🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 855.9

Radius: 13.2

Gravity: 4.91 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.59 AU - 0.85 AU

Year: 414 Days

Day: 5.5 Hours

Environment

Temp: -152 °C

Axial Tilt: 119.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 39,854,480 km

• M1: 164,258 km (0.112 R)
• M2: 635,941 km (0.1 R)
• M3: 1,060,051 km (0.061 R)
• M4: 1,543,551 km (0.031 R)
• M5: 1,974,094 km (0.057 R)
• M6: 2,505,316 km (0.115 R)
• M7: 2,933,016 km (0.082 R)
• M8: 3,808,014 km (0.102 R)
• M9: 4,684,209 km (0.119 R)
• M10: 5,194,487 km (0.108 R)
• M11: 5,810,830 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 278.2

Radius: 13.7

Gravity: 1.48 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.83 AU - 1.35 AU

Year: 772 Days

Day: 6.8 Hours

Environment

Temp: -178 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 39,854,480 km

• M1: 170,990 km (0.051 R)
• M2: 654,640 km (0.109 R)
• M3: 1,987,857 km (0.034 R)
• M4: 2,567,548 km (0.089 R)
• M5: 3,574,192 km (0.096 R)
• M6: 4,224,943 km (0.057 R)
• M7: 5,241,909 km (0.118 R)
• M8: 5,730,197 km (0.064 R)
• M9: 6,248,853 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 718.3

Radius: 8.2

Gravity: 10.68 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.92 AU - 1.46 AU

Year: 880 Days

Day: 7.7 Hours

Environment

Temp: -178 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 39,854,480 km

• M1: 102,026 km (0.117 R)
• M2: 400,025 km (0.114 R)
• M3: 716,873 km (0.078 R)
• M4: 1,210,247 km (0.1 R)
• M5: 1,554,023 km (0.056 R)
• M6: 1,867,879 km (0.102 R)
• M7: 2,918,954 km (0.049 R)
• M8: 3,317,034 km (0.071 R)
• M9: 3,872,939 km (0.106 R)
• M10: 4,438,419 km (0.091 R)
• M11: 4,893,346 km (0.077 R)
• M12: 5,169,654 km (0.105 R)
• M13: 5,937,539 km (0.102 R)
• M14: 6,468,313 km (0.082 R)
• M15: 6,779,177 km (0.114 R)
• M16: 7,053,689 km (0.061 R)
• M17: 7,971,921 km (0.064 R)
• M18: 8,994,871 km (0.095 R)
• M19: 9,326,679 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 804.7

Radius: 13

Gravity: 4.76 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.5 AU - 1.72 AU

Year: 1386 Days

Day: 6.4 Hours

Environment

Temp: -200 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 39,854,480 km

• M1: 161,715 km (0.093 R)
• M2: 591,959 km (0.079 R)
• M3: 1,070,522 km (0.087 R)
• M4: 1,864,588 km (0.089 R)
• M5: 2,511,599 km (0.093 R)
• M6: 2,980,289 km (0.099 R)
• M7: 4,313,655 km (0.064 R)
• M8: 4,830,515 km (0.102 R)
• M9: 5,716,883 km (0.098 R)
• M10: 6,342,202 km (0.077 R)
• M11: 6,834,379 km (0.118 R)
• M12: 7,566,511 km (0.106 R)
• M13: 8,092,646 km (0.118 R)
• M14: 10,855,420 km (0.118 R)
• M15: 11,779,636 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 203.3

Radius: 14.3

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 2.16 AU - 2.94 AU

Year: 2762 Days

Day: 10.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 39,854,480 km

• M1: 178,021 km (0.099 R)
• M2: 900,579 km (0.118 R)
• M3: 2,320,263 km (0.11 R)
• M4: 3,082,763 km (0.086 R)
• M5: 3,653,030 km (0.102 R)
• M6: 4,670,146 km (0.089 R)
• M7: 5,845,986 km (0.111 R)
• M8: 6,528,301 km (0.1 R)
• M9: 7,395,371 km (0.114 R)
• M10: 8,338,137 km (0.114 R)
• M11: 9,173,341 km (0.111 R)
• M12: 10,129,571 km (0.115 R)
• M13: 11,011,151 km (0.073 R)
• M14: 11,578,875 km (0.047 R)
• M15: 13,479,516 km (0.113 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 207

Radius: 6.1

Gravity: 5.56 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 7 AU - 7.9 AU

Year: 13792 Days

Day: 21.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 39,854,480 km

• M1: 76,594 km (0.107 R)
• M2: 281,842 km (0.054 R)
• M3: 816,056 km (0.116 R)
• M4: 1,249,441 km (0.069 R)
• M5: 2,363,646 km (0.085 R)
• M6: 2,640,851 km (0.077 R)
• M7: 3,065,260 km (0.078 R)
• M8: 3,534,100 km (0.116 R)
• M9: 4,024,033 km (0.088 R)
• M10: 5,260,011 km (0.114 R)
• M11: 7,288,558 km (0.09 R)
• M12: 7,917,767 km (0.103 R)
• M13: 8,625,215 km (0.06 R)
• M14: 9,419,280 km (0.118 R)
• M15: 11,305,410 km (0.042 R)
• M16: 11,616,275 km (0.043 R)
• M17: 12,473,470 km (0.104 R)
• M18: 13,603,383 km (0.115 R)
• M19: 14,433,651 km (0.098 R)
• M20: 15,234,598 km (0.097 R)
• M21: 16,326,214 km (0.032 R)
• M22: 16,723,546 km (0.086 R)
• M23: 17,537,658 km (0.067 R)
• M24: 17,814,862 km (0.069 R)
• M25: 25,910,501 km (0.082 R)
• M26: 26,451,297 km (0.051 R)
• M27: 27,742,177 km (0.074 R)
• M28: 28,403,101 km (0.095 R)
• M29: 31,456,842 km (0.115 R)
• M30: 33,326,666 km (0.101 R)
• M31: 34,505,198 km (0.054 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 488 - 20,455 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit