Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    9.816288E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-08T21:44:10+0800
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    1 Object 1

    AOE ID 28493
    NORAD ID 28493
    Object Type PAYLOAD
    Country
    ES ES
    VS

    2 Object 2

    AOE ID 35716
    NORAD ID 35716
    Object Type DEBRIS
    Country
    CIS CIS

    Conjunction Constraints

    Parameter NANOSAT(1) COSMOS 2251 DEB
    Time of Closest Approach 2026-09-08T14:46:08+0000
    Collision Probability (Pc) 9.816288E-6
    Conjunction Distance (km) 0.994 km
    Relative Speed (km/s) 3.308 km/s
    Conjunction Risk Parameters R (Radial): -0.351 | I (In-track): 0.91 | C (Cross-track): 0.193
    Collision Risk Index (CRI) 0.55
    X Position (km) -5653.686 -5653.592
    Position Y (km) -3645.025 -3645.03
    Position Z (km) 1968.684 1967.695
    Velocity X (km/s) -2.381 -0.53
    Velocity Y (km/s) -0.195 -2.93
    Velocity Z (km/s) -7.154 -6.967

    Orbital Parameters 国际轨道数据源

    Parameter NANOSAT(1) COSMOS 2251 DEB
    Semimajor Axis (a) 7006.518 km 7070.093 km
    Eccentricity (e) 0.000468 0.008912
    Inclination (i) 98.2394° 73.9938°
    RAAN 30.0712° 40.3763°
    Perigee Argument 40.6189° 177.7122°
    Mean Anomaly (M) 319.5371° 357.5052°
    Apogee 631.663 km 754.967 km
    Perigee 625.099 km 628.945 km
    Orbit Epoch 2026-09-08T07:32:40+0000 2026-09-07T04:17:55+0000

    NANOSAT(1) & COSMOS 2251 DEB Collision Probability (Pc) Trend

    NANOSAT(1) & COSMOS 2251 DEB Collision Probability (Pc) TrendNot Available

    NANOSAT(1) & COSMOS 2251 DEB Miss Distance (Miss Distance) Trend

    NANOSAT(1) & COSMOS 2251 DEB Miss Distance (Miss Distance) TrendNot Available

    NANOSAT(1)Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    COSMOS 2251 DEBMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    NANOSAT(1)Collision Probability Trend

    Object 1 Probability TrendNot Available

    COSMOS 2251 DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with NANOSAT(1)

    No nearby objects data