Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.871321E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T03:38:37+0800
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    1 Object 1

    AOE ID 53013
    NORAD ID 53013
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 66881
    NORAD ID 66881
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4177 STARLINK-35860
    Time of Closest Approach 2026-10-21T16:48:03+0000
    Collision Probability (Pc) 2.871321E-6
    Conjunction Distance (km) 1.708 km
    Relative Speed (km/s) 7.579 km/s
    Conjunction Risk Parameters R (Radial): -0.558 | I (In-track): 1.402 | C (Cross-track): -0.8
    Collision Risk Index (CRI) 0.44
    X Position (km) -4720.738 -4720.356
    Position Y (km) 12.649 11.034
    Position Z (km) 4941.398 4940.994
    Velocity X (km/s) 2.726 -2.759
    Velocity Y (km/s) -6.64 -6.626
    Velocity Z (km/s) 2.614 -2.614

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4177 STARLINK-35860
    Semimajor Axis (a) 6840.872 km 6840.830 km
    Eccentricity (e) 0.000125 0.000134
    Inclination (i) 53.1592° 53.1585°
    RAAN 140.6889° 63.8499°
    Perigee Argument 88.7841° 79.8609°
    Mean Anomaly (M) 271.3304° 280.2545°
    Apogee 463.589 km 463.609 km
    Perigee 461.881 km 461.777 km
    Orbit Epoch 2026-10-19T00:25:37+0000 2026-10-19T01:46:26+0000

    STARLINK-4177 & STARLINK-35860 Collision Probability (Pc) Trend

    STARLINK-4177 & STARLINK-35860 Collision Probability (Pc) TrendNot Available

    STARLINK-4177 & STARLINK-35860 Miss Distance (Miss Distance) Trend

    STARLINK-4177 & STARLINK-35860 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4177Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35860Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4177Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35860Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4177

    No nearby objects data