🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.66

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.53 AU - 0.77 AU

Year: 197 Days

Day: 21.2 Hours

Environment

Temp: 155 °C

Axial Tilt: 13.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 67,414,773 km

• M1: 47,722 km (0.069 R)
• M2: 185,352 km (0.12 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.6

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 1.27 AU - 1.57 AU

Year: 637 Days

Day: 41.2 Hours

Environment

Temp: -41 °C

Axial Tilt: 9.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 67,414,773 km

• M1: 87,515 km (0.082 R)

Planet 3 - Terrestrial

Semi-Major Axis: 4.2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.53

Radius: 1.66

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 3.37 AU - 5.03 AU

Year: 3243 Days

Day: 21.5 Hours

Environment

Temp: -141 °C

Axial Tilt: 9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.27 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 6.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 55

Radius: 12.7

Gravity: 0.34 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 5.26 AU - 7.4 AU

Year: 6000 Days

Day: 12.2 Hours

Environment

Temp: -154 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 67,414,773 km

• M1: 169,644 km (0.101 R)
• M2: 685,607 km (0.087 R)
• M3: 2,348,986 km (0.097 R)
• M4: 3,116,273 km (0.089 R)
• M5: 4,534,611 km (0.032 R)
• M6: 5,842,246 km (0.118 R)
• M7: 7,251,308 km (0.057 R)
• M8: 13,687,158 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 420.4

Radius: 12.5

Gravity: 2.69 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 5.68 AU - 8.46 AU

Year: 7082 Days

Day: 10.5 Hours

Environment

Temp: -156 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 67,414,773 km

• M1: 155,582 km (0.082 R)
• M2: 600,635 km (0.119 R)
• M3: 1,152,652 km (0.083 R)
• M4: 1,572,274 km (0.064 R)
• M5: 2,155,556 km (0.116 R)
• M6: 2,698,446 km (0.035 R)
• M7: 3,563,870 km (0.049 R)
• M8: 5,115,200 km (0.07 R)
• M9: 6,537,726 km (0.089 R)
• M10: 7,043,217 km (0.104 R)
• M11: 9,886,026 km (0.101 R)
• M12: 10,282,759 km (0.09 R)
• M13: 13,048,973 km (0.047 R)
• M14: 15,381,354 km (0.11 R)
• M15: 16,832,453 km (0.059 R)
• M16: 17,335,850 km (0.066 R)
• M17: 18,241,067 km (0.094 R)
• M18: 19,657,609 km (0.098 R)
• M19: 20,428,188 km (0.069 R)
• M20: 23,557,177 km (0.061 R)
• M21: 30,284,593 km (0.081 R)
• M22: 30,842,593 km (0.05 R)
• M23: 31,312,630 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 537.7

Radius: 9.6

Gravity: 5.83 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 6.86 AU - 8.58 AU

Year: 8081 Days

Day: 14.6 Hours

Environment

Temp: -159 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 67,414,773 km

• M1: 119,828 km (0.077 R)
• M2: 458,517 km (0.081 R)
• M3: 932,144 km (0.065 R)
• M4: 1,258,567 km (0.058 R)
• M5: 1,596,060 km (0.065 R)
• M6: 2,184,727 km (0.069 R)
• M7: 3,223,984 km (0.105 R)
• M8: 4,757,511 km (0.104 R)
• M9: 5,975,238 km (0.069 R)
• M10: 6,481,777 km (0.093 R)
• M11: 7,090,191 km (0.036 R)
• M12: 8,297,147 km (0.049 R)
• M13: 9,189,348 km (0.089 R)
• M14: 10,003,759 km (0.096 R)
• M15: 10,865,593 km (0.105 R)
• M16: 11,467,126 km (0.1 R)
• M17: 11,985,183 km (0.05 R)
• M18: 14,692,306 km (0.104 R)
• M19: 18,197,085 km (0.109 R)
• M20: 20,442,250 km (0.101 R)
• M21: 25,214,572 km (0.074 R)
• M22: 26,268,638 km (0.11 R)
• M23: 27,535,134 km (0.107 R)
• M24: 28,747,176 km (0.115 R)
• M25: 30,779,762 km (0.107 R)
• M26: 34,484,104 km (0.079 R)
• M27: 35,782,165 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 311.2

Radius: 3.4

Gravity: 26.92 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 15.19 AU - 17.37 AU

Year: 24746 Days

Day: 16 Hours

Environment

Temp: -197 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 67,414,773 km

• M1: 42,486 km (0.105 R)
• M2: 180,265 km (0.046 R)
• M3: 589,416 km (0.085 R)
• M4: 769,531 km (0.079 R)
• M5: 1,339,051 km (0.075 R)
• M6: 1,807,292 km (0.066 R)
• M7: 2,784,914 km (0.079 R)
• M8: 3,566,712 km (0.098 R)
• M9: 5,899,542 km (0.038 R)
• M10: 6,948,223 km (0.098 R)
• M11: 7,539,733 km (0.113 R)
• M12: 9,298,405 km (0.11 R)
• M13: 9,460,869 km (0.088 R)
• M14: 10,243,714 km (0.082 R)
• M15: 11,374,076 km (0.039 R)
• M16: 13,461,265 km (0.081 R)
• M17: 14,020,312 km (0.055 R)
• M18: 21,319,941 km (0.054 R)
• M19: 24,980,002 km (0.096 R)
• M20: 25,929,500 km (0.092 R)
• M21: 26,143,724 km (0.052 R)
• M22: 31,646,532 km (0.105 R)
• M23: 33,007,873 km (0.119 R)
• M24: 41,857,035 km (0.093 R)
• M25: 45,486,729 km (0.084 R)
• M26: 52,162,982 km (0.054 R)
• M27: 53,885,003 km (0.1 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: 236 - 17,804 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit