🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 854.7

Radius: 8.4

Gravity: 12.11 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 0.75 AU - 0.81 AU

Year: 452 Days

Day: 12.9 Hours

Environment

Temp: -144 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 30,809,257 km

• M1: 104,419 km (0.038 R)
• M2: 395,088 km (0.108 R)
• M3: 711,338 km (0.067 R)
• M4: 1,020,856 km (0.113 R)
• M5: 1,420,881 km (0.068 R)
• M6: 1,923,230 km (0.081 R)
• M7: 2,429,918 km (0.055 R)
• M8: 3,126,595 km (0.09 R)
• M9: 3,528,266 km (0.099 R)
• M10: 3,991,570 km (0.12 R)
• M11: 5,610,668 km (0.064 R)
• M12: 6,431,661 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 306.8

Radius: 11.2

Gravity: 2.45 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 1.62 AU - 2.62 AU

Year: 2025 Days

Day: 12.7 Hours

Environment

Temp: -182 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 30,809,257 km

• M1: 139,276 km (0.081 R)
• M2: 648,357 km (0.115 R)
• M3: 1,033,272 km (0.097 R)
• M4: 1,867,580 km (0.1 R)
• M5: 2,242,921 km (0.11 R)
• M6: 2,840,864 km (0.068 R)
• M7: 3,311,498 km (0.102 R)
• M8: 3,686,241 km (0.108 R)
• M9: 5,458,078 km (0.075 R)
• M10: 6,259,025 km (0.096 R)
• M11: 7,578,778 km (0.115 R)
• M12: 9,471,340 km (0.059 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 132.7

Radius: 13.7

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 1.84 AU - 3.02 AU

Year: 2485 Days

Day: 5 Hours

Environment

Temp: -194 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 30,809,257 km

• M1: 172,636 km (0.103 R)
• M2: 661,372 km (0.113 R)
• M3: 1,200,373 km (0.117 R)
• M4: 2,572,036 km (0.074 R)
• M5: 3,301,326 km (0.112 R)
• M6: 4,000,397 km (0.038 R)
• M7: 4,438,120 km (0.076 R)
• M8: 4,870,458 km (0.096 R)
• M9: 5,572,521 km (0.025 R)
• M10: 6,635,563 km (0.06 R)
• M11: 7,130,882 km (0.113 R)
• M12: 8,276,203 km (0.109 R)
• M13: 9,540,604 km (0.11 R)
• M14: 10,673,658 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 713.7

Radius: 13.3

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 2 AU - 2.9 AU

Year: 2516 Days

Day: 13.2 Hours

Environment

Temp: -205 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 30,809,257 km

• M1: 165,455 km (0.118 R)
• M2: 586,872 km (0.051 R)
• M3: 1,122,283 km (0.083 R)
• M4: 1,557,613 km (0.106 R)
• M5: 2,133,415 km (0.075 R)
• M6: 2,652,819 km (0.098 R)
• M7: 3,188,679 km (0.106 R)
• M8: 3,720,948 km (0.114 R)
• M9: 4,438,120 km (0.056 R)
• M10: 4,943,312 km (0.066 R)
• M11: 7,095,277 km (0.082 R)
• M12: 9,559,753 km (0.087 R)
• M13: 10,218,432 km (0.066 R)
• M14: 10,751,300 km (0.077 R)
• M15: 14,396,401 km (0.045 R)
• M16: 16,265,328 km (0.111 R)
• M17: 16,782,936 km (0.104 R)
• M18: 17,418,578 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 547.4

Radius: 8.4

Gravity: 7.76 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 3 AU - 3.28 AU

Year: 3650 Days

Day: 7 Hours

Environment

Temp: -198 °C

Axial Tilt: 144.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 30,809,257 km

• M1: 104,419 km (0.046 R)
• M2: 428,897 km (0.102 R)
• M3: 758,760 km (0.075 R)
• M4: 1,335,610 km (0.065 R)
• M5: 1,779,915 km (0.116 R)
• M6: 3,157,413 km (0.044 R)
• M7: 3,805,620 km (0.056 R)
• M8: 5,062,691 km (0.114 R)
• M9: 8,545,030 km (0.105 R)
• M10: 11,211,612 km (0.081 R)
• M11: 16,755,261 km (0.047 R)
• M12: 18,235,382 km (0.116 R)
• M13: 19,188,470 km (0.081 R)
• M14: 22,246,699 km (0.073 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 855.1

Radius: 10.4

Gravity: 7.91 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 3.05 AU - 4.29 AU

Year: 4612 Days

Day: 14.9 Hours

Environment

Temp: -216 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 30,809,257 km

• M1: 129,552 km (0.113 R)
• M2: 460,462 km (0.095 R)
• M3: 802,892 km (0.077 R)
• M4: 1,172,847 km (0.062 R)
• M5: 1,773,184 km (0.107 R)
• M6: 2,689,620 km (0.101 R)
• M7: 3,672,927 km (0.107 R)
• M8: 4,393,540 km (0.092 R)
• M9: 5,233,682 km (0.084 R)
• M10: 6,462,478 km (0.071 R)
• M11: 6,957,049 km (0.113 R)
• M12: 7,512,207 km (0.065 R)
• M13: 9,564,839 km (0.103 R)
• M14: 10,120,595 km (0.093 R)
• M15: 10,697,744 km (0.075 R)
• M16: 11,532,949 km (0.111 R)
• M17: 13,438,227 km (0.104 R)
• M18: 14,576,817 km (0.115 R)
• M19: 16,253,360 km (0.084 R)
• M20: 18,508,997 km (0.113 R)
• M21: 19,037,227 km (0.064 R)
• M22: 21,757,664 km (0.081 R)
• M23: 22,644,480 km (0.07 R)
• M24: 24,175,614 km (0.102 R)
• M25: 28,477,899 km (0.116 R)
• M26: 29,093,495 km (0.071 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 279 - 17,307 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit