Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    4.586038E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T10:16:38+0800
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    1 Object 1

    Name BB4
    AOE ID 57757
    NORAD ID 57757
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 67140
    NORAD ID 67140
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter BB4 KUIPER-00186
    Time of Closest Approach 2026-09-05T10:12:33+0000
    Collision Probability (Pc) 4.586038E-6
    Conjunction Distance (km) 1.561 km
    Relative Speed (km/s) 10.192 km/s
    Conjunction Risk Parameters R (Radial): -0.089 | I (In-track): 1.146 | C (Cross-track): -1.056
    Collision Risk Index (CRI) 0.48
    X Position (km) 658.388 659.584
    Position Y (km) 4331.218 4330.418
    Position Z (km) 5459.99 5460.594
    Velocity X (km/s) -1.007 -7.505
    Velocity Y (km/s) 5.927 0.167
    Velocity Z (km/s) -4.562 0.772

    Orbital Parameters 国际轨道数据源

    Parameter BB4 KUIPER-00186
    Semimajor Axis (a) 7008.255 km 7007.692 km
    Eccentricity (e) 0.000924 0.000051
    Inclination (i) 81.0015° 51.9007°
    RAAN 275.1193° 8.2009°
    Perigee Argument 73.7213° 115.2367°
    Mean Anomaly (M) 286.5011° 244.8649°
    Apogee 636.594 km 629.914 km
    Perigee 623.642 km 629.196 km
    Orbit Epoch 2026-09-03T07:19:34+0000 2026-09-04T07:54:24+0000

    BB4 & KUIPER-00186 Collision Probability (Pc) Trend

    BB4 & KUIPER-00186 Collision Probability (Pc) TrendNot Available

    BB4 & KUIPER-00186 Miss Distance (Miss Distance) Trend

    BB4 & KUIPER-00186 Miss Distance (Miss Distance) TrendNot Available

    BB4Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    KUIPER-00186Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    BB4Collision Probability Trend

    Object 1 Probability TrendNot Available

    KUIPER-00186Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with BB4

    No nearby objects data