🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 652.5

Radius: 15

Gravity: 2.9 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.49 AU - 0.79 AU

Year: 353 Days

Day: 14.3 Hours

Environment

Temp: -162 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 60,101,684 km

• M1: 186,848 km (0.097 R)
• M2: 656,585 km (0.09 R)
• M3: 1,151,006 km (0.104 R)
• M4: 1,857,557 km (0.1 R)
• M5: 2,598,814 km (0.088 R)
• M6: 3,386,148 km (0.1 R)
• M7: 3,946,841 km (0.082 R)
• M8: 4,515,163 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 382.2

Radius: 11

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 1.61 AU - 1.79 AU

Year: 1530 Days

Day: 5.1 Hours

Environment

Temp: -199 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 60,101,684 km

• M1: 136,732 km (0.09 R)
• M2: 548,575 km (0.096 R)
• M3: 1,011,132 km (0.07 R)
• M4: 1,489,247 km (0.087 R)
• M5: 3,032,798 km (0.101 R)
• M6: 3,386,746 km (0.091 R)
• M7: 4,264,437 km (0.098 R)
• M8: 5,655,697 km (0.059 R)
• M9: 6,699,142 km (0.113 R)
• M10: 7,480,043 km (0.098 R)
• M11: 7,998,101 km (0.119 R)
• M12: 9,106,471 km (0.08 R)
• M13: 9,517,716 km (0.103 R)
• M14: 10,157,845 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 729

Radius: 11.5

Gravity: 5.51 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.88 AU - 2.54 AU

Year: 2268 Days

Day: 9.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 60,101,684 km

• M1: 143,016 km (0.114 R)
• M2: 696,677 km (0.058 R)
• M3: 1,064,987 km (0.053 R)
• M4: 2,053,829 km (0.099 R)
• M5: 2,892,475 km (0.094 R)
• M6: 3,280,083 km (0.109 R)
• M7: 4,281,790 km (0.069 R)
• M8: 5,147,513 km (0.1 R)
• M9: 5,720,772 km (0.107 R)
• M10: 6,362,697 km (0.099 R)
• M11: 6,854,275 km (0.112 R)
• M12: 7,400,607 km (0.063 R)
• M13: 8,226,537 km (0.096 R)
• M14: 9,284,044 km (0.088 R)
• M15: 10,692,657 km (0.09 R)
• M16: 15,235,945 km (0.115 R)
• M17: 15,623,702 km (0.045 R)
• M18: 18,090,871 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 980.9

Radius: 12.7

Gravity: 6.08 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.78 AU - 2.76 AU

Year: 2361 Days

Day: 6.3 Hours

Environment

Temp: -197 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 60,101,684 km

• M1: 157,975 km (0.05 R)
• M2: 632,051 km (0.034 R)
• M3: 2,203,726 km (0.106 R)
• M4: 3,206,780 km (0.114 R)
• M5: 3,831,949 km (0.037 R)
• M6: 4,760,653 km (0.075 R)
• M7: 6,126,182 km (0.104 R)
• M8: 7,152,125 km (0.087 R)
• M9: 7,612,138 km (0.097 R)
• M10: 9,218,819 km (0.064 R)
• M11: 10,102,344 km (0.038 R)
• M12: 10,564,751 km (0.099 R)
• M13: 11,203,385 km (0.079 R)
• M14: 12,912,989 km (0.094 R)
• M15: 13,877,297 km (0.059 R)
• M16: 16,104,660 km (0.077 R)
• M17: 16,736,860 km (0.03 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 250.8

Radius: 8.4

Gravity: 3.55 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 3.91 AU - 6.21 AU

Year: 7857 Days

Day: 10.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 60,101,684 km

• M1: 104,569 km (0.116 R)
• M2: 444,754 km (0.095 R)
• M3: 756,816 km (0.069 R)
• M4: 2,353,623 km (0.05 R)
• M5: 2,917,757 km (0.081 R)
• M6: 5,213,635 km (0.08 R)
• M7: 6,451,558 km (0.088 R)
• M8: 8,932,938 km (0.093 R)
• M9: 10,168,915 km (0.053 R)
• M10: 10,473,048 km (0.114 R)
• M11: 11,375,422 km (0.075 R)
• M12: 12,625,013 km (0.035 R)
• M13: 14,667,174 km (0.116 R)
• M14: 17,163,663 km (0.083 R)
• M15: 18,868,331 km (0.091 R)
• M16: 21,596,846 km (0.108 R)
• M17: 22,758,474 km (0.036 R)
• M18: 24,191,172 km (0.116 R)
• M19: 25,523,192 km (0.064 R)

Asteroid Belt

Center: 6.12 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 7.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 442.6

Radius: 4.9

Gravity: 18.43 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 6.69 AU - 7.65 AU

Year: 13252 Days

Day: 15.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 44.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 60,101,684 km

• M1: 61,036 km (0.108 R)
• M2: 372,050 km (0.109 R)
• M3: 786,286 km (0.1 R)
• M4: 979,716 km (0.079 R)
• M5: 1,823,000 km (0.119 R)
• M6: 2,183,531 km (0.056 R)
• M7: 2,489,159 km (0.107 R)
• M8: 2,736,594 km (0.11 R)
• M9: 3,256,746 km (0.113 R)
• M10: 3,553,099 km (0.112 R)
• M11: 4,641,723 km (0.111 R)
• M12: 6,841,859 km (0.107 R)
• M13: 7,923,900 km (0.042 R)
• M14: 10,955,052 km (0.115 R)
• M15: 11,339,519 km (0.096 R)
• M16: 12,846,717 km (0.088 R)
• M17: 13,336,052 km (0.068 R)
• M18: 15,079,465 km (0.098 R)
• M19: 18,313,472 km (0.114 R)
• M20: 21,808,527 km (0.115 R)
• M21: 24,124,003 km (0.117 R)
• M22: 24,494,258 km (0.113 R)
• M23: 26,500,216 km (0.116 R)
• M24: 26,696,787 km (0.087 R)
• M25: 26,894,406 km (0.041 R)
• M26: 27,896,712 km (0.045 R)
• M27: 29,552,012 km (0.117 R)
• M28: 31,381,145 km (0.057 R)
• M29: 36,221,384 km (0.105 R)
• M30: 37,319,433 km (0.114 R)
• M31: 38,565,433 km (0.098 R)
• M32: 38,944,664 km (0.096 R)
• M33: 39,582,101 km (0.088 R)
• M34: 41,008,816 km (0.12 R)
• M35: 44,378,358 km (0.112 R)
• M36: 45,917,570 km (0.082 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 325.4

Radius: 5.3

Gravity: 11.58 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 8.25 AU - 10.85 AU

Year: 20371 Days

Day: 18.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 60,101,684 km

• M1: 65,973 km (0.118 R)
• M2: 256,560 km (0.114 R)
• M3: 446,101 km (0.079 R)
• M4: 805,884 km (0.057 R)
• M5: 1,341,893 km (0.067 R)
• M6: 1,530,087 km (0.108 R)
• M7: 1,889,272 km (0.115 R)
• M8: 2,866,894 km (0.062 R)
• M9: 3,082,315 km (0.091 R)
• M10: 5,871,567 km (0.082 R)
• M11: 6,063,351 km (0.108 R)
• M12: 6,298,968 km (0.057 R)
• M13: 16,705,893 km (0.081 R)
• M14: 17,562,341 km (0.087 R)
• M15: 22,195,238 km (0.095 R)
• M16: 24,492,612 km (0.079 R)
• M17: 35,017,720 km (0.063 R)
• M18: 39,327,635 km (0.079 R)
• M19: 44,124,341 km (0.082 R)
• M20: 46,207,940 km (0.083 R)
• M21: 51,376,696 km (0.067 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 456 - 12,332 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit