🌌 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: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 208.5

Radius: 13.4

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.72 AU - 0.84 AU

Year: 459 Days

Day: 11.4 Hours

Environment

Temp: -158 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 71,684,051 km

• M1: 169,195 km (0.094 R)
• M2: 645,066 km (0.088 R)
• M3: 1,159,084 km (0.082 R)
• M4: 1,717,084 km (0.081 R)
• M5: 2,762,325 km (0.106 R)
• M6: 3,197,206 km (0.112 R)
• M7: 3,689,233 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 4.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 315.5

Radius: 15

Gravity: 1.4 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 3.44 AU - 4.9 AU

Year: 5679 Days

Day: 7.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 71,684,051 km

• M1: 186,848 km (0.106 R)
• M2: 846,724 km (0.093 R)
• M3: 1,872,816 km (0.067 R)
• M4: 5,547,987 km (0.08 R)
• M5: 6,019,070 km (0.05 R)
• M6: 7,234,852 km (0.104 R)
• M7: 8,755,365 km (0.077 R)
• M8: 12,006,576 km (0.119 R)
• M9: 13,136,039 km (0.113 R)
• M10: 13,827,032 km (0.106 R)
• M11: 14,386,827 km (0.082 R)
• M12: 15,825,360 km (0.109 R)
• M13: 17,299,348 km (0.115 R)
• M14: 22,340,497 km (0.11 R)
• M15: 23,974,854 km (0.066 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 777.4

Radius: 13.9

Gravity: 4.02 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 3.91 AU - 4.45 AU

Year: 5699 Days

Day: 8.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 71,684,051 km

• M1: 403,765 km (0.109 R)
• M2: 931,546 km (0.095 R)
• M3: 1,401,732 km (0.092 R)
• M4: 2,280,320 km (0.092 R)
• M5: 3,046,112 km (0.097 R)
• M6: 3,860,822 km (0.075 R)
• M7: 4,320,237 km (0.12 R)
• M8: 9,477,175 km (0.071 R)
• M9: 10,411,413 km (0.12 R)
• M10: 12,103,814 km (0.057 R)
• M11: 16,462,498 km (0.111 R)
• M12: 18,683,876 km (0.111 R)
• M13: 25,183,904 km (0.115 R)
• M14: 28,938,511 km (0.072 R)
• M15: 30,331,567 km (0.061 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 139.9

Radius: 13.4

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 4.32 AU - 5 AU

Year: 6708 Days

Day: 9.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 71,684,051 km

• M1: 167,400 km (0.12 R)
• M2: 584,479 km (0.079 R)
• M3: 1,363,136 km (0.101 R)
• M4: 3,237,298 km (0.119 R)
• M5: 3,679,659 km (0.114 R)
• M6: 5,014,820 km (0.119 R)
• M7: 5,980,175 km (0.112 R)
• M8: 15,349,639 km (0.099 R)
• M9: 16,663,856 km (0.04 R)
• M10: 18,979,631 km (0.067 R)
• M11: 19,635,917 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 798.6

Radius: 10.1

Gravity: 7.83 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 4.46 AU - 4.98 AU

Year: 6838 Days

Day: 11.5 Hours

Environment

Temp: -233 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 71,684,051 km

• M1: 129,851 km (0.088 R)
• M2: 713,731 km (0.12 R)
• M3: 1,440,927 km (0.042 R)
• M4: 4,308,718 km (0.066 R)
• M5: 4,717,569 km (0.066 R)
• M6: 5,242,508 km (0.072 R)
• M7: 6,002,465 km (0.058 R)
• M8: 7,016,888 km (0.034 R)
• M9: 11,194,558 km (0.107 R)
• M10: 11,812,248 km (0.063 R)
• M11: 12,236,507 km (0.12 R)
• M12: 13,285,189 km (0.047 R)
• M13: 16,790,267 km (0.052 R)
• M14: 21,410,896 km (0.057 R)
• M15: 25,212,328 km (0.098 R)
• M16: 31,217,784 km (0.091 R)
• M17: 33,379,174 km (0.114 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 526.2

Radius: 4.3

Gravity: 28.46 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 8.79 AU - 11.07 AU

Year: 20867 Days

Day: 17.5 Hours

Environment

Temp: -245 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 71,684,051 km

• M1: 53,406 km (0.114 R)
• M2: 189,989 km (0.083 R)
• M3: 1,241,214 km (0.083 R)
• M4: 1,401,582 km (0.084 R)
• M5: 1,543,102 km (0.087 R)
• M6: 2,187,420 km (0.047 R)
• M7: 2,604,349 km (0.12 R)
• M8: 2,944,086 km (0.082 R)
• M9: 5,398,389 km (0.086 R)
• M10: 5,908,966 km (0.102 R)
• M11: 6,155,204 km (0.106 R)
• M12: 7,071,342 km (0.089 R)
• M13: 8,688,794 km (0.114 R)
• M14: 10,717,640 km (0.086 R)
• M15: 11,207,872 km (0.104 R)
• M16: 13,529,482 km (0.097 R)
• M17: 14,029,438 km (0.087 R)
• M18: 19,544,064 km (0.109 R)
• M19: 23,076,968 km (0.061 R)
• M20: 24,412,727 km (0.071 R)
• M21: 27,690,566 km (0.116 R)
• M22: 30,151,900 km (0.071 R)
• M23: 33,267,425 km (0.108 R)
• M24: 34,176,830 km (0.117 R)
• M25: 41,307,712 km (0.105 R)
• M26: 46,093,049 km (0.061 R)
• M27: 52,796,081 km (0.044 R)
• M28: 54,032,208 km (0.087 R)
• M29: 64,422,977 km (0.113 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 399 - 11,960 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit