Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.733476E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-29T14:43:52+0800
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    1 Object 1

    AOE ID 52644
    NORAD ID 52644
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 63378
    NORAD ID 63378
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3985 STARLINK-33640
    Time of Closest Approach 2026-10-31T06:09:28+0000
    Collision Probability (Pc) 1.733476E-6
    Conjunction Distance (km) 2.309 km
    Relative Speed (km/s) 11.231 km/s
    Conjunction Risk Parameters R (Radial): 2.268 | I (In-track): -0.291 | C (Cross-track): 0.318
    Collision Risk Index (CRI) 0.4
    X Position (km) -3178.282 -3179.703
    Position Y (km) -5156.523 -5158.006
    Position Z (km) -3181.762 -3182.817
    Velocity X (km/s) 3.031 5.767
    Velocity Y (km/s) -4.932 -0.492
    Velocity Z (km/s) 4.973 -4.973

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3985 STARLINK-33640
    Semimajor Axis (a) 6837.881 km 6840.831 km
    Eccentricity (e) 0.000123 0.000098
    Inclination (i) 53.1615° 53.1619°
    RAAN 274.6198° 50.2648°
    Perigee Argument 88.4202° 90.7693°
    Mean Anomaly (M) 271.6942° 269.3422°
    Apogee 460.586 km 463.365 km
    Perigee 458.902 km 462.023 km
    Orbit Epoch 2026-10-28T11:08:10+0000 2026-10-28T00:37:38+0000

    STARLINK-3985 & STARLINK-33640 Collision Probability (Pc) Trend

    STARLINK-3985 & STARLINK-33640 Collision Probability (Pc) TrendNot Available

    STARLINK-3985 & STARLINK-33640 Miss Distance (Miss Distance) Trend

    STARLINK-3985 & STARLINK-33640 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3985Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-33640Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3985Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-33640Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3985

    No nearby objects data