🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.76 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 439.4

Radius: 13.3

Gravity: 2.48 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 1.21 AU - 1.81 AU

Year: 1180 Days

Day: 10.1 Hours

Environment

Temp: -175 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 76,500,833 km

• M1: 166,353 km (0.116 R)
• M2: 676,930 km (0.104 R)
• M3: 1,344,286 km (0.096 R)
• M4: 1,792,332 km (0.102 R)
• M5: 2,575,776 km (0.116 R)
• M6: 3,015,145 km (0.09 R)
• M7: 3,830,453 km (0.099 R)
• M8: 4,340,433 km (0.067 R)
• M9: 4,805,832 km (0.107 R)
• M10: 5,247,445 km (0.112 R)
• M11: 5,981,820 km (0.083 R)
• M12: 6,966,324 km (0.055 R)
• M13: 7,485,728 km (0.066 R)
• M14: 7,929,734 km (0.08 R)
• M15: 8,522,740 km (0.084 R)
• M16: 9,034,814 km (0.045 R)
• M17: 9,538,959 km (0.048 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 513

Radius: 10.2

Gravity: 4.93 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.45 AU - 1.87 AU

Year: 1360 Days

Day: 14.1 Hours

Environment

Temp: -178 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 76,500,833 km

• M1: 128,205 km (0.077 R)
• M2: 610,808 km (0.052 R)
• M3: 988,393 km (0.061 R)
• M4: 1,323,941 km (0.114 R)
• M5: 1,681,779 km (0.084 R)
• M6: 3,282,177 km (0.109 R)
• M7: 4,948,698 km (0.103 R)
• M8: 5,718,229 km (0.09 R)
• M9: 7,292,148 km (0.063 R)
• M10: 8,343,073 km (0.083 R)
• M11: 8,847,667 km (0.109 R)
• M12: 9,254,124 km (0.103 R)
• M13: 9,918,040 km (0.118 R)
• M14: 10,710,609 km (0.051 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 515.2

Radius: 10.8

Gravity: 4.42 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 1.8 AU - 2.12 AU

Year: 1745 Days

Day: 11.4 Hours

Environment

Temp: -198 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 76,500,833 km

• M1: 144,512 km (0.103 R)
• M2: 494,571 km (0.099 R)
• M3: 897,438 km (0.078 R)
• M4: 1,251,237 km (0.07 R)
• M5: 1,596,957 km (0.111 R)
• M6: 1,996,533 km (0.074 R)
• M7: 2,400,896 km (0.116 R)
• M8: 2,873,925 km (0.111 R)
• M9: 3,269,013 km (0.072 R)
• M10: 4,446,797 km (0.113 R)
• M11: 4,957,524 km (0.117 R)
• M12: 5,639,541 km (0.039 R)
• M13: 6,603,549 km (0.098 R)
• M14: 7,296,038 km (0.063 R)
• M15: 8,121,668 km (0.114 R)
• M16: 12,282,135 km (0.066 R)
• M17: 13,409,355 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 670.6

Radius: 11.9

Gravity: 4.74 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 2.51 AU - 3.79 AU

Year: 3555 Days

Day: 9.5 Hours

Environment

Temp: -195 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 76,500,833 km

• M1: 148,102 km (0.072 R)
• M2: 697,425 km (0.074 R)
• M3: 1,114,205 km (0.051 R)
• M4: 1,713,045 km (0.081 R)
• M5: 2,339,860 km (0.071 R)
• M6: 2,805,858 km (0.105 R)
• M7: 3,259,588 km (0.066 R)
• M8: 3,762,237 km (0.116 R)
• M9: 4,636,786 km (0.112 R)
• M10: 6,254,089 km (0.113 R)
• M11: 7,480,193 km (0.088 R)
• M12: 8,289,068 km (0.107 R)
• M13: 8,860,233 km (0.075 R)
• M14: 10,121,194 km (0.112 R)
• M15: 10,526,005 km (0.043 R)
• M16: 11,585,757 km (0.087 R)
• M17: 12,118,924 km (0.11 R)
• M18: 12,996,764 km (0.092 R)
• M19: 15,616,522 km (0.079 R)
• M20: 18,630,171 km (0.104 R)
• M21: 19,799,129 km (0.067 R)
• M22: 21,081,781 km (0.107 R)
• M23: 21,743,452 km (0.118 R)
• M24: 23,458,442 km (0.091 R)

Planet 5 - Ice Giant

Semi-Major Axis: 11.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 311.5

Radius: 5.7

Gravity: 9.59 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 9.48 AU - 12.82 AU

Year: 23673 Days

Day: 23.3 Hours

Environment

Temp: -237 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 76,500,833 km

• M1: 71,059 km (0.075 R)
• M2: 274,362 km (0.069 R)
• M3: 693,985 km (0.117 R)
• M4: 1,431,053 km (0.081 R)
• M5: 2,193,853 km (0.103 R)
• M6: 2,779,828 km (0.066 R)
• M7: 2,996,894 km (0.06 R)
• M8: 3,303,719 km (0.085 R)
• M9: 5,162,623 km (0.091 R)
• M10: 5,343,636 km (0.052 R)
• M11: 7,168,880 km (0.102 R)
• M12: 8,900,325 km (0.115 R)
• M13: 9,588,775 km (0.114 R)
• M14: 10,774,787 km (0.12 R)
• M15: 11,741,937 km (0.072 R)
• M16: 13,298,952 km (0.062 R)
• M17: 13,986,653 km (0.027 R)
• M18: 23,577,522 km (0.118 R)
• M19: 28,105,700 km (0.074 R)
• M20: 33,056,342 km (0.088 R)
• M21: 37,331,101 km (0.118 R)
• M22: 39,811,285 km (0.076 R)
• M23: 40,093,576 km (0.059 R)
• M24: 49,030,702 km (0.118 R)
• M25: 50,997,615 km (0.067 R)
• M26: 52,168,966 km (0.054 R)
• M27: 56,321,055 km (0.116 R)
• M28: 56,855,120 km (0.059 R)

Planet 6 - Ice Giant

Semi-Major Axis: 11.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 461.3

Radius: 5

Gravity: 18.45 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 8.57 AU - 14.29 AU

Year: 24570 Days

Day: 21.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 76,500,833 km

• M1: 64,177 km (0.072 R)
• M2: 271,969 km (0.092 R)
• M3: 538,403 km (0.082 R)
• M4: 3,066,457 km (0.072 R)
• M5: 6,013,236 km (0.104 R)
• M6: 7,167,832 km (0.108 R)
• M7: 8,048,964 km (0.063 R)
• M8: 8,254,212 km (0.109 R)
• M9: 8,515,709 km (0.119 R)
• M10: 10,502,967 km (0.069 R)
• M11: 11,767,219 km (0.04 R)
• M12: 13,848,873 km (0.097 R)
• M13: 17,583,584 km (0.086 R)
• M14: 18,723,969 km (0.099 R)
• M15: 20,288,613 km (0.098 R)
• M16: 21,151,194 km (0.093 R)
• M17: 26,960,678 km (0.115 R)
• M18: 27,305,052 km (0.111 R)
• M19: 28,237,645 km (0.078 R)
• M20: 41,289,611 km (0.077 R)
• M21: 46,839,542 km (0.056 R)
• M22: 67,268,478 km (0.117 R)
• M23: 68,326,135 km (0.096 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 163 - 18,983 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit