🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 779

Radius: 12.4

Gravity: 5.07 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.75 AU - 0.79 AU

Year: 451 Days

Day: 13 Hours

Environment

Temp: -171 °C

Axial Tilt: 46.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 86,028,228 km

• M1: 154,235 km (0.076 R)
• M2: 540,946 km (0.089 R)
• M3: 1,251,386 km (0.117 R)
• M4: 1,641,537 km (0.043 R)
• M5: 2,648,780 km (0.108 R)
• M6: 3,224,881 km (0.083 R)
• M7: 4,085,667 km (0.117 R)
• M8: 5,304,441 km (0.085 R)
• M9: 5,760,565 km (0.092 R)
• M10: 6,261,269 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 398.7

Radius: 14.4

Gravity: 1.92 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 0.95 AU - 1.11 AU

Year: 697 Days

Day: 9.6 Hours

Environment

Temp: -171 °C

Axial Tilt: 41.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 86,028,228 km

• M1: 179,069 km (0.088 R)
• M2: 714,779 km (0.06 R)
• M3: 1,241,513 km (0.078 R)
• M4: 1,991,447 km (0.042 R)
• M5: 2,693,958 km (0.081 R)
• M6: 3,383,754 km (0.072 R)
• M7: 4,509,927 km (0.103 R)
• M8: 5,695,640 km (0.082 R)
• M9: 6,258,427 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 403.1

Radius: 9.1

Gravity: 4.87 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 2.82 AU - 3.44 AU

Year: 3693 Days

Day: 12.1 Hours

Environment

Temp: -219 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 86,028,228 km

• M1: 113,246 km (0.107 R)
• M2: 554,859 km (0.106 R)
• M3: 886,218 km (0.085 R)
• M4: 1,949,559 km (0.107 R)
• M5: 3,423,398 km (0.1 R)
• M6: 5,630,565 km (0.084 R)
• M7: 8,177,917 km (0.025 R)
• M8: 9,983,713 km (0.12 R)
• M9: 12,213,170 km (0.091 R)
• M10: 14,413,755 km (0.089 R)
• M11: 19,703,386 km (0.108 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 774.9

Radius: 3.9

Gravity: 50.95 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 5.15 AU - 8.43 AU

Year: 11799 Days

Day: 19.5 Hours

Environment

Temp: -234 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 86,028,228 km

• M1: 74,949 km (0.118 R)
• M2: 236,514 km (0.077 R)
• M3: 442,810 km (0.119 R)
• M4: 1,120,937 km (0.09 R)
• M5: 1,464,414 km (0.044 R)
• M6: 1,840,203 km (0.1 R)
• M7: 3,404,698 km (0.11 R)
• M8: 3,722,444 km (0.092 R)
• M9: 5,471,841 km (0.101 R)
• M10: 6,133,812 km (0.108 R)
• M11: 7,309,950 km (0.064 R)
• M12: 11,608,645 km (0.09 R)
• M13: 12,083,618 km (0.076 R)
• M14: 13,135,890 km (0.062 R)
• M15: 13,980,669 km (0.066 R)
• M16: 17,800,950 km (0.078 R)
• M17: 19,159,897 km (0.093 R)
• M18: 20,244,481 km (0.101 R)
• M19: 24,411,081 km (0.041 R)
• M20: 37,760,597 km (0.045 R)
• M21: 42,036,104 km (0.103 R)
• M22: 52,811,788 km (0.103 R)
• M23: 55,433,042 km (0.098 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 423.3

Radius: 8

Gravity: 6.61 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 6.22 AU - 9.64 AU

Year: 14892 Days

Day: 22.9 Hours

Environment

Temp: -238 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 86,028,228 km

• M1: 119,379 km (0.112 R)
• M2: 524,640 km (0.078 R)
• M3: 970,292 km (0.088 R)
• M4: 2,133,415 km (0.045 R)
• M5: 2,857,319 km (0.081 R)
• M6: 6,782,169 km (0.053 R)
• M7: 9,332,364 km (0.054 R)
• M8: 13,770,634 km (0.04 R)
• M9: 14,559,164 km (0.094 R)
• M10: 15,447,027 km (0.104 R)
• M11: 21,721,162 km (0.084 R)
• M12: 25,609,959 km (0.1 R)
• M13: 29,939,171 km (0.079 R)
• M14: 31,484,218 km (0.106 R)
• M15: 32,162,495 km (0.103 R)
• M16: 34,732,586 km (0.076 R)
• M17: 40,013,391 km (0.112 R)
• M18: 41,076,583 km (0.057 R)
• M19: 48,900,851 km (0.115 R)
• M20: 49,202,740 km (0.077 R)
• M21: 52,764,067 km (0.066 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 754.1

Radius: 5.2

Gravity: 27.89 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 9.29 AU - 11.85 AU

Year: 22916 Days

Day: 18.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 86,028,228 km

• M1: 76,744 km (0.091 R)
• M2: 290,519 km (0.079 R)
• M3: 479,611 km (0.031 R)
• M4: 1,872,068 km (0.076 R)
• M5: 3,878,175 km (0.111 R)
• M6: 9,046,782 km (0.114 R)
• M7: 11,070,093 km (0.072 R)
• M8: 14,134,156 km (0.087 R)
• M9: 15,734,405 km (0.055 R)
• M10: 16,152,680 km (0.119 R)
• M11: 16,407,146 km (0.086 R)
• M12: 24,332,243 km (0.052 R)
• M13: 28,550,754 km (0.087 R)
• M14: 29,172,632 km (0.079 R)
• M15: 32,418,457 km (0.112 R)
• M16: 36,330,591 km (0.106 R)
• M17: 43,421,081 km (0.1 R)
• M18: 46,258,654 km (0.116 R)
• M19: 69,657,107 km (0.061 R)
• M20: 69,881,354 km (0.093 R)
• M21: 71,464,698 km (0.084 R)
• M22: 79,251,417 km (0.092 R)
• M23: 82,468,070 km (0.084 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: 385 - 19,178 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit