🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 787.7

Radius: 9.8

Gravity: 8.2 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.46 AU - 0.66 AU

Year: 279 Days

Day: 9.8 Hours

Environment

Temp: -150 °C

Axial Tilt: 49.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 81,600,201 km

• M1: 122,072 km (0.055 R)
• M2: 434,432 km (0.087 R)
• M3: 803,640 km (0.095 R)
• M4: 1,194,988 km (0.12 R)
• M5: 1,613,862 km (0.093 R)
• M6: 2,479,435 km (0.088 R)
• M7: 2,867,642 km (0.101 R)
• M8: 3,582,420 km (0.027 R)
• M9: 4,359,731 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 14.7

Radius: 13.3

Gravity: 0.08 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.73 AU - 0.87 AU

Year: 477 Days

Day: 10.6 Hours

Environment

Temp: -167 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 81,600,201 km

• M1: 165,455 km (0.102 R)
• M2: 593,156 km (0.111 R)
• M3: 1,167,761 km (0.082 R)
• M4: 1,582,596 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 609.2

Radius: 12.6

Gravity: 3.84 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.81 AU - 1.19 AU

Year: 667 Days

Day: 6.9 Hours

Environment

Temp: -174 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 81,600,201 km

• M1: 156,928 km (0.089 R)
• M2: 563,984 km (0.112 R)
• M3: 1,158,935 km (0.119 R)
• M4: 1,960,330 km (0.092 R)
• M5: 2,460,137 km (0.118 R)
• M6: 2,870,185 km (0.118 R)
• M7: 3,532,604 km (0.094 R)
• M8: 4,160,616 km (0.078 R)
• M9: 4,556,602 km (0.075 R)
• M10: 5,129,861 km (0.088 R)
• M11: 5,586,433 km (0.065 R)
• M12: 7,015,991 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 789.6

Radius: 10

Gravity: 7.9 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 1.17 AU - 1.65 AU

Year: 1116 Days

Day: 11.9 Hours

Environment

Temp: -194 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 81,600,201 km

• M1: 124,465 km (0.067 R)
• M2: 930,648 km (0.077 R)
• M3: 1,261,260 km (0.033 R)
• M4: 1,574,069 km (0.111 R)
• M5: 1,970,204 km (0.115 R)
• M6: 2,339,112 km (0.083 R)
• M7: 2,766,962 km (0.05 R)
• M8: 4,720,710 km (0.103 R)
• M9: 5,285,742 km (0.064 R)
• M10: 6,093,720 km (0.058 R)
• M11: 6,574,527 km (0.116 R)
• M12: 7,847,755 km (0.117 R)
• M13: 9,639,040 km (0.059 R)
• M14: 11,142,199 km (0.053 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 198.3

Radius: 9.6

Gravity: 2.15 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 2.53 AU - 4.19 AU

Year: 4107 Days

Day: 9.7 Hours

Environment

Temp: -207 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 81,600,201 km

• M1: 119,379 km (0.057 R)
• M2: 501,302 km (0.104 R)
• M3: 891,304 km (0.083 R)
• M4: 1,224,758 km (0.099 R)
• M5: 2,414,061 km (0.086 R)
• M6: 2,784,016 km (0.044 R)
• M7: 3,675,021 km (0.103 R)
• M8: 4,638,282 km (0.106 R)
• M9: 4,942,265 km (0.077 R)
• M10: 5,639,092 km (0.077 R)
• M11: 6,860,708 km (0.088 R)
• M12: 8,376,882 km (0.111 R)
• M13: 10,104,887 km (0.042 R)
• M14: 10,655,408 km (0.049 R)
• M15: 12,386,404 km (0.11 R)
• M16: 12,931,838 km (0.104 R)
• M17: 14,297,218 km (0.038 R)
• M18: 15,562,517 km (0.086 R)
• M19: 16,901,119 km (0.068 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 915

Radius: 4.7

Gravity: 41.42 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 7.37 AU - 11.43 AU

Year: 19219 Days

Day: 21.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 81,600,201 km

• M1: 58,942 km (0.063 R)
• M2: 225,444 km (0.114 R)
• M3: 644,617 km (0.077 R)
• M4: 1,076,656 km (0.055 R)
• M5: 1,347,877 km (0.102 R)
• M6: 1,735,784 km (0.053 R)
• M7: 2,194,750 km (0.078 R)
• M8: 2,680,644 km (0.088 R)
• M9: 2,935,858 km (0.098 R)
• M10: 4,358,534 km (0.079 R)
• M11: 4,858,340 km (0.077 R)
• M12: 5,395,397 km (0.113 R)
• M13: 6,186,470 km (0.119 R)
• M14: 8,151,738 km (0.115 R)
• M15: 9,829,029 km (0.098 R)
• M16: 10,374,014 km (0.116 R)
• M17: 11,590,095 km (0.05 R)
• M18: 13,041,494 km (0.084 R)
• M19: 14,532,536 km (0.079 R)
• M20: 17,936,934 km (0.061 R)
• M21: 23,077,716 km (0.117 R)
• M22: 26,845,637 km (0.078 R)
• M23: 28,874,783 km (0.117 R)
• M24: 40,261,724 km (0.097 R)
• M25: 40,721,438 km (0.087 R)
• M26: 41,651,488 km (0.086 R)
• M27: 46,012,116 km (0.078 R)
• M28: 59,107,016 km (0.091 R)
• M29: 65,858,967 km (0.063 R)
• M30: 67,569,768 km (0.088 R)
• M31: 68,872,167 km (0.106 R)
• M32: 74,019,979 km (0.218 R)
• M33: 76,102,232 km (0.056 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 474 - 12,762 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit