Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    3.332113E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T21:33:37+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 51128
    NORAD ID 51128
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 53542
    NORAD ID 53542
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3400 STARLINK-4489
    Time of Closest Approach 2026-10-30T12:49:52+0000
    Collision Probability (Pc) 3.332113E-5
    Conjunction Distance (km) 0.874 km
    Relative Speed (km/s) 10.359 km/s
    Conjunction Risk Parameters R (Radial): -0.847 | I (In-track): 0.154 | C (Cross-track): -0.146
    Collision Risk Index (CRI) 0.65
    X Position (km) -845.508 -845.403
    Position Y (km) 5510.831 5511.544
    Position Z (km) 3954.031 3954.525
    Velocity X (km/s) -6.006 -5.095
    Velocity Y (km/s) 2.116 -3.819
    Velocity Z (km/s) -4.22 4.22

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3400 STARLINK-4489
    Semimajor Axis (a) 6840.966 km 6840.914 km
    Eccentricity (e) 0.000093 0.000099
    Inclination (i) 53.1584° 53.1618°
    RAAN 323.0892° 80.0422°
    Perigee Argument 92.5902° 80.9846°
    Mean Anomaly (M) 330.8336° 279.1268°
    Apogee 463.467 km 463.452 km
    Perigee 462.191 km 462.102 km
    Orbit Epoch 2026-10-27T22:00:02+0000 2026-10-27T15:50:46+0000

    STARLINK-3400 & STARLINK-4489 Collision Probability (Pc) Trend

    STARLINK-3400 & STARLINK-4489 Collision Probability (Pc) TrendNot Available

    STARLINK-3400 & STARLINK-4489 Miss Distance (Miss Distance) Trend

    STARLINK-3400 & STARLINK-4489 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3400Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4489Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3400Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4489Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3400

    No nearby objects data