Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.439582E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T01:44:03+0800
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    1 Object 1

    AOE ID 37181
    NORAD ID 37181
    Object Type ROCKET BODY
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 66630
    NORAD ID 66630
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter CZ-4B R/B STARLINK-35949
    Time of Closest Approach 2026-10-20T00:23:55+0000
    Collision Probability (Pc) 1.439582E-6
    Conjunction Distance (km) 2.832 km
    Relative Speed (km/s) 14.761 km/s
    Conjunction Risk Parameters R (Radial): -2.76 | I (In-track): 0.163 | C (Cross-track): -0.61
    Collision Risk Index (CRI) 0.38
    X Position (km) 6162.521 6160.175
    Position Y (km) -2303.922 -2302.425
    Position Z (km) 1876.474 1875.954
    Velocity X (km/s) -2.355 3.209
    Velocity Y (km/s) -0.269 3.883
    Velocity Z (km/s) 7.284 -5.742

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4B R/B STARLINK-35949
    Semimajor Axis (a) 6885.907 km 6840.823 km
    Eccentricity (e) 0.007210 0.000131
    Inclination (i) 97.7699° 53.1571°
    RAAN 340.7817° 175.6467°
    Perigee Argument 44.0571° 111.3020°
    Mean Anomaly (M) 316.6377° 248.8122°
    Apogee 557.419 km 463.583 km
    Perigee 458.121 km 461.789 km
    Orbit Epoch 2026-10-19T02:12:03+0000 2026-10-19T04:56:47+0000

    CZ-4B R/B & STARLINK-35949 Collision Probability (Pc) Trend

    CZ-4B R/B & STARLINK-35949 Collision Probability (Pc) TrendNot Available

    CZ-4B R/B & STARLINK-35949 Miss Distance (Miss Distance) Trend

    CZ-4B R/B & STARLINK-35949 Miss Distance (Miss Distance) TrendNot Available

    CZ-4B R/BMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35949Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-4B R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35949Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-4B R/B

    No nearby objects data