Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    4.062909E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T15:58:32+0800
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    1 Object 1

    AOE ID 39679
    NORAD ID 39679
    Object Type ROCKET BODY
    Country
    CIS CIS
    ← VS →

    2 Object 2

    AOE ID 68951
    NORAD ID 68951
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter SL-4 R/B STARLINK-37258
    Time of Closest Approach 2026-10-22T06:12:38+0000
    Collision Probability (Pc) 4.062909E-6
    Conjunction Distance (km) 1.181 km
    Relative Speed (km/s) 2.052 km/s
    Conjunction Risk Parameters R (Radial): 1.167 | I (In-track): -0.18 | C (Cross-track): 0.006
    Collision Risk Index (CRI) 0.47
    X Position (km) 3408.649 3407.997
    Position Y (km) 2531.743 2531.474
    Position Z (km) 5354.082 5353.136
    Velocity X (km/s) -4.598 -3.143
    Velocity Y (km/s) 6.078 6.852
    Velocity Z (km/s) -0.016 -1.236

    Orbital Parameters 国际轨道数据源

    Parameter SL-4 R/B STARLINK-37258
    Semimajor Axis (a) 6810.127 km 6840.837 km
    Eccentricity (e) 0.008446 0.000173
    Inclination (i) 51.6047° 53.1580°
    RAAN 319.1953° 301.3813°
    Perigee Argument 203.1395° 90.5065°
    Mean Anomaly (M) 156.5779° 269.6136°
    Apogee 489.512 km 463.887 km
    Perigee 374.468 km 461.513 km
    Orbit Epoch 2026-10-19T18:49:19+0000 2026-10-19T07:25:39+0000

    SL-4 R/B & STARLINK-37258 Collision Probability (Pc) Trend

    SL-4 R/B & STARLINK-37258 Collision Probability (Pc) TrendNot Available

    SL-4 R/B & STARLINK-37258 Miss Distance (Miss Distance) Trend

    SL-4 R/B & STARLINK-37258 Miss Distance (Miss Distance) TrendNot Available

    SL-4 R/BMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37258Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SL-4 R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37258Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SL-4 R/B

    No nearby objects data