🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 194.7

Radius: 11.8

Gravity: 1.4 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.56 AU - 0.76 AU

Year: 370 Days

Day: 14 Hours

Environment

Temp: -154 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 31,303,493 km

• M1: 146,756 km (0.053 R)
• M2: 680,670 km (0.108 R)
• M3: 1,119,590 km (0.056 R)
• M4: 2,148,525 km (0.116 R)
• M5: 2,732,405 km (0.119 R)
• M6: 3,410,383 km (0.052 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 936.7

Radius: 10.7

Gravity: 8.18 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.94 AU - 1.28 AU

Year: 807 Days

Day: 12.5 Hours

Environment

Temp: -185 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 31,303,493 km

• M1: 133,142 km (0.09 R)
• M2: 505,042 km (0.066 R)
• M3: 929,003 km (0.054 R)
• M4: 1,322,146 km (0.117 R)
• M5: 1,800,111 km (0.092 R)
• M6: 2,156,902 km (0.103 R)
• M7: 2,538,227 km (0.058 R)
• M8: 3,762,087 km (0.053 R)
• M9: 4,203,401 km (0.076 R)
• M10: 4,767,834 km (0.065 R)
• M11: 5,324,188 km (0.054 R)
• M12: 6,048,392 km (0.096 R)
• M13: 7,448,478 km (0.12 R)
• M14: 8,095,638 km (0.074 R)
• M15: 8,459,610 km (0.099 R)
• M16: 8,888,806 km (0.049 R)
• M17: 9,588,476 km (0.057 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 905.8

Radius: 12.2

Gravity: 6.09 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.91 AU - 1.33 AU

Year: 818 Days

Day: 12.2 Hours

Environment

Temp: -189 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 31,303,493 km

• M1: 151,692 km (0.057 R)
• M2: 614,847 km (0.089 R)
• M3: 1,047,335 km (0.099 R)
• M4: 1,469,799 km (0.093 R)
• M5: 1,903,334 km (0.067 R)
• M6: 2,723,130 km (0.092 R)
• M7: 3,181,199 km (0.063 R)
• M8: 3,826,414 km (0.074 R)
• M9: 4,471,630 km (0.096 R)
• M10: 4,856,695 km (0.1 R)
• M11: 5,379,091 km (0.088 R)
• M12: 6,405,332 km (0.105 R)
• M13: 8,575,698 km (0.077 R)
• M14: 9,228,992 km (0.038 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 610.3

Radius: 11

Gravity: 5.04 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.94 AU - 1.34 AU

Year: 840 Days

Day: 11.7 Hours

Environment

Temp: -182 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 31,303,493 km

• M1: 136,882 km (0.12 R)
• M2: 526,585 km (0.107 R)
• M3: 1,001,408 km (0.049 R)
• M4: 1,375,852 km (0.112 R)
• M5: 1,862,942 km (0.104 R)
• M6: 2,629,781 km (0.074 R)
• M7: 3,401,706 km (0.084 R)
• M8: 5,226,351 km (0.116 R)
• M9: 5,581,347 km (0.112 R)
• M10: 6,133,961 km (0.057 R)
• M11: 7,008,660 km (0.084 R)
• M12: 7,371,884 km (0.089 R)
• M13: 7,843,566 km (0.099 R)
• M14: 8,563,431 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 675

Radius: 13.6

Gravity: 3.65 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 1.2 AU - 1.2 AU

Year: 907 Days

Day: 10.5 Hours

Environment

Temp: -175 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 31,303,493 km

• M1: 169,195 km (0.086 R)
• M2: 617,989 km (0.102 R)
• M3: 1,060,499 km (0.1 R)
• M4: 1,514,978 km (0.076 R)
• M5: 1,986,809 km (0.074 R)
• M6: 2,661,346 km (0.097 R)
• M7: 3,428,634 km (0.116 R)
• M8: 4,081,778 km (0.075 R)
• M9: 4,834,405 km (0.061 R)
• M10: 7,229,467 km (0.06 R)
• M11: 7,682,449 km (0.088 R)
• M12: 8,436,572 km (0.109 R)
• M13: 9,102,282 km (0.042 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 791.9

Radius: 12.7

Gravity: 4.91 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 1.63 AU - 2.59 AU

Year: 2116 Days

Day: 7.2 Hours

Environment

Temp: -193 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 31,303,493 km

• M1: 159,771 km (0.102 R)
• M2: 594,203 km (0.097 R)
• M3: 1,152,502 km (0.109 R)
• M4: 1,847,683 km (0.108 R)
• M5: 2,506,363 km (0.076 R)
• M6: 3,250,313 km (0.085 R)
• M7: 5,578,505 km (0.09 R)
• M8: 8,208,734 km (0.12 R)
• M9: 10,207,512 km (0.089 R)
• M10: 14,675,252 km (0.059 R)
• M11: 16,415,674 km (0.089 R)
• M12: 17,597,198 km (0.065 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 625.7

Radius: 9.7

Gravity: 6.65 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 3.06 AU - 4.94 AU

Year: 5522 Days

Day: 12.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 31,303,493 km

• M1: 121,025 km (0.098 R)
• M2: 475,871 km (0.068 R)
• M3: 1,132,905 km (0.062 R)
• M4: 1,480,720 km (0.12 R)
• M5: 2,192,058 km (0.095 R)
• M6: 2,722,980 km (0.083 R)
• M7: 3,038,632 km (0.07 R)
• M8: 4,257,107 km (0.108 R)
• M9: 4,684,657 km (0.119 R)
• M10: 5,895,502 km (0.057 R)
• M11: 6,856,070 km (0.054 R)
• M12: 8,104,913 km (0.088 R)
• M13: 10,543,658 km (0.099 R)
• M14: 11,281,325 km (0.112 R)
• M15: 11,614,629 km (0.08 R)
• M16: 11,954,665 km (0.11 R)
• M17: 13,755,225 km (0.106 R)
• M18: 14,135,952 km (0.113 R)
• M19: 14,467,909 km (0.088 R)
• M20: 15,553,391 km (0.118 R)
• M21: 16,387,549 km (0.05 R)
• M22: 17,125,815 km (0.114 R)
• M23: 21,955,731 km (0.11 R)
• M24: 28,492,410 km (0.099 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: 502 - 11,870 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit