDM 1.0

    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 2026-11-01T22:21:54+0000
    Collision Probability (Pc) 7.898794E-7
    Conjunction Distance (km) 2.767 km
    Relative Speed (km/s) 4.808 km/s
    Conjunction Risk Parameters R (Radial): -0.595 | I (In-track): -2.563 | C (Cross-track): 0.854
    Collision Risk Index (CRI) 0.33
    X Position (km) 3935.09 3935.857
    Position Y (km) 1777.108 1774.49
    Position Z (km) 5296.345 5295.885
    Velocity X (km/s) -4.683 -1.282
    Velocity Y (km/s) 5.841 7.377
    Velocity Z (km/s) 1.516 -1.515

    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