Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.217015E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T21:50:12+0800
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    1 Object 1

    AOE ID 51987
    NORAD ID 51987
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 65903
    NORAD ID 65903
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3644 STARLINK-35210
    Time of Closest Approach 2026-10-30T03:52:53+0000
    Collision Probability (Pc) 2.217015E-6
    Conjunction Distance (km) 1.657 km
    Relative Speed (km/s) 4.375 km/s
    Conjunction Risk Parameters R (Radial): -0.348 | I (In-track): -1.552 | C (Cross-track): -0.46
    Collision Risk Index (CRI) 0.42
    X Position (km) 1552.238 1550.651
    Position Y (km) -3995.676 -3996.062
    Position Z (km) -5338.208 -5337.934
    Velocity X (km/s) 6.191 7.426
    Velocity Y (km/s) 4.234 1.054
    Velocity Z (km/s) -1.37 1.369

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3644 STARLINK-35210
    Semimajor Axis (a) 6840.944 km 6840.820 km
    Eccentricity (e) 0.000110 0.000118
    Inclination (i) 53.1607° 53.1593°
    RAAN 54.0156° 12.6450°
    Perigee Argument 98.2325° 73.4356°
    Mean Anomaly (M) 261.8803° 286.6776°
    Apogee 463.561 km 463.493 km
    Perigee 462.053 km 461.873 km
    Orbit Epoch 2026-10-27T15:21:43+0000 2026-10-27T12:07:35+0000

    STARLINK-3644 & STARLINK-35210 Collision Probability (Pc) Trend

    STARLINK-3644 & STARLINK-35210 Collision Probability (Pc) TrendNot Available

    STARLINK-3644 & STARLINK-35210 Miss Distance (Miss Distance) Trend

    STARLINK-3644 & STARLINK-35210 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3644Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35210Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3644Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35210Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3644

    No nearby objects data