🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 360.7

Radius: 13.3

Gravity: 2.04 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 0.47 AU - 0.59 AU

Year: 266 Days

Day: 14.9 Hours

Environment

Temp: -137 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 34,657,139 km

• M1: 165,455 km (0.114 R)
• M2: 581,188 km (0.108 R)
• M3: 1,131,857 km (0.06 R)
• M4: 1,596,808 km (0.106 R)
• M5: 2,134,313 km (0.059 R)
• M6: 2,585,350 km (0.044 R)
• M7: 3,202,292 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 830.2

Radius: 11.7

Gravity: 6.06 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 0.48 AU - 0.58 AU

Year: 266 Days

Day: 6.4 Hours

Environment

Temp: -147 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 34,657,139 km

• M1: 145,559 km (0.066 R)
• M2: 618,438 km (0.059 R)
• M3: 1,103,284 km (0.065 R)
• M4: 1,576,163 km (0.062 R)
• M5: 1,955,244 km (0.106 R)
• M6: 2,668,377 km (0.067 R)
• M7: 3,162,499 km (0.04 R)
• M8: 3,570,004 km (0.05 R)
• M9: 3,988,429 km (0.082 R)
• M10: 4,387,855 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 619.8

Radius: 12.9

Gravity: 3.72 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 0.61 AU - 0.75 AU

Year: 387 Days

Day: 9.7 Hours

Environment

Temp: -161 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 34,657,139 km

• M1: 160,369 km (0.074 R)
• M2: 583,880 km (0.101 R)
• M3: 1,098,198 km (0.079 R)
• M4: 1,799,513 km (0.082 R)
• M5: 2,330,735 km (0.035 R)
• M6: 2,745,271 km (0.075 R)
• M7: 3,375,826 km (0.099 R)
• M8: 3,998,901 km (0.039 R)
• M9: 4,460,560 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 372.6

Radius: 9.4

Gravity: 4.22 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.96 AU - 3 AU

Year: 2696 Days

Day: 8 Hours

Environment

Temp: -204 °C

Axial Tilt: 41.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 34,657,139 km

• M1: 116,836 km (0.116 R)
• M2: 428,897 km (0.073 R)
• M3: 742,903 km (0.082 R)
• M4: 1,071,121 km (0.073 R)
• M5: 1,370,167 km (0.105 R)
• M6: 2,544,061 km (0.056 R)
• M7: 3,009,909 km (0.1 R)
• M8: 3,345,906 km (0.047 R)
• M9: 3,671,431 km (0.09 R)
• M10: 4,326,969 km (0.108 R)
• M11: 4,927,455 km (0.107 R)
• M12: 5,677,389 km (0.096 R)
• M13: 5,993,040 km (0.109 R)
• M14: 6,475,493 km (0.1 R)
• M15: 7,403,299 km (0.073 R)
• M16: 7,988,975 km (0.103 R)
• M17: 8,324,224 km (0.092 R)
• M18: 9,588,924 km (0.074 R)
• M19: 10,143,184 km (0.099 R)
• M20: 10,940,092 km (0.103 R)
• M21: 14,016,273 km (0.082 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 455.1

Radius: 10.4

Gravity: 4.21 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 3.6 AU - 4.28 AU

Year: 5398 Days

Day: 13.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 34,657,139 km

• M1: 129,402 km (0.079 R)
• M2: 506,090 km (0.097 R)
• M3: 912,397 km (0.111 R)
• M4: 1,619,995 km (0.067 R)
• M5: 1,949,260 km (0.086 R)
• M6: 2,958,447 km (0.058 R)
• M7: 3,812,053 km (0.116 R)
• M8: 5,943,224 km (0.106 R)
• M9: 6,803,113 km (0.06 R)
• M10: 7,163,045 km (0.074 R)
• M11: 7,674,072 km (0.048 R)
• M12: 10,217,983 km (0.092 R)
• M13: 11,223,131 km (0.103 R)
• M14: 12,828,167 km (0.042 R)
• M15: 14,420,188 km (0.069 R)
• M16: 14,797,174 km (0.074 R)
• M17: 17,440,718 km (0.085 R)
• M18: 19,325,502 km (0.068 R)
• M19: 21,065,475 km (0.05 R)
• M20: 21,621,231 km (0.055 R)
• M21: 23,200,236 km (0.066 R)
• M22: 23,643,943 km (0.051 R)
• M23: 25,241,499 km (0.112 R)
• M24: 27,564,305 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 233.7

Radius: 13.9

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 4.01 AU - 5.57 AU

Year: 7236 Days

Day: 5.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 34,657,139 km

• M1: 173,234 km (0.085 R)
• M2: 1,466,508 km (0.111 R)
• M3: 1,954,795 km (0.053 R)
• M4: 3,836,587 km (0.097 R)
• M5: 6,171,810 km (0.112 R)
• M6: 11,264,121 km (0.03 R)
• M7: 11,762,581 km (0.096 R)
• M8: 17,896,992 km (0.04 R)
• M9: 18,639,595 km (0.091 R)
• M10: 19,467,321 km (0.069 R)
• M11: 20,253,009 km (0.086 R)
• M12: 21,333,255 km (0.053 R)
• M13: 22,594,215 km (0.057 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 78.4

Radius: 4.8

Gravity: 3.4 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 6.92 AU - 10.78 AU

Year: 18173 Days

Day: 20.1 Hours

Environment

Temp: -234 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 34,657,139 km

• M1: 59,690 km (0.048 R)
• M2: 619,934 km (0.117 R)
• M3: 993,779 km (0.079 R)
• M4: 1,337,255 km (0.07 R)
• M5: 4,105,115 km (0.095 R)
• M6: 5,660,335 km (0.08 R)
• M7: 8,146,651 km (0.085 R)
• M8: 8,465,893 km (0.038 R)
• M9: 8,793,363 km (0.071 R)
• M10: 21,759,908 km (0.095 R)
• M11: 24,946,492 km (0.099 R)
• M12: 27,978,243 km (0.106 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 509 - 13,903 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit