Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    5.031083E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-06T10:20:53+0800
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    1 Object 1

    AOE ID 55015
    NORAD ID 55015
    Object Type PAYLOAD
    Country
    NO NO
    ← VS →

    2 Object 2

    AOE ID 60559
    NORAD ID 60559
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter BIRKELAND FLOCK 4BE 5
    Time of Closest Approach 2026-10-07T07:25:59+0000
    Collision Probability (Pc) 5.031083E-7
    Conjunction Distance (km) 2.937 km
    Relative Speed (km/s) 2.243 km/s
    Conjunction Risk Parameters R (Radial): 1.938 | I (In-track): 2.184 | C (Cross-track): -0.319
    Collision Risk Index (CRI) 0.29
    X Position (km) -23.315 -21.105
    Position Y (km) -880.788 -880.643
    Position Z (km) 6749.322 6747.393
    Velocity X (km/s) -7.505 -7.614
    Velocity Y (km/s) 1.487 -0.734
    Velocity Z (km/s) 0.17 -0.121

    Orbital Parameters 国际轨道数据源

    Parameter BIRKELAND FLOCK 4BE 5
    Semimajor Axis (a) 6819.061 km 6811.580 km
    Eccentricity (e) 0.000773 0.000252
    Inclination (i) 97.3240° 97.3781°
    RAAN 346.9207° 3.5040°
    Perigee Argument 73.7825° 226.8425°
    Mean Anomaly (M) 286.4273° 133.2613°
    Apogee 446.199 km 435.161 km
    Perigee 435.649 km 431.725 km
    Orbit Epoch 2026-10-05T14:33:03+0000 2026-10-05T05:16:48+0000

    BIRKELAND & FLOCK 4BE 5 Collision Probability (Pc) Trend

    BIRKELAND & FLOCK 4BE 5 Collision Probability (Pc) TrendNot Available

    BIRKELAND & FLOCK 4BE 5 Miss Distance (Miss Distance) Trend

    BIRKELAND & FLOCK 4BE 5 Miss Distance (Miss Distance) TrendNot Available

    BIRKELANDMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    FLOCK 4BE 5Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    BIRKELANDCollision Probability Trend

    Object 1 Probability TrendNot Available

    FLOCK 4BE 5Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with BIRKELAND

    No nearby objects data