🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 45.3

Radius: 11.8

Gravity: 0.33 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.57 AU - 0.93 AU

Year: 448 Days

Day: 8.1 Hours

Environment

Temp: -170 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 30,000,939 km

• M1: 146,905 km (0.073 R)
• M2: 602,431 km (0.098 R)
• M3: 1,067,231 km (0.111 R)
• M4: 1,583,942 km (0.109 R)
• M5: 2,032,437 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 211.1

Radius: 12

Gravity: 1.47 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 2.84 AU - 2.92 AU

Year: 3374 Days

Day: 7 Hours

Environment

Temp: -205 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 30,000,939 km

• M1: 149,747 km (0.096 R)
• M2: 540,198 km (0.108 R)
• M3: 968,796 km (0.071 R)
• M4: 1,565,392 km (0.093 R)
• M5: 1,988,904 km (0.103 R)
• M6: 2,529,102 km (0.111 R)
• M7: 3,027,412 km (0.114 R)
• M8: 3,870,995 km (0.106 R)
• M9: 5,254,625 km (0.074 R)
• M10: 9,393,400 km (0.068 R)
• M11: 10,207,661 km (0.118 R)
• M12: 10,776,283 km (0.118 R)
• M13: 11,937,910 km (0.059 R)
• M14: 13,770,484 km (0.105 R)
• M15: 15,366,244 km (0.042 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 470.8

Radius: 12.5

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 3.47 AU - 4.17 AU

Year: 5154 Days

Day: 9 Hours

Environment

Temp: -223 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 30,000,939 km

• M1: 155,731 km (0.088 R)
• M2: 614,398 km (0.089 R)
• M3: 1,162,824 km (0.062 R)
• M4: 4,157,624 km (0.097 R)
• M5: 4,702,609 km (0.079 R)
• M6: 6,567,496 km (0.114 R)
• M7: 7,683,197 km (0.12 R)
• M8: 8,323,177 km (0.105 R)
• M9: 9,309,775 km (0.108 R)
• M10: 10,457,938 km (0.09 R)
• M11: 11,022,222 km (0.113 R)
• M12: 11,790,556 km (0.077 R)
• M13: 12,497,855 km (0.108 R)
• M14: 14,898,751 km (0.092 R)
• M15: 17,112,500 km (0.087 R)
• M16: 19,929,877 km (0.073 R)
• M17: 22,325,089 km (0.08 R)
• M18: 22,970,753 km (0.11 R)
• M19: 24,450,126 km (0.116 R)
• M20: 25,992,181 km (0.115 R)
• M21: 26,626,925 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 475.8

Radius: 8.1

Gravity: 7.25 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 3.34 AU - 5.06 AU

Year: 5941 Days

Day: 8.1 Hours

Environment

Temp: -219 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 30,000,939 km

• M1: 102,774 km (0.085 R)
• M2: 419,173 km (0.049 R)
• M3: 807,529 km (0.033 R)
• M4: 1,627,625 km (0.099 R)
• M5: 1,971,550 km (0.111 R)
• M6: 2,595,972 km (0.104 R)
• M7: 3,749,222 km (0.09 R)
• M8: 4,043,780 km (0.084 R)
• M9: 4,730,883 km (0.117 R)
• M10: 5,048,330 km (0.084 R)
• M11: 5,638,045 km (0.098 R)
• M12: 5,934,548 km (0.095 R)
• M13: 7,089,742 km (0.049 R)
• M14: 7,902,208 km (0.057 R)
• M15: 9,711,295 km (0.119 R)
• M16: 11,075,927 km (0.112 R)
• M17: 17,759,511 km (0.054 R)
• M18: 21,037,649 km (0.096 R)
• M19: 22,707,012 km (0.075 R)
• M20: 25,494,320 km (0.116 R)
• M21: 29,377,431 km (0.098 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: 331 - 12,555 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit