🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.59 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 953.1

Radius: 11.2

Gravity: 7.6 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.02 AU - 1.34 AU

Year: 828 Days

Day: 14.5 Hours

Environment

Temp: -171 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 51,367,126 km

• M1: 142,118 km (0.119 R)
• M2: 550,819 km (0.042 R)
• M3: 1,046,587 km (0.059 R)
• M4: 1,691,503 km (0.092 R)
• M5: 2,754,546 km (0.104 R)
• M6: 3,332,891 km (0.103 R)
• M7: 3,726,782 km (0.061 R)
• M8: 4,418,822 km (0.106 R)
• M9: 4,932,541 km (0.089 R)
• M10: 6,338,462 km (0.108 R)
• M11: 7,016,589 km (0.115 R)
• M12: 8,332,452 km (0.088 R)
• M13: 8,760,302 km (0.117 R)
• M14: 9,230,937 km (0.097 R)
• M15: 9,660,133 km (0.097 R)
• M16: 10,042,954 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 195.9

Radius: 8.2

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.14 AU - 1.28 AU

Year: 859 Days

Day: 11.7 Hours

Environment

Temp: -175 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 51,367,126 km

• M1: 102,026 km (0.104 R)
• M2: 370,255 km (0.115 R)
• M3: 679,174 km (0.094 R)
• M4: 1,028,186 km (0.098 R)
• M5: 1,679,984 km (0.066 R)
• M6: 1,986,959 km (0.097 R)
• M7: 2,331,333 km (0.054 R)
• M8: 2,633,072 km (0.119 R)
• M9: 3,038,782 km (0.072 R)
• M10: 3,738,152 km (0.079 R)
• M11: 4,181,560 km (0.11 R)
• M12: 4,904,267 km (0.069 R)
• M13: 5,469,597 km (0.08 R)
• M14: 5,988,253 km (0.05 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 141.8

Radius: 10.8

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 1.84 AU - 2.18 AU

Year: 1840 Days

Day: 12.8 Hours

Environment

Temp: -189 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 51,367,126 km

• M1: 134,788 km (0.116 R)
• M2: 538,702 km (0.116 R)
• M3: 1,165,517 km (0.112 R)
• M4: 1,696,290 km (0.061 R)
• M5: 2,165,728 km (0.103 R)
• M6: 3,479,796 km (0.05 R)
• M7: 4,070,708 km (0.092 R)
• M8: 4,590,560 km (0.08 R)
• M9: 5,472,290 km (0.098 R)
• M10: 6,592,479 km (0.105 R)
• M11: 8,772,120 km (0.062 R)
• M12: 9,172,743 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 653.8

Radius: 11.5

Gravity: 4.94 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 2.49 AU - 3.15 AU

Year: 3058 Days

Day: 12.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 51,367,126 km

• M1: 143,016 km (0.079 R)
• M2: 530,025 km (0.035 R)
• M3: 907,610 km (0.115 R)
• M4: 1,292,226 km (0.04 R)
• M5: 1,753,437 km (0.083 R)
• M6: 2,437,697 km (0.094 R)
• M7: 3,066,158 km (0.073 R)
• M8: 4,145,806 km (0.104 R)
• M9: 4,602,229 km (0.094 R)
• M10: 6,013,086 km (0.074 R)
• M11: 6,371,822 km (0.064 R)
• M12: 6,981,733 km (0.075 R)
• M13: 9,083,134 km (0.111 R)
• M14: 9,668,510 km (0.067 R)
• M15: 10,123,737 km (0.071 R)
• M16: 10,553,681 km (0.099 R)
• M17: 11,118,563 km (0.055 R)
• M18: 12,708,788 km (0.097 R)
• M19: 14,009,242 km (0.102 R)
• M20: 14,592,973 km (0.103 R)
• M21: 16,071,000 km (0.093 R)
• M22: 16,495,708 km (0.072 R)
• M23: 19,203,430 km (0.092 R)
• M24: 20,975,865 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 476.4

Radius: 14.1

Gravity: 2.4 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 2.41 AU - 3.75 AU

Year: 3490 Days

Day: 9.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 43.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 51,367,126 km

• M1: 175,329 km (0.114 R)
• M2: 628,760 km (0.114 R)
• M3: 2,167,823 km (0.102 R)
• M4: 2,863,902 km (0.118 R)
• M5: 3,861,271 km (0.1 R)
• M6: 4,617,338 km (0.089 R)
• M7: 5,150,804 km (0.12 R)
• M8: 6,015,031 km (0.115 R)
• M9: 7,870,494 km (0.104 R)
• M10: 9,267,438 km (0.087 R)
• M11: 10,044,300 km (0.084 R)
• M12: 10,585,994 km (0.054 R)
• M13: 12,112,192 km (0.082 R)
• M14: 18,993,993 km (0.119 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 35.1

Radius: 6.9

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 7.01 AU - 10.23 AU

Year: 16341 Days

Day: 18.3 Hours

Environment

Temp: -236 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 51,367,126 km

• M1: 86,468 km (0.112 R)
• M2: 330,462 km (0.093 R)
• M3: 2,928,678 km (0.063 R)
• M4: 6,507,956 km (0.08 R)
• M5: 7,655,671 km (0.12 R)
• M6: 8,348,758 km (0.108 R)
• M7: 8,564,628 km (0.086 R)
• M8: 9,349,568 km (0.045 R)
• M9: 14,883,941 km (0.076 R)
• M10: 24,552,152 km (0.08 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 397.3

Radius: 7.5

Gravity: 7.06 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 8.49 AU - 10.25 AU

Year: 18519 Days

Day: 22.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 51,367,126 km

• M1: 94,396 km (0.103 R)
• M2: 468,241 km (0.117 R)
• M3: 1,126,921 km (0.067 R)
• M4: 1,561,203 km (0.086 R)
• M5: 1,851,872 km (0.098 R)
• M6: 2,438,146 km (0.113 R)
• M7: 2,924,938 km (0.101 R)
• M8: 3,636,275 km (0.104 R)
• M9: 4,552,562 km (0.095 R)
• M10: 5,185,511 km (0.098 R)
• M11: 5,433,095 km (0.112 R)
• M12: 5,688,459 km (0.112 R)
• M13: 5,990,198 km (0.119 R)
• M14: 9,623,631 km (0.075 R)
• M15: 15,577,626 km (0.089 R)
• M16: 15,871,586 km (0.062 R)
• M17: 17,793,769 km (0.12 R)
• M18: 18,277,269 km (0.103 R)
• M19: 19,354,673 km (0.093 R)
• M20: 19,952,167 km (0.068 R)
• M21: 22,465,411 km (0.109 R)
• M22: 23,992,357 km (0.112 R)
• M23: 24,781,336 km (0.1 R)
• M24: 27,571,785 km (0.088 R)
• M25: 30,222,061 km (0.03 R)
• M26: 31,258,176 km (0.088 R)
• M27: 31,491,698 km (0.087 R)
• M28: 35,895,261 km (0.118 R)
• M29: 39,455,391 km (0.097 R)
• M30: 44,706,725 km (0.093 R)
• M31: 45,750,021 km (0.102 R)
• M32: 46,505,041 km (0.085 R)
• M33: 46,962,063 km (0.075 R)
• M34: 53,344,955 km (0.038 R)
• M35: 57,965,734 km (0.063 R)
• M36: 60,102,291 km (0.068 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 205.9

Radius: 7.2

Gravity: 3.97 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 8.97 AU - 10.91 AU

Year: 20235 Days

Day: 24.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 51,367,126 km

• M1: 89,609 km (0.063 R)
• M2: 1,011,730 km (0.045 R)
• M3: 1,866,084 km (0.036 R)
• M4: 2,176,948 km (0.109 R)
• M5: 4,919,676 km (0.086 R)
• M6: 6,122,293 km (0.087 R)
• M7: 8,344,719 km (0.041 R)
• M8: 8,667,401 km (0.055 R)
• M9: 10,945,478 km (0.05 R)
• M10: 11,901,109 km (0.085 R)
• M11: 17,452,536 km (0.113 R)
• M12: 23,499,432 km (0.061 R)
• M13: 24,423,348 km (0.098 R)
• M14: 27,038,918 km (0.044 R)
• M15: 28,987,579 km (0.103 R)
• M16: 30,590,670 km (0.115 R)
• M17: 31,803,161 km (0.09 R)
• M18: 34,441,469 km (0.031 R)
• M19: 37,595,590 km (0.111 R)
• M20: 45,173,770 km (0.053 R)
• M21: 48,351,528 km (0.111 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 206 - 19,849 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit