🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.52

Radius: 0.77

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.46 AU - 0.58 AU

Year: 144 Days

Day: 35.3 Hours

Environment

Temp: 192 °C

Axial Tilt: 31.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.92

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 1.06 AU - 1.72 AU

Year: 627 Days

Day: 41.1 Hours

Environment

Temp: -55 °C

Axial Tilt: 8.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 30,344,790 km

• M1: 1,414,149 km (0.101 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.42 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.58

Radius: 1.46

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 2.61 AU - 4.23 AU

Year: 2422 Days

Day: 36.3 Hours

Environment

Temp: -124 °C

Axial Tilt: 12.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.68 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Terrestrial

Semi-Major Axis: 3.94 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.52

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 3.04 AU - 4.84 AU

Year: 2994 Days

Day: 14.5 Hours

Environment

Temp: -135 °C

Axial Tilt: 7.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 30,344,790 km

• M1: 1,858,604 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 987.8

Radius: 13.8

Gravity: 5.19 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 5.99 AU - 6.23 AU

Year: 5783 Days

Day: 13.3 Hours

Environment

Temp: -153 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 30,344,790 km

• M1: 171,589 km (0.069 R)
• M2: 663,467 km (0.089 R)
• M3: 1,275,471 km (0.062 R)
• M4: 2,584,303 km (0.102 R)
• M5: 3,626,851 km (0.115 R)
• M6: 4,081,180 km (0.119 R)
• M7: 5,773,580 km (0.115 R)
• M8: 6,329,037 km (0.107 R)
• M9: 7,173,966 km (0.056 R)
• M10: 8,375,386 km (0.068 R)
• M11: 12,463,148 km (0.074 R)
• M12: 15,395,117 km (0.104 R)
• M13: 19,617,517 km (0.091 R)
• M14: 20,203,791 km (0.103 R)
• M15: 24,725,386 km (0.043 R)
• M16: 26,816,466 km (0.026 R)
• M17: 35,064,993 km (0.105 R)
• M18: 35,495,386 km (0.099 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 632.5

Radius: 10.1

Gravity: 6.2 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 5.93 AU - 7.95 AU

Year: 7000 Days

Day: 13.1 Hours

Environment

Temp: -166 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 30,344,790 km

• M1: 126,111 km (0.083 R)
• M2: 516,113 km (0.09 R)
• M3: 1,048,083 km (0.104 R)
• M4: 1,479,822 km (0.115 R)
• M5: 1,983,219 km (0.118 R)
• M6: 2,368,583 km (0.118 R)
• M7: 2,690,368 km (0.079 R)
• M8: 3,041,325 km (0.11 R)
• M9: 3,489,819 km (0.097 R)
• M10: 3,836,737 km (0.094 R)
• M11: 4,600,583 km (0.111 R)
• M12: 5,163,969 km (0.095 R)
• M13: 6,497,185 km (0.051 R)
• M14: 7,280,928 km (0.111 R)
• M15: 8,490,577 km (0.098 R)
• M16: 9,920,583 km (0.07 R)
• M17: 10,383,887 km (0.087 R)
• M18: 11,707,679 km (0.096 R)
• M19: 13,140,677 km (0.065 R)
• M20: 14,275,078 km (0.086 R)
• M21: 15,596,924 km (0.116 R)
• M22: 16,097,329 km (0.096 R)
• M23: 16,479,552 km (0.074 R)
• M24: 17,064,480 km (0.072 R)
• M25: 17,461,961 km (0.097 R)
• M26: 19,614,974 km (0.09 R)
• M27: 22,886,679 km (0.097 R)
• M28: 23,370,329 km (0.12 R)
• M29: 25,718,268 km (0.105 R)
• M30: 26,860,148 km (0.079 R)
• M31: 28,127,242 km (0.094 R)
• M32: 29,150,491 km (0.051 R)
• M33: 30,101,934 km (0.071 R)
• M34: 35,925,330 km (0.106 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 897.5

Radius: 11.3

Gravity: 7.03 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 5.78 AU - 8.92 AU

Year: 7630 Days

Day: 5.1 Hours

Environment

Temp: -174 °C

Axial Tilt: 107.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 30,344,790 km

• M1: 140,772 km (0.065 R)
• M2: 1,216,231 km (0.061 R)
• M3: 1,723,667 km (0.114 R)
• M4: 2,194,302 km (0.073 R)
• M5: 2,573,831 km (0.084 R)
• M6: 3,611,293 km (0.025 R)
• M7: 5,729,299 km (0.114 R)
• M8: 6,138,001 km (0.098 R)
• M9: 8,790,670 km (0.051 R)
• M10: 9,197,576 km (0.042 R)
• M11: 11,691,672 km (0.062 R)
• M12: 13,447,053 km (0.085 R)
• M13: 14,481,074 km (0.104 R)
• M14: 15,049,546 km (0.053 R)
• M15: 16,775,905 km (0.098 R)
• M16: 23,946,430 km (0.047 R)
• M17: 25,463,652 km (0.07 R)
• M18: 27,329,437 km (0.103 R)
• M19: 27,713,305 km (0.11 R)
• M20: 29,485,292 km (0.104 R)
• M21: 32,712,267 km (0.057 R)
• M22: 34,802,449 km (0.066 R)
• M23: 35,594,420 km (0.089 R)
• M24: 36,398,508 km (0.091 R)
• M25: 42,497,464 km (0.086 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 387.6

Radius: 12

Gravity: 2.69 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 8.05 AU - 9.79 AU

Year: 10200 Days

Day: 13.2 Hours

Environment

Temp: -173 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 30,344,790 km

• M1: 149,299 km (0.097 R)
• M2: 623,674 km (0.093 R)
• M3: 1,105,379 km (0.104 R)
• M4: 1,497,923 km (0.062 R)
• M5: 2,047,845 km (0.052 R)
• M6: 2,541,817 km (0.104 R)
• M7: 2,927,930 km (0.098 R)
• M8: 4,199,511 km (0.077 R)
• M9: 5,212,588 km (0.098 R)
• M10: 6,991,606 km (0.11 R)
• M11: 7,600,619 km (0.048 R)
• M12: 11,396,515 km (0.089 R)
• M13: 12,026,173 km (0.099 R)
• M14: 13,126,914 km (0.077 R)
• M15: 15,150,674 km (0.111 R)
• M16: 24,041,724 km (0.106 R)
• M17: 30,710,049 km (0.109 R)
• M18: 31,315,921 km (0.094 R)
• M19: 39,339,154 km (0.097 R)

Planet 9 - Gas Giant

Semi-Major Axis: 9.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 128.3

Radius: 8.8

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 8.35 AU - 11.13 AU

Year: 11639 Days

Day: 9.1 Hours

Environment

Temp: -171 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 30,344,790 km

• M1: 109,506 km (0.065 R)
• M2: 440,267 km (0.072 R)
• M3: 1,246,150 km (0.096 R)
• M4: 1,628,522 km (0.095 R)
• M5: 2,632,623 km (0.067 R)
• M6: 2,938,701 km (0.104 R)
• M7: 4,049,764 km (0.074 R)
• M8: 4,509,628 km (0.115 R)
• M9: 5,194,936 km (0.102 R)
• M10: 7,778,192 km (0.091 R)
• M11: 14,074,916 km (0.098 R)
• M12: 16,780,244 km (0.087 R)
• M13: 18,546,994 km (0.106 R)
• M14: 21,858,493 km (0.069 R)
• M15: 24,586,709 km (0.072 R)
• M16: 25,787,681 km (0.119 R)
• M17: 26,361,239 km (0.1 R)
• M18: 26,776,224 km (0.077 R)
• M19: 28,133,376 km (0.114 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 243 - 18,053 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit