🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 166

Radius: 14.2

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.62 AU - 0.84 AU

Year: 431 Days

Day: 10.8 Hours

Environment

Temp: -165 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 62,945,086 km

• M1: 177,124 km (0.089 R)
• M2: 640,129 km (0.081 R)
• M3: 1,309,580 km (0.041 R)
• M4: 1,999,376 km (0.112 R)
• M5: 2,541,668 km (0.042 R)
• M6: 3,051,198 km (0.111 R)
• M7: 3,670,833 km (0.078 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 739.6

Radius: 10.6

Gravity: 6.58 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.87 AU - 1.37 AU

Year: 818 Days

Day: 8.7 Hours

Environment

Temp: -175 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 62,945,086 km

• M1: 131,796 km (0.063 R)
• M2: 506,987 km (0.114 R)
• M3: 889,060 km (0.07 R)
• M4: 1,226,553 km (0.108 R)
• M5: 1,578,407 km (0.094 R)
• M6: 2,185,176 km (0.11 R)
• M7: 2,583,256 km (0.08 R)
• M8: 2,953,960 km (0.069 R)
• M9: 3,627,599 km (0.093 R)
• M10: 3,985,886 km (0.05 R)
• M11: 4,862,080 km (0.083 R)
• M12: 6,272,938 km (0.073 R)
• M13: 6,903,343 km (0.097 R)
• M14: 7,551,551 km (0.098 R)
• M15: 8,756,562 km (0.09 R)
• M16: 9,131,155 km (0.054 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 399.4

Radius: 10.1

Gravity: 3.92 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 1.8 AU - 1.84 AU

Year: 1695 Days

Day: 7 Hours

Environment

Temp: -203 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 62,945,086 km

• M1: 126,261 km (0.087 R)
• M2: 456,573 km (0.066 R)
• M3: 770,878 km (0.108 R)
• M4: 1,138,589 km (0.108 R)
• M5: 1,679,535 km (0.087 R)
• M6: 2,361,702 km (0.088 R)
• M7: 2,853,729 km (0.07 R)
• M8: 3,759,993 km (0.048 R)
• M9: 4,324,725 km (0.064 R)
• M10: 6,363,594 km (0.054 R)
• M11: 7,217,499 km (0.098 R)
• M12: 7,981,495 km (0.112 R)
• M13: 8,539,046 km (0.072 R)
• M14: 8,856,792 km (0.114 R)
• M15: 10,434,152 km (0.107 R)
• M16: 11,549,853 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 182.6

Radius: 10.5

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 2.18 AU - 2.2 AU

Year: 2237 Days

Day: 13.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 62,945,086 km

• M1: 130,599 km (0.027 R)
• M2: 1,603,839 km (0.109 R)
• M3: 2,244,716 km (0.103 R)
• M4: 4,255,461 km (0.034 R)
• M5: 5,566,537 km (0.055 R)
• M6: 7,893,532 km (0.107 R)
• M7: 9,082,386 km (0.06 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 978.3

Radius: 8.1

Gravity: 14.91 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 3.67 AU - 4.09 AU

Year: 5275 Days

Day: 7.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 62,945,086 km

• M1: 100,829 km (0.051 R)
• M2: 361,279 km (0.088 R)
• M3: 617,540 km (0.045 R)
• M4: 1,199,177 km (0.106 R)
• M5: 1,795,623 km (0.116 R)
• M6: 2,106,188 km (0.045 R)
• M7: 2,383,692 km (0.116 R)
• M8: 2,722,980 km (0.092 R)
• M9: 3,073,937 km (0.069 R)
• M10: 3,476,804 km (0.064 R)
• M11: 4,159,718 km (0.036 R)
• M12: 5,820,853 km (0.062 R)
• M13: 6,075,918 km (0.108 R)
• M14: 6,371,972 km (0.084 R)
• M15: 8,038,043 km (0.066 R)
• M16: 9,226,897 km (0.042 R)
• M17: 9,486,749 km (0.111 R)
• M18: 10,435,199 km (0.078 R)
• M19: 11,248,264 km (0.095 R)
• M20: 11,595,032 km (0.118 R)
• M21: 14,573,226 km (0.098 R)
• M22: 16,585,617 km (0.098 R)
• M23: 18,776,478 km (0.051 R)
• M24: 19,476,745 km (0.106 R)
• M25: 23,082,503 km (0.11 R)
• M26: 24,459,401 km (0.091 R)
• M27: 25,041,936 km (0.062 R)
• M28: 28,276,092 km (0.102 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 813.3

Radius: 5.8

Gravity: 24.18 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 6.76 AU - 7.98 AU

Year: 13811 Days

Day: 23.6 Hours

Environment

Temp: -239 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 62,945,086 km

• M1: 74,649 km (0.094 R)
• M2: 654,341 km (0.119 R)
• M3: 919,728 km (0.062 R)
• M4: 2,631,576 km (0.103 R)
• M5: 3,522,132 km (0.111 R)
• M6: 3,716,310 km (0.094 R)
• M7: 5,211,840 km (0.114 R)
• M8: 5,501,312 km (0.114 R)
• M9: 5,687,561 km (0.055 R)
• M10: 6,352,973 km (0.083 R)
• M11: 7,469,122 km (0.117 R)
• M12: 7,790,608 km (0.051 R)
• M13: 9,485,552 km (0.093 R)
• M14: 11,472,362 km (0.108 R)
• M15: 12,150,040 km (0.102 R)
• M16: 12,530,766 km (0.101 R)
• M17: 17,100,682 km (0.09 R)
• M18: 20,997,108 km (0.032 R)
• M19: 27,671,866 km (0.076 R)
• M20: 32,748,320 km (0.066 R)
• M21: 32,992,763 km (0.118 R)
• M22: 35,892,269 km (0.107 R)
• M23: 46,366,364 km (0.052 R)
• M24: 49,671,879 km (0.081 R)
• M25: 58,705,795 km (0.088 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 331 - 10,550 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit