🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.33

Radius: 0.64

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.67 AU - 1.01 AU

Year: 286 Days

Day: 33.5 Hours

Environment

Temp: 128 °C

Axial Tilt: 4.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.23 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.53

Radius: 0.78

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 1.15 AU - 1.31 AU

Year: 506 Days

Day: 46.4 Hours

Environment

Temp: -18 °C

Axial Tilt: 7.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.52

Radius: 1.45

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 1.38 AU - 1.4 AU

Year: 608 Days

Day: 15.1 Hours

Environment

Temp: -37 °C

Axial Tilt: 39.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 64,879,827 km

• M1: 34,258 km (0.085 R)
• M2: 742,305 km (0.087 R)

Asteroid Belt

Center: 3.03 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 4.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 393.9

Radius: 12.6

Gravity: 2.48 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 4.17 AU - 5.17 AU

Year: 3743 Days

Day: 13.2 Hours

Environment

Temp: -135 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 64,879,827 km

• M1: 156,779 km (0.07 R)
• M2: 632,201 km (0.056 R)
• M3: 1,029,981 km (0.079 R)
• M4: 1,442,123 km (0.096 R)
• M5: 1,930,710 km (0.096 R)
• M6: 2,515,039 km (0.104 R)
• M7: 3,045,364 km (0.077 R)
• M8: 3,881,766 km (0.111 R)
• M9: 4,774,117 km (0.112 R)
• M10: 5,517,020 km (0.062 R)
• M11: 6,788,901 km (0.091 R)
• M12: 8,515,410 km (0.093 R)
• M13: 9,174,987 km (0.111 R)
• M14: 11,360,163 km (0.114 R)
• M15: 15,283,517 km (0.068 R)
• M16: 16,734,766 km (0.108 R)
• M17: 17,604,229 km (0.092 R)
• M18: 19,374,420 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 598

Radius: 13.9

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 4.24 AU - 6.78 AU

Year: 4797 Days

Day: 6.3 Hours

Environment

Temp: -139 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 64,879,827 km

• M1: 191,934 km (0.066 R)
• M2: 651,948 km (0.079 R)
• M3: 1,095,655 km (0.064 R)
• M4: 1,958,386 km (0.058 R)
• M5: 2,406,431 km (0.097 R)
• M6: 3,702,099 km (0.118 R)
• M7: 4,565,877 km (0.029 R)
• M8: 5,394,050 km (0.111 R)
• M9: 7,016,739 km (0.081 R)
• M10: 8,563,581 km (0.086 R)
• M11: 11,340,865 km (0.104 R)
• M12: 13,159,078 km (0.12 R)
• M13: 13,616,697 km (0.12 R)
• M14: 15,611,286 km (0.046 R)
• M15: 16,826,619 km (0.117 R)
• M16: 19,445,180 km (0.103 R)
• M17: 19,906,540 km (0.067 R)
• M18: 20,375,380 km (0.09 R)
• M19: 23,123,492 km (0.032 R)
• M20: 24,471,668 km (0.037 R)
• M21: 25,399,175 km (0.06 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 699.7

Radius: 12

Gravity: 4.86 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 6 AU - 7.52 AU

Year: 6518 Days

Day: 12.6 Hours

Environment

Temp: -162 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 64,879,827 km

• M1: 151,543 km (0.04 R)
• M2: 555,457 km (0.064 R)
• M3: 985,850 km (0.065 R)
• M4: 1,594,863 km (0.043 R)
• M5: 2,622,002 km (0.104 R)
• M6: 3,576,137 km (0.064 R)
• M7: 5,408,861 km (0.119 R)
• M8: 5,808,586 km (0.085 R)
• M9: 6,633,170 km (0.088 R)
• M10: 7,571,896 km (0.032 R)
• M11: 7,955,764 km (0.064 R)
• M12: 10,586,892 km (0.101 R)
• M13: 12,125,356 km (0.058 R)
• M14: 14,382,788 km (0.081 R)
• M15: 15,274,541 km (0.049 R)
• M16: 16,139,815 km (0.103 R)
• M17: 20,442,998 km (0.108 R)
• M18: 21,570,218 km (0.111 R)
• M19: 22,659,141 km (0.075 R)
• M20: 26,760,366 km (0.113 R)
• M21: 29,313,404 km (0.093 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 863.4

Radius: 9.1

Gravity: 10.43 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 8.49 AU - 9.59 AU

Year: 10080 Days

Day: 12 Hours

Environment

Temp: -179 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 64,879,827 km

• M1: 113,246 km (0.107 R)
• M2: 522,545 km (0.104 R)
• M3: 867,668 km (0.076 R)
• M4: 1,393,055 km (0.045 R)
• M5: 1,962,874 km (0.026 R)
• M6: 2,940,795 km (0.116 R)
• M7: 3,906,599 km (0.118 R)
• M8: 4,388,454 km (0.061 R)
• M9: 5,301,749 km (0.065 R)
• M10: 7,543,473 km (0.118 R)
• M11: 10,618,606 km (0.116 R)
• M12: 12,313,102 km (0.119 R)
• M13: 16,807,620 km (0.093 R)
• M14: 18,081,595 km (0.092 R)
• M15: 18,939,689 km (0.061 R)
• M16: 19,988,370 km (0.108 R)
• M17: 25,046,723 km (0.088 R)
• M18: 34,670,653 km (0.09 R)
• M19: 45,068,303 km (0.095 R)
• M20: 49,599,473 km (0.112 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 508.4

Radius: 4.3

Gravity: 27.5 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 14.21 AU - 15.93 AU

Year: 21696 Days

Day: 23.3 Hours

Environment

Temp: -202 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 64,879,827 km

• M1: 54,154 km (0.118 R)
• M2: 220,657 km (0.115 R)
• M3: 679,623 km (0.103 R)
• M4: 1,202,767 km (0.067 R)
• M5: 2,548,400 km (0.116 R)
• M6: 3,305,066 km (0.034 R)
• M7: 4,532,666 km (0.069 R)
• M8: 5,912,856 km (0.09 R)
• M9: 8,040,886 km (0.099 R)
• M10: 13,231,483 km (0.104 R)
• M11: 20,853,195 km (0.089 R)
• M12: 21,620,034 km (0.078 R)
• M13: 22,804,999 km (0.101 R)
• M14: 23,006,657 km (0.077 R)
• M15: 24,981,947 km (0.064 R)
• M16: 25,846,473 km (0.097 R)
• M17: 27,407,078 km (0.093 R)
• M18: 27,979,290 km (0.058 R)
• M19: 32,209,768 km (0.078 R)
• M20: 34,146,462 km (0.053 R)
• M21: 35,210,402 km (0.083 R)
• M22: 35,615,064 km (0.076 R)
• M23: 40,272,495 km (0.07 R)
• M24: 41,309,956 km (0.049 R)
• M25: 41,609,750 km (0.116 R)
• M26: 43,593,119 km (0.069 R)
• M27: 59,079,939 km (0.116 R)
• M28: 66,795,748 km (0.049 R)
• M29: 67,623,025 km (0.104 R)
• M30: 68,876,954 km (0.1 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 309.6

Radius: 4.9

Gravity: 12.89 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 13.5 AU - 18.22 AU

Year: 23424 Days

Day: 19.8 Hours

Environment

Temp: -200 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 64,879,827 km

• M1: 84,074 km (0.116 R)
• M2: 414,386 km (0.049 R)
• M3: 979,567 km (0.032 R)
• M4: 2,985,375 km (0.065 R)
• M5: 3,561,776 km (0.103 R)
• M6: 3,876,380 km (0.065 R)
• M7: 4,528,328 km (0.111 R)
• M8: 4,863,277 km (0.083 R)
• M9: 6,166,574 km (0.032 R)
• M10: 11,628,093 km (0.076 R)
• M11: 13,922,326 km (0.109 R)
• M12: 15,885,798 km (0.101 R)
• M13: 24,053,393 km (0.027 R)
• M14: 24,558,136 km (0.05 R)
• M15: 24,864,363 km (0.038 R)
• M16: 25,173,133 km (0.09 R)
• M17: 27,297,123 km (0.083 R)
• M18: 27,735,894 km (0.09 R)
• M19: 28,068,001 km (0.094 R)
• M20: 28,627,348 km (0.094 R)
• M21: 33,123,961 km (0.089 R)
• M22: 43,633,510 km (0.045 R)
• M23: 44,990,363 km (0.116 R)
• M24: 47,787,993 km (0.095 R)
• M25: 53,214,057 km (0.067 R)
• M26: 54,762,096 km (0.095 R)
• M27: 62,764,235 km (0.091 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 431 - 16,917 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit