Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.514784E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T15:52:10+0800
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    1 Object 1

    AOE ID 48713
    NORAD ID 48713
    Object Type DEBRIS
    Country
    US US
    VS

    2 Object 2

    AOE ID 63353
    NORAD ID 63353
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter NOAA 17 DEB LEMUR 2 KREMPEL-BRO2
    Time of Closest Approach 2026-09-12T13:58:55+0000
    Collision Probability (Pc) 1.514784E-6
    Conjunction Distance (km) 2.754 km
    Relative Speed (km/s) 15.048 km/s
    Conjunction Risk Parameters R (Radial): -2.693 | I (In-track): -0.093 | C (Cross-track): 0.563
    Collision Risk Index (CRI) 0.39
    X Position (km) -4323.492 -4321.359
    Position Y (km) -5373.209 -5371.469
    Position Z (km) -35.732 -35.713
    Velocity X (km/s) -0.904 -0.806
    Velocity Y (km/s) 0.766 0.598
    Velocity Z (km/s) -7.502 7.544

    Orbital Parameters 国际轨道数据源

    Parameter NOAA 17 DEB LEMUR 2 KREMPEL-BRO2
    Semimajor Axis (a) 6877.577 km 6900.483 km
    Eccentricity (e) 0.002385 0.001796
    Inclination (i) 98.9812° 97.5790°
    RAAN 50.4021° 230.4199°
    Perigee Argument 4.5153° 322.4820°
    Mean Anomaly (M) 355.6289° 37.5158°
    Apogee 515.844 km 534.737 km
    Perigee 483.036 km 509.955 km
    Orbit Epoch 2026-09-11T21:24:59+0000 2026-09-11T20:32:29+0000

    NOAA 17 DEB & LEMUR 2 KREMPEL-BRO2 Collision Probability (Pc) Trend

    NOAA 17 DEB & LEMUR 2 KREMPEL-BRO2 Collision Probability (Pc) TrendNot Available

    NOAA 17 DEB & LEMUR 2 KREMPEL-BRO2 Miss Distance (Miss Distance) Trend

    NOAA 17 DEB & LEMUR 2 KREMPEL-BRO2 Miss Distance (Miss Distance) TrendNot Available

    NOAA 17 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    LEMUR 2 KREMPEL-BRO2Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    NOAA 17 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    LEMUR 2 KREMPEL-BRO2Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with NOAA 17 DEB

    No nearby objects data