Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.352084E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T06:08:28+0800
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    1 Object 1

    AOE ID 61873
    NORAD ID 61873
    Object Type ROCKET BODY
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 66399
    NORAD ID 66399
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter CZ-2C R/B STARLINK-35657
    Time of Closest Approach 2026-10-21T21:58:40+0000
    Collision Probability (Pc) 1.352084E-6
    Conjunction Distance (km) 2.8 km
    Relative Speed (km/s) 12.889 km/s
    Conjunction Risk Parameters R (Radial): -1.121 | I (In-track): 1.385 | C (Cross-track): 2.159
    Collision Risk Index (CRI) 0.38
    X Position (km) -4135.898 -4134.212
    Position Y (km) 869.755 867.533
    Position Z (km) -5387.157 -5387.385
    Velocity X (km/s) 6.033 -2.897
    Velocity Y (km/s) 0.333 -6.966
    Velocity Z (km/s) -4.651 1.102

    Orbital Parameters 国际轨道数据源

    Parameter CZ-2C R/B STARLINK-35657
    Semimajor Axis (a) 6843.085 km 6840.815 km
    Eccentricity (e) 0.007322 0.000128
    Inclination (i) 97.2883° 53.1571°
    RAAN 354.7683° 253.2547°
    Perigee Argument 155.0740° 89.5915°
    Mean Anomaly (M) 205.4068° 270.5235°
    Apogee 515.056 km 463.555 km
    Perigee 414.840 km 461.801 km
    Orbit Epoch 2026-10-19T03:12:20+0000 2026-10-19T07:47:50+0000

    CZ-2C R/B & STARLINK-35657 Collision Probability (Pc) Trend

    CZ-2C R/B & STARLINK-35657 Collision Probability (Pc) TrendNot Available

    CZ-2C R/B & STARLINK-35657 Miss Distance (Miss Distance) Trend

    CZ-2C R/B & STARLINK-35657 Miss Distance (Miss Distance) TrendNot Available

    CZ-2C R/BMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35657Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-2C R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35657Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-2C R/B

    No nearby objects data