Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    7.359077E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T21:08:23+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 55395
    NORAD ID 55395
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 63262
    NORAD ID 63262
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5274 LEMUR 2 MARACHE-FRAN
    Time of Closest Approach 2026-09-12T22:56:33+0000
    Collision Probability (Pc) 7.359077E-6
    Conjunction Distance (km) 1.461 km
    Relative Speed (km/s) 14.898 km/s
    Conjunction Risk Parameters R (Radial): -1.14 | I (In-track): 0.164 | C (Cross-track): 0.897
    Collision Risk Index (CRI) 0.52
    X Position (km) -4152.605 -4152.484
    Position Y (km) 1708.341 1707.375
    Position Z (km) -5310.407 -5309.319
    Velocity X (km/s) 3.006 -4.626
    Velocity Y (km/s) -5.571 3.592
    Velocity Z (km/s) -4.143 4.785

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5274 LEMUR 2 MARACHE-FRAN
    Semimajor Axis (a) 6950.178 km 6942.790 km
    Eccentricity (e) 0.000381 0.001126
    Inclination (i) 69.9987° 97.6669°
    RAAN 314.0819° 147.2427°
    Perigee Argument 272.3565° 70.7771°
    Mean Anomaly (M) 87.7158° 289.4671°
    Apogee 574.690 km 572.471 km
    Perigee 569.392 km 556.835 km
    Orbit Epoch 2026-09-12T04:16:32+0000 2026-09-11T16:45:46+0000

    STARLINK-5274 & LEMUR 2 MARACHE-FRAN Collision Probability (Pc) Trend

    STARLINK-5274 & LEMUR 2 MARACHE-FRAN Collision Probability (Pc) TrendNot Available

    STARLINK-5274 & LEMUR 2 MARACHE-FRAN Miss Distance (Miss Distance) Trend

    STARLINK-5274 & LEMUR 2 MARACHE-FRAN Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5274Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    LEMUR 2 MARACHE-FRANMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5274Collision Probability Trend

    Object 1 Probability TrendNot Available

    LEMUR 2 MARACHE-FRANCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5274

    No nearby objects data