🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 95.2

Radius: 9.9

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.52 AU - 0.82 AU

Year: 379 Days

Day: 5.6 Hours

Environment

Temp: -158 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 72,837,766 km

• M1: 125,213 km (0.114 R)
• M2: 637,137 km (0.049 R)
• M3: 1,181,374 km (0.119 R)
• M4: 2,275,683 km (0.094 R)
• M5: 2,767,261 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 322.3

Radius: 12.6

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.95 AU - 1.51 AU

Year: 942 Days

Day: 9.9 Hours

Environment

Temp: -192 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 72,837,766 km

• M1: 164,707 km (0.079 R)
• M2: 685,308 km (0.087 R)
• M3: 1,741,020 km (0.113 R)
• M4: 2,597,169 km (0.096 R)
• M5: 3,983,791 km (0.113 R)
• M6: 4,733,875 km (0.057 R)
• M7: 5,966,711 km (0.112 R)
• M8: 7,648,341 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 952.7

Radius: 14.9

Gravity: 4.29 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 3.44 AU - 4.78 AU

Year: 5751 Days

Day: 7.2 Hours

Environment

Temp: -213 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 72,837,766 km

• M1: 185,950 km (0.108 R)
• M2: 663,167 km (0.086 R)
• M3: 1,140,085 km (0.101 R)
• M4: 1,723,667 km (0.027 R)
• M5: 2,685,880 km (0.046 R)
• M6: 4,206,393 km (0.033 R)
• M7: 6,445,424 km (0.104 R)
• M8: 7,148,235 km (0.116 R)
• M9: 10,531,540 km (0.087 R)
• M10: 13,196,477 km (0.104 R)
• M11: 14,864,044 km (0.072 R)
• M12: 15,904,946 km (0.077 R)
• M13: 23,849,341 km (0.112 R)
• M14: 27,747,563 km (0.077 R)
• M15: 31,453,850 km (0.098 R)
• M16: 32,454,959 km (0.036 R)
• M17: 32,963,292 km (0.094 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 157.5

Radius: 6.2

Gravity: 4.1 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 5.08 AU - 7.58 AU

Year: 10993 Days

Day: 18 Hours

Environment

Temp: -230 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 72,837,766 km

• M1: 77,342 km (0.098 R)
• M2: 357,838 km (0.077 R)
• M3: 3,614,733 km (0.085 R)
• M4: 4,413,736 km (0.078 R)
• M5: 6,039,715 km (0.087 R)
• M6: 6,420,142 km (0.062 R)
• M7: 7,124,449 km (0.092 R)
• M8: 7,621,712 km (0.075 R)
• M9: 9,006,540 km (0.104 R)
• M10: 12,465,991 km (0.052 R)
• M11: 14,544,503 km (0.099 R)
• M12: 21,557,951 km (0.083 R)
• M13: 22,596,010 km (0.084 R)
• M14: 25,254,963 km (0.102 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 344.8

Radius: 6.3

Gravity: 8.69 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 6.48 AU - 8.58 AU

Year: 14263 Days

Day: 16.1 Hours

Environment

Temp: -234 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 72,837,766 km

• M1: 103,073 km (0.063 R)
• M2: 373,995 km (0.099 R)
• M3: 728,542 km (0.042 R)
• M4: 1,038,359 km (0.095 R)
• M5: 1,242,560 km (0.026 R)
• M6: 1,673,701 km (0.116 R)
• M7: 3,188,529 km (0.111 R)
• M8: 3,601,120 km (0.108 R)
• M9: 4,562,137 km (0.048 R)
• M10: 4,928,053 km (0.098 R)
• M11: 6,514,389 km (0.12 R)
• M12: 7,929,585 km (0.03 R)
• M13: 9,152,847 km (0.103 R)
• M14: 10,393,162 km (0.042 R)
• M15: 10,865,892 km (0.082 R)
• M16: 11,189,023 km (0.11 R)
• M17: 13,081,735 km (0.058 R)
• M18: 14,520,568 km (0.066 R)
• M19: 16,693,776 km (0.105 R)
• M20: 17,857,647 km (0.092 R)
• M21: 18,535,625 km (0.085 R)
• M22: 19,387,286 km (0.086 R)
• M23: 20,754,610 km (0.107 R)
• M24: 21,842,486 km (0.088 R)
• M25: 22,617,702 km (0.106 R)
• M26: 24,589,552 km (0.057 R)
• M27: 25,146,654 km (0.093 R)
• M28: 26,868,376 km (0.08 R)
• M29: 27,658,103 km (0.11 R)
• M30: 29,284,082 km (0.097 R)
• M31: 30,544,594 km (0.048 R)
• M32: 31,950,515 km (0.105 R)
• M33: 34,196,876 km (0.09 R)
• M34: 34,658,386 km (0.038 R)
• M35: 41,826,368 km (0.064 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 416.1

Radius: 4.1

Gravity: 24.75 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 7.97 AU - 8.89 AU

Year: 16895 Days

Day: 20.9 Hours

Environment

Temp: -238 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 72,837,766 km

• M1: 51,013 km (0.091 R)
• M2: 215,720 km (0.096 R)
• M3: 539,450 km (0.05 R)
• M4: 1,004,998 km (0.073 R)
• M5: 1,170,903 km (0.071 R)
• M6: 1,699,432 km (0.081 R)
• M7: 1,918,593 km (0.114 R)
• M8: 2,252,944 km (0.067 R)
• M9: 2,434,107 km (0.113 R)
• M10: 3,516,597 km (0.095 R)
• M11: 4,498,857 km (0.075 R)
• M12: 5,120,885 km (0.093 R)
• M13: 5,470,345 km (0.107 R)
• M14: 5,724,363 km (0.117 R)
• M15: 6,696,150 km (0.072 R)
• M16: 9,010,130 km (0.11 R)
• M17: 10,318,064 km (0.07 R)
• M18: 13,045,832 km (0.076 R)
• M19: 13,303,589 km (0.048 R)
• M20: 18,301,355 km (0.092 R)
• M21: 19,869,589 km (0.11 R)
• M22: 20,555,944 km (0.082 R)
• M23: 22,616,954 km (0.085 R)
• M24: 22,802,306 km (0.098 R)
• M25: 23,082,503 km (0.096 R)
• M26: 24,322,819 km (0.107 R)
• M27: 26,935,695 km (0.064 R)
• M28: 27,353,522 km (0.079 R)
• M29: 30,063,786 km (0.091 R)
• M30: 30,288,034 km (0.107 R)
• M31: 31,657,153 km (0.074 R)
• M32: 32,239,538 km (0.026 R)
• M33: 37,287,419 km (0.071 R)
• M34: 40,201,436 km (0.104 R)
• M35: 44,559,970 km (0.058 R)
• M36: 47,078,749 km (0.118 R)
• M37: 52,397,851 km (0.1 R)
• M38: 52,560,165 km (0.1 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 495.5

Radius: 4

Gravity: 30.97 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 8.83 AU - 11.29 AU

Year: 22025 Days

Day: 17.9 Hours

Environment

Temp: -236 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 72,837,766 km

• M1: 49,816 km (0.054 R)
• M2: 198,816 km (0.105 R)
• M3: 481,406 km (0.055 R)
• M4: 1,094,159 km (0.115 R)
• M5: 1,956,591 km (0.069 R)
• M6: 2,368,433 km (0.105 R)
• M7: 3,117,320 km (0.078 R)
• M8: 3,618,324 km (0.053 R)
• M9: 3,766,725 km (0.11 R)
• M10: 4,139,074 km (0.049 R)
• M11: 4,367,510 km (0.115 R)
• M12: 4,743,150 km (0.095 R)
• M13: 4,921,022 km (0.1 R)
• M14: 5,558,907 km (0.042 R)
• M15: 7,321,021 km (0.114 R)
• M16: 7,558,732 km (0.037 R)
• M17: 8,405,156 km (0.057 R)
• M18: 13,815,363 km (0.104 R)
• M19: 14,105,134 km (0.087 R)
• M20: 15,615,325 km (0.103 R)
• M21: 16,816,147 km (0.054 R)
• M22: 20,410,535 km (0.115 R)
• M23: 20,786,325 km (0.103 R)
• M24: 28,598,924 km (0.092 R)
• M25: 30,268,436 km (0.106 R)
• M26: 32,128,237 km (0.06 R)
• M27: 34,991,540 km (0.12 R)
• M28: 39,743,816 km (0.09 R)
• M29: 40,921,301 km (0.057 R)
• M30: 44,435,953 km (0.093 R)
• M31: 49,991,719 km (0.06 R)
• M32: 53,822,920 km (0.109 R)
• M33: 62,456,363 km (0.094 R)
• M34: 62,653,683 km (0.091 R)
• M35: 63,049,519 km (0.118 R)
• M36: 65,662,993 km (0.1 R)
• M37: 70,890,093 km (0.07 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: 301 - 17,869 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit