Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    9.948723E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T17:14:10+0800
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    1 Object 1

    AOE ID 35442
    NORAD ID 35442
    Object Type DEBRIS
    Country
    CIS CIS
    ← VS →

    2 Object 2

    AOE ID 66786
    NORAD ID 66786
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 2251 DEB LEMUR-2-HOTSPUR-TOM
    Time of Closest Approach 2026-10-21T14:06:31+0000
    Collision Probability (Pc) 9.948723E-6
    Conjunction Distance (km) 1.338 km
    Relative Speed (km/s) 15.008 km/s
    Conjunction Risk Parameters R (Radial): 0.44 | I (In-track): 0.162 | C (Cross-track): 1.254
    Collision Risk Index (CRI) 0.55
    X Position (km) -4500.202 -4500.059
    Position Y (km) 627.546 628.732
    Position Z (km) -5277.723 -5277.122
    Velocity X (km/s) -5.585 5.759
    Velocity Y (km/s) -2.441 0.724
    Velocity Z (km/s) 4.469 -4.832

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2251 DEB LEMUR-2-HOTSPUR-TOM
    Semimajor Axis (a) 6955.034 km 6944.714 km
    Eccentricity (e) 0.000650 0.001814
    Inclination (i) 74.0221° 97.5156°
    RAAN 194.4558° 0.0519°
    Perigee Argument 182.9870° 67.8797°
    Mean Anomaly (M) 177.1278° 292.4351°
    Apogee 581.416 km 579.179 km
    Perigee 572.378 km 553.975 km
    Orbit Epoch 2026-10-20T03:03:02+0000 2026-10-20T17:52:40+0000

    COSMOS 2251 DEB & LEMUR-2-HOTSPUR-TOM Collision Probability (Pc) Trend

    COSMOS 2251 DEB & LEMUR-2-HOTSPUR-TOM Collision Probability (Pc) TrendNot Available

    COSMOS 2251 DEB & LEMUR-2-HOTSPUR-TOM Miss Distance (Miss Distance) Trend

    COSMOS 2251 DEB & LEMUR-2-HOTSPUR-TOM Miss Distance (Miss Distance) TrendNot Available

    COSMOS 2251 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    LEMUR-2-HOTSPUR-TOMMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2251 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    LEMUR-2-HOTSPUR-TOMCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2251 DEB

    No nearby objects data