🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 123.7

Radius: 10.6

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 0.57 AU - 0.63 AU

Year: 310 Days

Day: 6.2 Hours

Environment

Temp: -141 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 70,331,697 km

• M1: 131,945 km (0.077 R)
• M2: 489,185 km (0.069 R)
• M3: 1,212,491 km (0.077 R)
• M4: 1,959,882 km (0.078 R)
• M5: 2,317,570 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 955.7

Radius: 12.6

Gravity: 6.02 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.76 AU - 1.26 AU

Year: 677 Days

Day: 10.2 Hours

Environment

Temp: -172 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 70,331,697 km

• M1: 156,629 km (0.068 R)
• M2: 574,755 km (0.096 R)
• M3: 1,012,927 km (0.09 R)
• M4: 1,826,740 km (0.086 R)
• M5: 2,965,628 km (0.116 R)
• M6: 3,404,997 km (0.039 R)
• M7: 3,873,089 km (0.106 R)
• M8: 5,046,086 km (0.112 R)
• M9: 5,599,747 km (0.085 R)
• M10: 6,011,142 km (0.117 R)
• M11: 6,983,977 km (0.06 R)
• M12: 8,281,589 km (0.102 R)
• M13: 8,739,508 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 904.6

Radius: 9.3

Gravity: 10.46 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 1.41 AU - 1.45 AU

Year: 1140 Days

Day: 8.3 Hours

Environment

Temp: -185 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 70,331,697 km

• M1: 115,639 km (0.101 R)
• M2: 456,423 km (0.087 R)
• M3: 991,235 km (0.074 R)
• M4: 1,487,452 km (0.119 R)
• M5: 1,779,317 km (0.075 R)
• M6: 2,568,296 km (0.096 R)
• M7: 3,449,129 km (0.084 R)
• M8: 3,967,635 km (0.097 R)
• M9: 4,556,153 km (0.09 R)
• M10: 5,039,803 km (0.116 R)
• M11: 5,388,067 km (0.115 R)
• M12: 5,907,022 km (0.088 R)
• M13: 6,388,128 km (0.066 R)
• M14: 7,247,867 km (0.117 R)
• M15: 7,559,779 km (0.054 R)
• M16: 10,619,205 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 232.5

Radius: 10.5

Gravity: 2.11 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 1.43 AU - 1.45 AU

Year: 1152 Days

Day: 11.7 Hours

Environment

Temp: -186 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 70,331,697 km

• M1: 132,095 km (0.109 R)
• M2: 541,245 km (0.094 R)
• M3: 1,587,981 km (0.07 R)
• M4: 2,059,215 km (0.113 R)
• M5: 3,110,289 km (0.093 R)
• M6: 4,013,860 km (0.101 R)
• M7: 7,847,755 km (0.078 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 594.7

Radius: 14.9

Gravity: 2.68 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 4.8 AU - 6.28 AU

Year: 8695 Days

Day: 13.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 70,331,697 km

• M1: 185,352 km (0.098 R)
• M2: 848,968 km (0.073 R)
• M3: 1,948,213 km (0.044 R)
• M4: 2,819,770 km (0.07 R)
• M5: 3,790,810 km (0.115 R)
• M6: 4,771,873 km (0.069 R)
• M7: 5,916,297 km (0.063 R)
• M8: 6,394,711 km (0.113 R)
• M9: 7,198,799 km (0.054 R)
• M10: 10,069,433 km (0.104 R)
• M11: 11,522,327 km (0.119 R)
• M12: 14,779,372 km (0.04 R)
• M13: 17,472,433 km (0.109 R)
• M14: 18,176,141 km (0.046 R)
• M15: 21,339,837 km (0.074 R)
• M16: 22,144,075 km (0.098 R)
• M17: 22,885,183 km (0.093 R)
• M18: 23,388,281 km (0.068 R)
• M19: 26,564,243 km (0.097 R)
• M20: 29,520,896 km (0.082 R)
• M21: 32,479,643 km (0.088 R)
• M22: 33,115,583 km (0.108 R)
• M23: 37,338,282 km (0.046 R)
• M24: 38,861,787 km (0.068 R)
• M25: 39,458,533 km (0.103 R)
• M26: 40,182,886 km (0.116 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 959.2

Radius: 4.2

Gravity: 54.38 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 6.32 AU - 6.8 AU

Year: 11204 Days

Day: 22 Hours

Environment

Temp: -231 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 70,331,697 km

• M1: 52,359 km (0.105 R)
• M2: 207,492 km (0.107 R)
• M3: 467,793 km (0.089 R)
• M4: 1,334,563 km (0.077 R)
• M5: 1,566,439 km (0.051 R)
• M6: 2,303,957 km (0.118 R)
• M7: 3,402,155 km (0.103 R)
• M8: 3,614,285 km (0.068 R)
• M9: 3,806,967 km (0.031 R)
• M10: 4,213,125 km (0.101 R)
• M11: 4,711,884 km (0.081 R)
• M12: 5,496,525 km (0.105 R)
• M13: 6,014,582 km (0.069 R)
• M14: 7,019,880 km (0.111 R)
• M15: 7,190,422 km (0.047 R)
• M16: 8,085,466 km (0.086 R)
• M17: 8,273,061 km (0.096 R)
• M18: 9,052,466 km (0.058 R)
• M19: 9,511,732 km (0.097 R)
• M20: 10,643,589 km (0.108 R)
• M21: 13,893,603 km (0.101 R)
• M22: 17,591,513 km (0.095 R)
• M23: 17,748,591 km (0.12 R)
• M24: 18,145,324 km (0.086 R)
• M25: 18,386,177 km (0.064 R)
• M26: 19,961,592 km (0.12 R)
• M27: 22,628,772 km (0.1 R)
• M28: 24,240,689 km (0.103 R)
• M29: 28,548,360 km (0.1 R)
• M30: 29,092,896 km (0.076 R)
• M31: 29,866,766 km (0.112 R)
• M32: 30,427,758 km (0.09 R)
• M33: 39,978,685 km (0.094 R)
• M34: 40,934,765 km (0.097 R)
• M35: 43,462,819 km (0.089 R)
• M36: 44,619,061 km (0.118 R)
• M37: 50,709,340 km (0.034 R)
• M38: 50,868,213 km (0.035 R)
• M39: 52,801,915 km (0.082 R)
• M40: 53,457,154 km (0.112 R)
• M41: 54,450,184 km (0.052 R)
• M42: 55,287,035 km (0.047 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 492.5

Radius: 3.7

Gravity: 35.98 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 8.14 AU - 11.78 AU

Year: 20961 Days

Day: 20.6 Hours

Environment

Temp: -243 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 70,331,697 km

• M1: 63,579 km (0.092 R)
• M2: 193,430 km (0.116 R)
• M3: 616,792 km (0.103 R)
• M4: 784,192 km (0.113 R)
• M5: 912,397 km (0.047 R)
• M6: 4,215,219 km (0.035 R)
• M7: 10,333,323 km (0.095 R)
• M8: 10,930,069 km (0.109 R)
• M9: 12,925,854 km (0.05 R)
• M10: 14,262,063 km (0.106 R)
• M11: 17,704,609 km (0.116 R)
• M12: 20,529,615 km (0.042 R)
• M13: 27,840,313 km (0.045 R)
• M14: 29,697,720 km (0.112 R)
• M15: 34,699,525 km (0.099 R)
• M16: 37,398,720 km (0.053 R)
• M17: 46,970,739 km (0.105 R)
• M18: 48,435,303 km (0.1 R)
• M19: 53,536,889 km (0.094 R)
• M20: 63,797,957 km (0.1 R)
• M21: 68,244,155 km (0.116 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 383 - 11,922 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit