🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.89 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.97

Radius: 1.31

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 0.87 AU - 0.91 AU

Year: 301 Days

Day: 19 Hours

Environment

Temp: 124 °C

Axial Tilt: 10.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.33 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.91

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 1.29 AU - 1.37 AU

Year: 549 Days

Day: 38.6 Hours

Environment

Temp: -5 °C

Axial Tilt: 22.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.39 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.29

Radius: 1.11

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 1.16 AU - 1.62 AU

Year: 587 Days

Day: 46.4 Hours

Environment

Temp: 11 °C

Axial Tilt: 13.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.44 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.04

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 1.2 AU - 1.68 AU

Year: 619 Days

Day: 21.4 Hours

Environment

Temp: -2 °C

Axial Tilt: 44.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 51,232,971 km

• M1: 92,152 km (0.095 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.74

Radius: 1.69

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 2.71 AU - 3.33 AU

Year: 1880 Days

Day: 19.3 Hours

Environment

Temp: -95 °C

Axial Tilt: 28 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.1

Radius: 0.4

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 4.06 AU - 5.4 AU

Year: 3684 Days

Day: 22.1 Hours

Environment

Temp: -131 °C

Axial Tilt: 39.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.88 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 9.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 291.8

Radius: 14.3

Gravity: 1.43 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 6.77 AU - 11.28 AU

Year: 9702 Days

Day: 6.2 Hours

Environment

Temp: -170 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 51,232,971 km

• M1: 177,872 km (0.104 R)
• M2: 788,830 km (0.054 R)
• M3: 1,609,523 km (0.084 R)
• M4: 2,496,938 km (0.12 R)
• M5: 3,852,594 km (0.048 R)
• M6: 4,495,266 km (0.064 R)
• M7: 5,623,982 km (0.105 R)
• M8: 6,420,591 km (0.089 R)
• M9: 7,511,608 km (0.11 R)
• M10: 8,199,908 km (0.052 R)
• M11: 10,060,756 km (0.084 R)
• M12: 12,501,296 km (0.091 R)
• M13: 13,304,636 km (0.114 R)
• M14: 13,859,345 km (0.049 R)
• M15: 14,313,973 km (0.073 R)
• M16: 16,931,786 km (0.073 R)
• M17: 19,146,433 km (0.052 R)
• M18: 21,322,035 km (0.089 R)
• M19: 24,971,026 km (0.115 R)
• M20: 28,012,650 km (0.104 R)
• M21: 30,235,974 km (0.077 R)
• M22: 32,375,223 km (0.079 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 791.7

Radius: 9.1

Gravity: 9.56 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 7.67 AU - 11.55 AU

Year: 10670 Days

Day: 7.6 Hours

Environment

Temp: -174 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 51,232,971 km

• M1: 113,545 km (0.052 R)
• M2: 578,046 km (0.06 R)
• M3: 972,087 km (0.114 R)
• M4: 1,600,248 km (0.104 R)
• M5: 2,137,006 km (0.101 R)
• M6: 2,811,243 km (0.116 R)
• M7: 3,222,189 km (0.036 R)
• M8: 3,646,747 km (0.11 R)
• M9: 5,115,499 km (0.102 R)
• M10: 5,624,431 km (0.103 R)
• M11: 7,106,647 km (0.112 R)
• M12: 7,960,252 km (0.094 R)
• M13: 11,265,019 km (0.102 R)
• M14: 16,375,881 km (0.079 R)
• M15: 18,167,465 km (0.093 R)
• M16: 19,110,530 km (0.086 R)
• M17: 19,513,097 km (0.12 R)
• M18: 20,086,057 km (0.032 R)
• M19: 22,047,884 km (0.055 R)
• M20: 23,394,115 km (0.064 R)
• M21: 31,735,692 km (0.082 R)
• M22: 37,813,854 km (0.115 R)
• M23: 39,349,027 km (0.098 R)
• M24: 41,728,980 km (0.082 R)
• M25: 42,270,674 km (0.108 R)
• M26: 44,343,651 km (0.076 R)
• M27: 45,333,840 km (0.069 R)
• M28: 49,745,032 km (0.114 R)

Planet 9 - Gas Giant

Semi-Major Axis: 10.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 544.4

Radius: 10.2

Gravity: 5.23 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 10.1 AU - 11.14 AU

Year: 12395 Days

Day: 14.8 Hours

Environment

Temp: -177 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 51,232,971 km

• M1: 162,912 km (0.106 R)
• M2: 586,723 km (0.077 R)
• M3: 915,838 km (0.088 R)
• M4: 2,117,857 km (0.077 R)
• M5: 2,531,196 km (0.097 R)
• M6: 2,975,651 km (0.111 R)
• M7: 3,832,697 km (0.111 R)
• M8: 5,365,328 km (0.068 R)
• M9: 5,708,356 km (0.11 R)
• M10: 6,515,137 km (0.081 R)
• M11: 7,230,215 km (0.092 R)
• M12: 8,040,886 km (0.102 R)
• M13: 8,445,398 km (0.064 R)
• M14: 10,676,501 km (0.095 R)
• M15: 11,276,538 km (0.045 R)
• M16: 13,904,374 km (0.106 R)
• M17: 17,135,539 km (0.113 R)
• M18: 17,958,476 km (0.102 R)
• M19: 23,823,910 km (0.114 R)
• M20: 25,805,633 km (0.087 R)
• M21: 29,137,925 km (0.063 R)
• M22: 30,094,304 km (0.117 R)
• M23: 38,638,886 km (0.062 R)
• M24: 46,052,508 km (0.067 R)
• M25: 47,059,152 km (0.07 R)
• M26: 48,522,668 km (0.072 R)
• M27: 50,167,197 km (0.051 R)

Kuiper Belt

Range: 30.6 - 49.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 427 - 18,368 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit