🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.69 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 288.4

Radius: 12

Gravity: 2 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 1.23 AU - 1.51 AU

Year: 1069 Days

Day: 10.9 Hours

Environment

Temp: -192 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 29,307,921 km

• M1: 149,299 km (0.111 R)
• M2: 561,441 km (0.111 R)
• M3: 1,124,527 km (0.056 R)
• M4: 1,691,204 km (0.079 R)
• M5: 2,222,127 km (0.097 R)
• M6: 2,680,345 km (0.112 R)
• M7: 3,226,976 km (0.117 R)
• M8: 3,890,293 km (0.032 R)
• M9: 4,741,205 km (0.073 R)
• M10: 6,135,906 km (0.108 R)
• M11: 6,896,163 km (0.047 R)
• M12: 7,975,062 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 309.3

Radius: 11.8

Gravity: 2.22 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.65 AU - 1.75 AU

Year: 1478 Days

Day: 9.4 Hours

Environment

Temp: -193 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 29,307,921 km

• M1: 146,756 km (0.104 R)
• M2: 538,104 km (0.118 R)
• M3: 1,421,030 km (0.114 R)
• M4: 2,238,583 km (0.081 R)
• M5: 2,644,591 km (0.101 R)
• M6: 3,073,339 km (0.118 R)
• M7: 3,548,611 km (0.11 R)
• M8: 4,056,496 km (0.076 R)
• M9: 4,612,701 km (0.034 R)
• M10: 5,086,178 km (0.106 R)
• M11: 6,195,895 km (0.059 R)
• M12: 6,592,180 km (0.1 R)
• M13: 9,684,218 km (0.089 R)
• M14: 10,098,754 km (0.038 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 305.3

Radius: 10.3

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 1.53 AU - 2.07 AU

Year: 1610 Days

Day: 12 Hours

Environment

Temp: -207 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 29,307,921 km

• M1: 137,331 km (0.086 R)
• M2: 482,304 km (0.061 R)
• M3: 855,401 km (0.106 R)
• M4: 1,297,762 km (0.104 R)
• M5: 2,228,559 km (0.111 R)
• M6: 2,948,724 km (0.12 R)
• M7: 3,961,202 km (0.055 R)
• M8: 4,829,318 km (0.074 R)
• M9: 5,348,423 km (0.109 R)
• M10: 5,735,732 km (0.097 R)
• M11: 6,612,675 km (0.118 R)
• M12: 8,332,302 km (0.112 R)
• M13: 8,714,674 km (0.105 R)
• M14: 10,614,418 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 554.5

Radius: 8.8

Gravity: 7.16 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 2.05 AU - 3.37 AU

Year: 2975 Days

Day: 14.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 29,307,921 km

• M1: 111,750 km (0.061 R)
• M2: 422,464 km (0.116 R)
• M3: 770,429 km (0.084 R)
• M4: 1,096,104 km (0.096 R)
• M5: 2,204,624 km (0.098 R)
• M6: 2,554,683 km (0.069 R)
• M7: 2,909,379 km (0.072 R)
• M8: 3,439,405 km (0.1 R)
• M9: 3,892,985 km (0.047 R)
• M10: 4,364,518 km (0.053 R)
• M11: 5,083,635 km (0.035 R)
• M12: 5,521,508 km (0.076 R)
• M13: 6,279,969 km (0.071 R)
• M14: 6,727,117 km (0.081 R)
• M15: 7,346,303 km (0.106 R)
• M16: 8,528,874 km (0.05 R)
• M17: 9,042,892 km (0.088 R)
• M18: 11,226,572 km (0.106 R)
• M19: 12,054,896 km (0.103 R)
• M20: 12,878,881 km (0.093 R)
• M21: 13,418,480 km (0.062 R)
• M22: 14,161,084 km (0.115 R)
• M23: 15,226,670 km (0.076 R)
• M24: 15,626,994 km (0.083 R)
• M25: 16,085,960 km (0.04 R)
• M26: 17,462,111 km (0.09 R)
• M27: 18,743,566 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 989.3

Radius: 12.3

Gravity: 6.54 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 3.1 AU - 3.92 AU

Year: 4385 Days

Day: 7.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 29,307,921 km

• M1: 153,039 km (0.062 R)
• M2: 616,194 km (0.104 R)
• M3: 1,035,965 km (0.118 R)
• M4: 1,716,486 km (0.078 R)
• M5: 2,297,823 km (0.118 R)
• M6: 2,913,867 km (0.098 R)
• M7: 3,446,286 km (0.062 R)
• M8: 3,836,737 km (0.036 R)
• M9: 4,891,701 km (0.102 R)
• M10: 6,447,369 km (0.101 R)
• M11: 7,010,306 km (0.061 R)
• M12: 9,766,497 km (0.072 R)
• M13: 10,965,075 km (0.091 R)
• M14: 11,768,565 km (0.111 R)
• M15: 15,206,923 km (0.113 R)
• M16: 17,500,707 km (0.102 R)
• M17: 19,672,270 km (0.106 R)
• M18: 22,388,967 km (0.107 R)
• M19: 28,205,631 km (0.084 R)
• M20: 29,803,187 km (0.111 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 92.4

Radius: 4.1

Gravity: 5.5 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 6.57 AU - 7.93 AU

Year: 13018 Days

Day: 24.6 Hours

Environment

Temp: -233 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 29,307,921 km

• M1: 51,910 km (0.035 R)
• M2: 210,484 km (0.105 R)
• M3: 358,287 km (0.057 R)
• M4: 809,773 km (0.086 R)
• M5: 1,018,761 km (0.11 R)
• M6: 1,170,753 km (0.112 R)
• M7: 1,508,994 km (0.1 R)
• M8: 1,669,063 km (0.096 R)
• M9: 1,799,812 km (0.084 R)
• M10: 2,281,068 km (0.052 R)
• M11: 2,880,208 km (0.119 R)
• M12: 3,954,769 km (0.087 R)
• M13: 4,164,805 km (0.057 R)
• M14: 4,481,055 km (0.094 R)
• M15: 5,384,027 km (0.078 R)
• M16: 6,151,913 km (0.064 R)
• M17: 7,228,120 km (0.052 R)
• M18: 10,086,188 km (0.11 R)
• M19: 14,203,570 km (0.096 R)
• M20: 14,421,085 km (0.106 R)
• M21: 14,918,498 km (0.116 R)
• M22: 16,360,023 km (0.084 R)
• M23: 16,659,069 km (0.056 R)
• M24: 17,453,733 km (0.086 R)
• M25: 17,891,905 km (0.089 R)
• M26: 18,209,352 km (0.108 R)
• M27: 23,508,109 km (0.098 R)
• M28: 27,251,646 km (0.12 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 257 - 12,446 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit