🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 706.3

Radius: 9.5

Gravity: 7.83 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 0.79 AU - 0.87 AU

Year: 496 Days

Day: 11.5 Hours

Environment

Temp: -157 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 39,233,907 km

• M1: 118,182 km (0.089 R)
• M2: 427,700 km (0.049 R)
• M3: 743,053 km (0.113 R)
• M4: 1,263,653 km (0.098 R)
• M5: 1,938,639 km (0.116 R)
• M6: 2,524,165 km (0.06 R)
• M7: 3,164,444 km (0.09 R)
• M8: 3,644,653 km (0.049 R)
• M9: 4,046,622 km (0.066 R)
• M10: 5,691,900 km (0.11 R)
• M11: 6,346,989 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 893.8

Radius: 12.7

Gravity: 5.54 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.73 AU - 1.09 AU

Year: 569 Days

Day: 14.2 Hours

Environment

Temp: -150 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 39,233,907 km

• M1: 157,975 km (0.096 R)
• M2: 587,920 km (0.078 R)
• M3: 1,073,514 km (0.111 R)
• M4: 1,564,495 km (0.066 R)
• M5: 1,994,439 km (0.097 R)
• M6: 2,411,667 km (0.068 R)
• M7: 3,004,524 km (0.086 R)
• M8: 4,017,451 km (0.116 R)
• M9: 4,955,130 km (0.089 R)
• M10: 5,584,638 km (0.109 R)
• M11: 6,466,218 km (0.101 R)
• M12: 7,111,135 km (0.083 R)
• M13: 7,662,104 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 534.7

Radius: 12.3

Gravity: 3.53 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 1.68 AU - 2.4 AU

Year: 1911 Days

Day: 8 Hours

Environment

Temp: -200 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 39,233,907 km

• M1: 153,487 km (0.085 R)
• M2: 560,094 km (0.111 R)
• M3: 1,129,913 km (0.119 R)
• M4: 1,527,095 km (0.084 R)
• M5: 2,473,152 km (0.113 R)
• M6: 3,540,234 km (0.085 R)
• M7: 4,376,336 km (0.076 R)
• M8: 8,958,668 km (0.064 R)
• M9: 9,564,689 km (0.108 R)
• M10: 9,994,933 km (0.077 R)
• M11: 10,823,406 km (0.083 R)
• M12: 11,511,107 km (0.052 R)
• M13: 12,343,769 km (0.099 R)
• M14: 13,256,765 km (0.054 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 277.6

Radius: 6.7

Gravity: 6.18 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 5.23 AU - 7.55 AU

Year: 10596 Days

Day: 23.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 39,233,907 km

• M1: 86,468 km (0.092 R)
• M2: 327,769 km (0.119 R)
• M3: 624,272 km (0.032 R)
• M4: 865,124 km (0.083 R)
• M5: 1,137,243 km (0.111 R)
• M6: 1,369,569 km (0.069 R)
• M7: 4,126,059 km (0.12 R)
• M8: 5,020,505 km (0.048 R)
• M9: 5,875,606 km (0.09 R)
• M10: 6,474,297 km (0.104 R)
• M11: 8,068,561 km (0.092 R)
• M12: 12,863,472 km (0.102 R)
• M13: 13,082,783 km (0.095 R)
• M14: 14,334,468 km (0.064 R)
• M15: 26,721,022 km (0.102 R)
• M16: 32,831,945 km (0.067 R)
• M17: 35,992,201 km (0.073 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 305

Radius: 7.8

Gravity: 5.01 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 5.84 AU - 7.34 AU

Year: 11098 Days

Day: 17.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 39,233,907 km

• M1: 97,089 km (0.079 R)
• M2: 444,156 km (0.054 R)
• M3: 701,165 km (0.082 R)
• M4: 1,003,054 km (0.044 R)
• M5: 1,379,442 km (0.075 R)
• M6: 1,704,069 km (0.073 R)
• M7: 2,996,595 km (0.033 R)
• M8: 3,931,282 km (0.098 R)
• M9: 5,077,651 km (0.087 R)
• M10: 5,505,202 km (0.097 R)
• M11: 7,654,325 km (0.099 R)
• M12: 11,044,661 km (0.107 R)
• M13: 12,186,991 km (0.114 R)
• M14: 12,898,029 km (0.11 R)
• M15: 13,810,726 km (0.044 R)
• M16: 14,704,723 km (0.115 R)
• M17: 16,214,764 km (0.102 R)
• M18: 16,740,301 km (0.068 R)
• M19: 22,233,236 km (0.066 R)
• M20: 22,881,892 km (0.052 R)
• M21: 25,514,964 km (0.103 R)
• M22: 27,501,773 km (0.065 R)
• M23: 28,437,957 km (0.106 R)
• M24: 29,105,911 km (0.111 R)
• M25: 31,882,747 km (0.07 R)
• M26: 34,184,609 km (0.071 R)
• M27: 36,595,080 km (0.09 R)
• M28: 38,417,780 km (0.064 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: 544 - 11,692 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit