🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.49

Radius: 0.75

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.42 AU - 0.6 AU

Year: 239 Days

Day: 45.2 Hours

Environment

Temp: -110 °C

Axial Tilt: 16.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.78 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 499.6

Radius: 8.7

Gravity: 6.6 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 0.96 AU - 1.12 AU

Year: 696 Days

Day: 12 Hours

Environment

Temp: -164 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 40,282,138 km

• M1: 108,309 km (0.111 R)
• M2: 478,414 km (0.082 R)
• M3: 794,514 km (0.12 R)
• M4: 1,370,915 km (0.119 R)
• M5: 2,359,158 km (0.099 R)
• M6: 3,057,631 km (0.099 R)
• M7: 3,378,219 km (0.065 R)
• M8: 4,370,053 km (0.103 R)
• M9: 6,292,685 km (0.043 R)
• M10: 7,212,861 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 921.6

Radius: 11.9

Gravity: 6.51 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 1.82 AU - 3 AU

Year: 2454 Days

Day: 11.3 Hours

Environment

Temp: -201 °C

Axial Tilt: 45.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 40,282,138 km

• M1: 148,102 km (0.101 R)
• M2: 518,357 km (0.089 R)
• M3: 1,141,282 km (0.056 R)
• M4: 1,938,489 km (0.111 R)
• M5: 2,313,681 km (0.104 R)
• M6: 3,445,389 km (0.088 R)
• M7: 4,399,374 km (0.105 R)
• M8: 5,200,321 km (0.117 R)
• M9: 5,700,128 km (0.082 R)
• M10: 6,738,636 km (0.083 R)
• M11: 7,519,238 km (0.08 R)
• M12: 10,379,549 km (0.107 R)
• M13: 10,851,680 km (0.081 R)
• M14: 12,706,843 km (0.112 R)
• M15: 13,897,941 km (0.062 R)
• M16: 18,540,562 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 692.8

Radius: 13.5

Gravity: 3.8 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 2.75 AU - 2.77 AU

Year: 3008 Days

Day: 8.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 40,282,138 km

• M1: 167,998 km (0.088 R)
• M2: 648,507 km (0.03 R)
• M3: 1,167,761 km (0.088 R)
• M4: 1,907,822 km (0.045 R)
• M5: 2,613,026 km (0.091 R)
• M6: 3,340,670 km (0.065 R)
• M7: 4,984,900 km (0.119 R)
• M8: 5,450,748 km (0.089 R)
• M9: 6,026,550 km (0.116 R)
• M10: 6,556,276 km (0.095 R)
• M11: 7,270,008 km (0.047 R)
• M12: 8,335,145 km (0.104 R)
• M13: 8,782,442 km (0.11 R)
• M14: 9,428,256 km (0.103 R)
• M15: 11,389,933 km (0.119 R)
• M16: 12,735,267 km (0.113 R)
• M17: 20,774,955 km (0.099 R)
• M18: 21,280,148 km (0.075 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 173.7

Radius: 9.5

Gravity: 1.92 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 2.35 AU - 3.53 AU

Year: 3307 Days

Day: 9.6 Hours

Environment

Temp: -208 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 40,282,138 km

• M1: 119,678 km (0.101 R)
• M2: 735,124 km (0.115 R)
• M3: 1,670,111 km (0.077 R)
• M4: 2,346,592 km (0.119 R)
• M5: 3,242,085 km (0.087 R)
• M6: 4,125,012 km (0.075 R)
• M7: 6,662,341 km (0.069 R)
• M8: 8,556,400 km (0.06 R)
• M9: 11,360,313 km (0.056 R)
• M10: 11,655,918 km (0.12 R)
• M11: 12,849,859 km (0.097 R)
• M12: 14,250,992 km (0.103 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 391.8

Radius: 13.6

Gravity: 2.12 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 3.88 AU - 5.7 AU

Year: 6877 Days

Day: 10.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 48.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 40,282,138 km

• M1: 169,195 km (0.05 R)
• M2: 611,556 km (0.075 R)
• M3: 1,105,528 km (0.11 R)
• M4: 1,571,974 km (0.093 R)
• M5: 2,997,343 km (0.107 R)
• M6: 3,557,587 km (0.104 R)
• M7: 4,380,375 km (0.062 R)
• M8: 5,187,605 km (0.077 R)
• M9: 9,863,436 km (0.079 R)
• M10: 11,157,458 km (0.118 R)
• M11: 11,869,693 km (0.093 R)
• M12: 14,520,568 km (0.088 R)
• M13: 15,026,358 km (0.097 R)
• M14: 16,798,046 km (0.107 R)
• M15: 17,355,747 km (0.112 R)
• M16: 23,865,199 km (0.11 R)
• M17: 24,729,276 km (0.051 R)
• M18: 27,022,611 km (0.109 R)
• M19: 29,187,293 km (0.115 R)
• M20: 30,631,810 km (0.102 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 613.5

Radius: 14.4

Gravity: 2.96 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 4.2 AU - 6.52 AU

Year: 8141 Days

Day: 6 Hours

Environment

Temp: -224 °C

Axial Tilt: 167.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 40,282,138 km

• M1: 179,517 km (0.111 R)
• M2: 673,340 km (0.068 R)
• M3: 1,727,706 km (0.106 R)
• M4: 2,379,653 km (0.025 R)
• M5: 4,082,526 km (0.095 R)
• M6: 5,222,162 km (0.108 R)
• M7: 7,146,589 km (0.098 R)
• M8: 7,763,381 km (0.092 R)
• M9: 10,495,936 km (0.109 R)
• M10: 14,899,350 km (0.083 R)
• M11: 15,715,855 km (0.099 R)
• M12: 19,801,672 km (0.102 R)
• M13: 24,203,888 km (0.072 R)
• M14: 26,044,391 km (0.062 R)
• M15: 29,122,816 km (0.09 R)
• M16: 30,799,808 km (0.057 R)
• M17: 33,701,109 km (0.099 R)
• M18: 35,659,644 km (0.114 R)
• M19: 36,667,037 km (0.102 R)
• M20: 38,271,474 km (0.084 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 549 - 18,490 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit