🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.21

Radius: 0.54

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 0.46 AU - 0.62 AU

Year: 260 Days

Day: 34.7 Hours

Environment

Temp: -116 °C

Axial Tilt: 8.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.81 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 268.4

Radius: 13.4

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 1.07 AU - 1.07 AU

Year: 726 Days

Day: 6.5 Hours

Environment

Temp: -164 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 32,738,302 km

• M1: 166,652 km (0.102 R)
• M2: 669,002 km (0.049 R)
• M3: 1,143,825 km (0.118 R)
• M4: 1,782,309 km (0.069 R)
• M5: 2,773,245 km (0.074 R)
• M6: 3,611,143 km (0.098 R)
• M7: 5,322,243 km (0.045 R)
• M8: 6,015,929 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 347.8

Radius: 8.6

Gravity: 4.7 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 1.36 AU - 1.88 AU

Year: 1353 Days

Day: 6.7 Hours

Environment

Temp: -183 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 32,738,302 km

• M1: 106,962 km (0.094 R)
• M2: 502,200 km (0.102 R)
• M3: 877,691 km (0.112 R)
• M4: 1,383,332 km (0.068 R)
• M5: 1,756,578 km (0.109 R)
• M6: 2,031,988 km (0.068 R)
• M7: 2,494,395 km (0.085 R)
• M8: 3,283,374 km (0.103 R)
• M9: 3,797,093 km (0.085 R)
• M10: 5,483,959 km (0.095 R)
• M11: 5,786,745 km (0.099 R)
• M12: 6,626,587 km (0.101 R)
• M13: 6,900,800 km (0.076 R)
• M14: 7,398,811 km (0.067 R)
• M15: 7,744,083 km (0.108 R)
• M16: 8,048,515 km (0.033 R)
• M17: 8,573,753 km (0.097 R)
• M18: 9,037,955 km (0.073 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 287.2

Radius: 9.8

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1.63 AU - 2.01 AU

Year: 1611 Days

Day: 11.4 Hours

Environment

Temp: -190 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 32,738,302 km

• M1: 124,914 km (0.044 R)
• M2: 506,090 km (0.057 R)
• M3: 1,530,985 km (0.102 R)
• M4: 3,153,972 km (0.066 R)
• M5: 4,410,744 km (0.101 R)
• M6: 6,212,052 km (0.114 R)
• M7: 8,164,453 km (0.1 R)
• M8: 9,497,670 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 191

Radius: 14.1

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 2.95 AU - 3.27 AU

Year: 3598 Days

Day: 12.3 Hours

Environment

Temp: -209 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 32,738,302 km

• M1: 175,329 km (0.112 R)
• M2: 764,296 km (0.081 R)
• M3: 1,377,946 km (0.058 R)
• M4: 1,973,645 km (0.069 R)
• M5: 4,205,495 km (0.067 R)
• M6: 4,844,877 km (0.093 R)
• M7: 5,389,114 km (0.052 R)
• M8: 8,166,099 km (0.1 R)
• M9: 8,655,882 km (0.099 R)
• M10: 9,328,325 km (0.046 R)
• M11: 10,562,507 km (0.068 R)
• M12: 11,825,562 km (0.11 R)
• M13: 13,395,741 km (0.077 R)
• M14: 13,948,805 km (0.078 R)

Asteroid Belt

Center: 5 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 6.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 40.3

Radius: 5

Gravity: 1.61 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 5.7 AU - 8.08 AU

Year: 11864 Days

Day: 23 Hours

Environment

Temp: -223 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 32,738,302 km

• M1: 89,908 km (0.088 R)
• M2: 287,078 km (0.112 R)
• M3: 653,144 km (0.088 R)
• M4: 1,540,260 km (0.092 R)
• M5: 1,729,950 km (0.09 R)
• M6: 3,397,218 km (0.101 R)
• M7: 4,450,088 km (0.041 R)
• M8: 5,574,166 km (0.099 R)
• M9: 6,640,949 km (0.088 R)
• M10: 7,176,509 km (0.104 R)
• M11: 8,266,030 km (0.115 R)
• M12: 11,589,646 km (0.059 R)
• M13: 14,747,208 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 48.5

Radius: 3.6

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 9.8 AU - 10.5 AU

Year: 21213 Days

Day: 23.9 Hours

Environment

Temp: -238 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 32,738,302 km

• M1: 51,761 km (0.107 R)
• M2: 347,516 km (0.115 R)
• M3: 954,285 km (0.075 R)
• M4: 1,251,985 km (0.108 R)
• M5: 2,152,863 km (0.1 R)
• M6: 3,289,657 km (0.1 R)
• M7: 4,829,917 km (0.069 R)
• M8: 5,543,648 km (0.09 R)
• M9: 6,862,354 km (0.089 R)
• M10: 10,645,384 km (0.114 R)
• M11: 11,995,056 km (0.099 R)
• M12: 12,146,150 km (0.111 R)
• M13: 12,710,882 km (0.046 R)
• M14: 13,563,291 km (0.067 R)
• M15: 17,291,120 km (0.069 R)
• M16: 18,070,974 km (0.09 R)
• M17: 18,874,015 km (0.115 R)
• M18: 23,878,363 km (0.081 R)
• M19: 24,037,535 km (0.12 R)
• M20: 27,722,879 km (0.069 R)
• M21: 28,252,755 km (0.089 R)
• M22: 32,056,580 km (0.09 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 195 - 16,978 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit