🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 779.6

Radius: 10.1

Gravity: 7.64 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 0.49 AU - 0.53 AU

Year: 247 Days

Day: 10 Hours

Environment

Temp: -140 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 28,384,021 km

• M1: 125,662 km (0.063 R)
• M2: 444,006 km (0.072 R)
• M3: 763,548 km (0.101 R)
• M4: 1,256,772 km (0.109 R)
• M5: 1,587,533 km (0.034 R)
• M6: 2,195,349 km (0.118 R)
• M7: 2,628,584 km (0.05 R)
• M8: 3,920,063 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 756.9

Radius: 13.5

Gravity: 4.15 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.52 AU - 0.76 AU

Year: 347 Days

Day: 5.9 Hours

Environment

Temp: -157 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 28,384,021 km

• M1: 170,990 km (0.046 R)
• M2: 661,671 km (0.114 R)
• M3: 1,321,398 km (0.077 R)
• M4: 2,122,046 km (0.103 R)
• M5: 2,610,034 km (0.117 R)
• M6: 3,865,908 km (0.107 R)
• M7: 4,546,279 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 441.6

Radius: 15

Gravity: 1.96 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.7 AU - 1.04 AU

Year: 550 Days

Day: 10.2 Hours

Environment

Temp: -171 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 28,384,021 km

• M1: 186,698 km (0.12 R)
• M2: 719,117 km (0.103 R)
• M3: 1,360,593 km (0.099 R)
• M4: 1,940,284 km (0.05 R)
• M5: 2,625,742 km (0.051 R)
• M6: 3,192,119 km (0.106 R)
• M7: 4,446,498 km (0.065 R)
• M8: 5,116,397 km (0.117 R)
• M9: 5,700,277 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 116.9

Radius: 8.1

Gravity: 1.78 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.96 AU - 1.5 AU

Year: 925 Days

Day: 12 Hours

Environment

Temp: -190 °C

Axial Tilt: 49.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 28,384,021 km

• M1: 100,679 km (0.099 R)
• M2: 382,223 km (0.104 R)
• M3: 1,312,422 km (0.104 R)
• M4: 1,816,567 km (0.085 R)
• M5: 2,272,691 km (0.092 R)
• M6: 2,643,694 km (0.109 R)
• M7: 3,208,426 km (0.103 R)
• M8: 3,484,284 km (0.059 R)
• M9: 3,763,434 km (0.12 R)
• M10: 4,149,995 km (0.078 R)

Asteroid Belt

Center: 2.35 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 3.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 692.8

Radius: 14.9

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 2.66 AU - 4.26 AU

Year: 4365 Days

Day: 11.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 28,384,021 km

• M1: 185,352 km (0.072 R)
• M2: 795,561 km (0.119 R)
• M3: 1,589,627 km (0.107 R)
• M4: 2,433,509 km (0.106 R)
• M5: 3,401,108 km (0.069 R)
• M6: 3,963,745 km (0.058 R)
• M7: 5,278,411 km (0.106 R)
• M8: 5,978,380 km (0.09 R)
• M9: 7,260,433 km (0.079 R)
• M10: 8,164,005 km (0.118 R)
• M11: 8,909,301 km (0.084 R)
• M12: 10,237,880 km (0.087 R)
• M13: 12,068,210 km (0.1 R)
• M14: 13,286,535 km (0.06 R)
• M15: 15,018,429 km (0.101 R)
• M16: 17,435,033 km (0.089 R)
• M17: 20,034,296 km (0.117 R)
• M18: 20,773,460 km (0.091 R)
• M19: 22,377,897 km (0.11 R)
• M20: 23,764,519 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 555.3

Radius: 12.7

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 2.97 AU - 4.25 AU

Year: 4652 Days

Day: 10.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 28,384,021 km

• M1: 158,574 km (0.06 R)
• M2: 584,778 km (0.114 R)
• M3: 1,225,057 km (0.111 R)
• M4: 1,716,037 km (0.118 R)
• M5: 2,737,491 km (0.089 R)
• M6: 3,354,283 km (0.074 R)
• M7: 5,833,868 km (0.086 R)
• M8: 11,914,274 km (0.048 R)
• M9: 13,012,771 km (0.076 R)
• M10: 16,025,373 km (0.054 R)
• M11: 17,422,916 km (0.096 R)
• M12: 18,648,422 km (0.107 R)
• M13: 19,930,476 km (0.075 R)
• M14: 23,906,787 km (0.107 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 513.3

Radius: 12.5

Gravity: 3.29 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 3.61 AU - 4.23 AU

Year: 5264 Days

Day: 11.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 28,384,021 km

• M1: 155,432 km (0.044 R)
• M2: 591,211 km (0.097 R)
• M3: 1,334,862 km (0.113 R)
• M4: 1,729,052 km (0.113 R)
• M5: 2,592,980 km (0.078 R)
• M6: 6,131,718 km (0.08 R)
• M7: 6,753,745 km (0.113 R)
• M8: 7,349,295 km (0.097 R)
• M9: 7,943,497 km (0.075 R)
• M10: 8,721,855 km (0.049 R)
• M11: 10,046,843 km (0.061 R)
• M12: 11,455,756 km (0.082 R)
• M13: 12,992,575 km (0.1 R)
• M14: 14,126,228 km (0.113 R)
• M15: 16,354,638 km (0.069 R)
• M16: 17,187,150 km (0.093 R)
• M17: 20,257,646 km (0.064 R)
• M18: 21,638,734 km (0.098 R)
• M19: 23,155,506 km (0.061 R)
• M20: 23,676,556 km (0.082 R)
• M21: 24,434,419 km (0.062 R)
• M22: 26,724,014 km (0.04 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 414 - 12,108 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit