🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 65.9

Radius: 13

Gravity: 0.39 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.75 AU - 1.09 AU

Year: 579 Days

Day: 9.9 Hours

Environment

Temp: -159 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 61,544,947 km

• M1: 161,715 km (0.114 R)
• M2: 746,493 km (0.077 R)
• M3: 1,318,406 km (0.106 R)
• M4: 1,847,235 km (0.114 R)
• M5: 2,635,017 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 825.7

Radius: 11.7

Gravity: 6.03 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.79 AU - 1.27 AU

Year: 686 Days

Day: 9.5 Hours

Environment

Temp: -152 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 61,544,947 km

• M1: 145,559 km (0.104 R)
• M2: 518,207 km (0.095 R)
• M3: 1,319,902 km (0.056 R)
• M4: 2,672,267 km (0.083 R)
• M5: 3,216,354 km (0.12 R)
• M6: 3,965,840 km (0.114 R)
• M7: 4,544,335 km (0.105 R)
• M8: 5,377,894 km (0.087 R)
• M9: 5,870,520 km (0.102 R)
• M10: 7,325,509 km (0.039 R)
• M11: 7,979,999 km (0.034 R)
• M12: 8,346,514 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 119.6

Radius: 10.9

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 1.31 AU - 2.09 AU

Year: 1454 Days

Day: 8.9 Hours

Environment

Temp: -177 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 61,544,947 km

• M1: 135,536 km (0.062 R)
• M2: 522,097 km (0.093 R)
• M3: 1,105,977 km (0.118 R)
• M4: 2,738,389 km (0.108 R)
• M5: 3,468,576 km (0.104 R)
• M6: 3,929,338 km (0.108 R)
• M7: 4,293,908 km (0.099 R)
• M8: 5,688,459 km (0.102 R)
• M9: 6,980,386 km (0.06 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 59.3

Radius: 11.9

Gravity: 0.42 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 3.02 AU - 3.32 AU

Year: 3703 Days

Day: 12.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 61,544,947 km

• M1: 149,598 km (0.086 R)
• M2: 924,515 km (0.111 R)
• M3: 1,488,050 km (0.061 R)
• M4: 2,806,456 km (0.054 R)
• M5: 3,524,376 km (0.114 R)
• M6: 4,625,716 km (0.092 R)
• M7: 5,837,459 km (0.033 R)
• M8: 7,598,674 km (0.086 R)
• M9: 9,870,168 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 713.7

Radius: 8.6

Gravity: 9.65 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 3.17 AU - 3.67 AU

Year: 4149 Days

Day: 12.8 Hours

Environment

Temp: -215 °C

Axial Tilt: 59.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 61,544,947 km

• M1: 107,561 km (0.047 R)
• M2: 447,597 km (0.109 R)
• M3: 770,429 km (0.077 R)
• M4: 1,165,218 km (0.097 R)
• M5: 1,470,846 km (0.034 R)
• M6: 2,710,713 km (0.069 R)
• M7: 3,452,420 km (0.078 R)
• M8: 4,092,848 km (0.119 R)
• M9: 5,014,969 km (0.063 R)
• M10: 8,060,782 km (0.098 R)
• M11: 9,825,289 km (0.075 R)
• M12: 10,929,321 km (0.036 R)
• M13: 11,786,816 km (0.105 R)
• M14: 12,446,992 km (0.113 R)
• M15: 15,557,879 km (0.046 R)
• M16: 16,700,508 km (0.111 R)
• M17: 17,292,467 km (0.115 R)
• M18: 18,206,360 km (0.107 R)
• M19: 18,706,765 km (0.108 R)
• M20: 20,263,181 km (0.114 R)
• M21: 20,665,450 km (0.118 R)
• M22: 21,624,671 km (0.094 R)
• M23: 22,973,595 km (0.111 R)
• M24: 24,604,511 km (0.057 R)
• M25: 27,031,737 km (0.034 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 375.6

Radius: 14.6

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 3.58 AU - 3.86 AU

Year: 4707 Days

Day: 10.1 Hours

Environment

Temp: -214 °C

Axial Tilt: 48.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 61,544,947 km

• M1: 181,612 km (0.037 R)
• M2: 666,159 km (0.082 R)
• M3: 1,123,929 km (0.088 R)
• M4: 1,600,548 km (0.049 R)
• M5: 2,936,157 km (0.091 R)
• M6: 4,208,786 km (0.112 R)
• M7: 5,555,018 km (0.094 R)
• M8: 7,853,290 km (0.037 R)
• M9: 8,901,223 km (0.032 R)
• M10: 10,040,560 km (0.109 R)
• M11: 10,894,465 km (0.106 R)
• M12: 12,197,762 km (0.096 R)
• M13: 13,217,869 km (0.117 R)
• M14: 14,244,111 km (0.036 R)
• M15: 15,375,370 km (0.06 R)
• M16: 16,290,011 km (0.078 R)
• M17: 16,957,218 km (0.092 R)
• M18: 18,465,613 km (0.099 R)
• M19: 19,375,617 km (0.059 R)
• M20: 22,763,261 km (0.073 R)
• M21: 23,457,395 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 203.4

Radius: 7

Gravity: 4.15 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 6.77 AU - 7.21 AU

Year: 12123 Days

Day: 15.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 61,544,947 km

• M1: 87,066 km (0.094 R)
• M2: 351,854 km (0.089 R)
• M3: 569,968 km (0.061 R)
• M4: 825,032 km (0.105 R)
• M5: 1,231,639 km (0.106 R)
• M6: 1,765,255 km (0.107 R)
• M7: 2,271,943 km (0.109 R)
• M8: 2,910,875 km (0.12 R)
• M9: 4,048,418 km (0.059 R)
• M10: 5,486,951 km (0.105 R)
• M11: 5,830,278 km (0.1 R)
• M12: 6,388,876 km (0.112 R)
• M13: 6,698,693 km (0.094 R)
• M14: 8,565,226 km (0.117 R)
• M15: 9,462,215 km (0.075 R)
• M16: 10,279,618 km (0.119 R)
• M17: 12,002,536 km (0.119 R)
• M18: 17,101,879 km (0.112 R)
• M19: 17,902,377 km (0.084 R)
• M20: 18,243,161 km (0.055 R)
• M21: 19,008,354 km (0.069 R)
• M22: 20,528,119 km (0.118 R)
• M23: 21,355,694 km (0.113 R)
• M24: 22,049,081 km (0.033 R)
• M25: 28,423,296 km (0.067 R)
• M26: 29,640,125 km (0.097 R)
• M27: 31,778,028 km (0.094 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 779.8

Radius: 5.8

Gravity: 23.18 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 6.08 AU - 9.04 AU

Year: 13636 Days

Day: 17.9 Hours

Environment

Temp: -235 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 61,544,947 km

• M1: 73,004 km (0.087 R)
• M2: 275,410 km (0.051 R)
• M3: 507,286 km (0.099 R)
• M4: 717,771 km (0.096 R)
• M5: 965,205 km (0.069 R)
• M6: 1,322,894 km (0.029 R)
• M7: 1,510,191 km (0.065 R)
• M8: 1,731,895 km (0.114 R)
• M9: 3,012,452 km (0.092 R)
• M10: 4,065,771 km (0.084 R)
• M11: 5,132,105 km (0.054 R)
• M12: 5,711,198 km (0.119 R)
• M13: 8,967,495 km (0.086 R)
• M14: 12,066,265 km (0.102 R)
• M15: 13,888,517 km (0.09 R)
• M16: 20,266,472 km (0.084 R)
• M17: 21,429,596 km (0.047 R)
• M18: 23,208,464 km (0.097 R)
• M19: 24,282,128 km (0.076 R)
• M20: 26,005,944 km (0.086 R)
• M21: 30,036,709 km (0.09 R)
• M22: 31,428,269 km (0.077 R)
• M23: 32,499,838 km (0.065 R)
• M24: 47,009,784 km (0.065 R)
• M25: 48,096,463 km (0.073 R)
• M26: 52,114,363 km (0.075 R)
• M27: 57,400,105 km (0.119 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 280 - 15,646 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit