Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    9.898817E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-14T09:05:58+0800
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    1 Object 1

    AOE ID 5581
    NORAD ID 5581
    Object Type ROCKET BODY
    Country
    GB GB
    ← VS →

    2 Object 2

    AOE ID 64561
    NORAD ID 64561
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter BLACK ARROW R/B LEMUR 2 KRISH
    Time of Closest Approach 2026-10-14T02:48:14+0000
    Collision Probability (Pc) 9.898817E-6
    Conjunction Distance (km) 1.345 km
    Relative Speed (km/s) 15.294 km/s
    Conjunction Risk Parameters R (Radial): 1.31 | I (In-track): 0.027 | C (Cross-track): -0.306
    Collision Risk Index (CRI) 0.55
    X Position (km) -4899.824 -4900.553
    Position Y (km) -3712.52 -3713.457
    Position Z (km) -3261.342 -3261.975
    Velocity X (km/s) -1.976 2.088
    Velocity Y (km/s) -3.017 3.037
    Velocity Z (km/s) 6.836 -6.607

    Orbital Parameters 国际轨道数据源

    Parameter BLACK ARROW R/B LEMUR 2 KRISH
    Semimajor Axis (a) 7269.314 km 6953.940 km
    Eccentricity (e) 0.050454 0.000181
    Inclination (i) 82.0389° 97.7861°
    RAAN 221.9044° 40.7454°
    Perigee Argument 5.4848° 96.0625°
    Mean Anomaly (M) 355.1557° 264.0803°
    Apogee 1257.941 km 577.064 km
    Perigee 524.413 km 574.542 km
    Orbit Epoch 2026-10-13T13:12:44+0000 2026-10-13T13:02:41+0000

    BLACK ARROW R/B & LEMUR 2 KRISH Collision Probability (Pc) Trend

    BLACK ARROW R/B & LEMUR 2 KRISH Collision Probability (Pc) TrendNot Available

    BLACK ARROW R/B & LEMUR 2 KRISH Miss Distance (Miss Distance) Trend

    BLACK ARROW R/B & LEMUR 2 KRISH Miss Distance (Miss Distance) TrendNot Available

    BLACK ARROW R/BMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    LEMUR 2 KRISHMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    BLACK ARROW R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    LEMUR 2 KRISHCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with BLACK ARROW R/B

    No nearby objects data