🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.29

Radius: 0.61

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 0.84 AU - 0.98 AU

Year: 331 Days

Day: 23.6 Hours

Environment

Temp: 8 °C

Axial Tilt: 40 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.69

Radius: 1.69

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.98 AU - 1.12 AU

Year: 410 Days

Day: 18.7 Hours

Environment

Temp: 0 °C

Axial Tilt: 13 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 72,269,369 km

• M1: 74,500 km (0.113 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.18 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.67

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 1.07 AU - 1.29 AU

Year: 488 Days

Day: 22.5 Hours

Environment

Temp: -13 °C

Axial Tilt: 32.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 72,269,369 km

• M1: 43,084 km (0.071 R)
• M2: 945,907 km (0.11 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.08

Radius: 1.34

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.77 AU - 2.31 AU

Year: 1110 Days

Day: 13.2 Hours

Environment

Temp: -92 °C

Axial Tilt: 47.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.84

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 1.89 AU - 2.39 AU

Year: 1192 Days

Day: 32.5 Hours

Environment

Temp: -82 °C

Axial Tilt: 48 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 72,269,369 km

• M1: 52,658 km (0.027 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.49 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.51

Radius: 0.76

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 3.18 AU - 3.8 AU

Year: 2483 Days

Day: 36.5 Hours

Environment

Temp: -121 °C

Axial Tilt: 25.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.97 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 8.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 348.3

Radius: 14.6

Gravity: 1.63 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 7.68 AU - 9.22 AU

Year: 9354 Days

Day: 13.6 Hours

Environment

Temp: -173 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 72,269,369 km

• M1: 185,053 km (0.088 R)
• M2: 922,420 km (0.069 R)
• M3: 1,513,930 km (0.063 R)
• M4: 2,917,757 km (0.091 R)
• M5: 3,543,824 km (0.111 R)
• M6: 5,039,803 km (0.089 R)
• M7: 6,575,724 km (0.09 R)
• M8: 7,359,318 km (0.101 R)
• M9: 18,683,727 km (0.095 R)
• M10: 21,761,703 km (0.11 R)
• M11: 27,528,402 km (0.093 R)
• M12: 30,810,429 km (0.089 R)
• M13: 33,824,378 km (0.101 R)
• M14: 36,481,984 km (0.104 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 995

Radius: 5.4

Gravity: 34.12 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 14.63 AU - 19.79 AU

Year: 27187 Days

Day: 23.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 72,269,369 km

• M1: 67,169 km (0.099 R)
• M2: 541,843 km (0.07 R)
• M3: 815,159 km (0.102 R)
• M4: 1,207,853 km (0.084 R)
• M5: 1,903,184 km (0.046 R)
• M6: 4,915,936 km (0.057 R)
• M7: 6,530,695 km (0.07 R)
• M8: 6,881,352 km (0.116 R)
• M9: 8,646,308 km (0.064 R)
• M10: 9,632,906 km (0.101 R)
• M11: 11,464,433 km (0.073 R)
• M12: 14,002,959 km (0.039 R)
• M13: 15,098,315 km (0.047 R)
• M14: 19,432,464 km (0.1 R)
• M15: 23,468,764 km (0.097 R)
• M16: 23,818,674 km (0.085 R)
• M17: 25,991,284 km (0.112 R)
• M18: 29,088,708 km (0.07 R)
• M19: 34,783,001 km (0.025 R)
• M20: 38,210,587 km (0.041 R)
• M21: 39,675,450 km (0.06 R)
• M22: 42,371,203 km (0.114 R)
• M23: 45,909,642 km (0.092 R)
• M24: 47,378,394 km (0.083 R)
• M25: 60,273,730 km (0.074 R)
• M26: 63,150,796 km (0.086 R)
• M27: 74,566,161 km (0.112 R)
• M28: 83,705,544 km (0.073 R)
• M29: 93,271,430 km (0.092 R)
• M30: 104,166,793 km (0.101 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 266.8

Radius: 7.4

Gravity: 4.87 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 14.76 AU - 21.72 AU

Year: 29664 Days

Day: 24.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 72,269,369 km

• M1: 92,302 km (0.104 R)
• M2: 398,828 km (0.088 R)
• M3: 732,282 km (0.096 R)
• M4: 970,142 km (0.082 R)
• M5: 1,247,048 km (0.085 R)
• M6: 1,852,321 km (0.094 R)
• M7: 2,099,905 km (0.098 R)
• M8: 2,347,939 km (0.113 R)
• M9: 2,709,517 km (0.12 R)
• M10: 3,990,374 km (0.093 R)
• M11: 5,632,809 km (0.086 R)
• M12: 6,409,521 km (0.05 R)
• M13: 7,443,092 km (0.119 R)
• M14: 8,275,455 km (0.102 R)
• M15: 10,066,142 km (0.095 R)
• M16: 12,364,414 km (0.09 R)
• M17: 12,632,194 km (0.115 R)
• M18: 14,174,697 km (0.106 R)
• M19: 16,154,775 km (0.083 R)
• M20: 18,053,920 km (0.118 R)
• M21: 23,802,966 km (0.114 R)
• M22: 25,490,879 km (0.057 R)
• M23: 28,054,986 km (0.105 R)
• M24: 28,634,379 km (0.107 R)
• M25: 30,298,954 km (0.106 R)
• M26: 36,358,266 km (0.083 R)
• M27: 36,632,629 km (0.082 R)
• M28: 41,362,166 km (0.107 R)
• M29: 45,046,612 km (0.091 R)
• M30: 47,294,020 km (0.108 R)
• M31: 49,111,335 km (0.095 R)
• M32: 50,122,019 km (0.115 R)
• M33: 52,709,314 km (0.114 R)
• M34: 53,414,069 km (0.08 R)
• M35: 61,975,107 km (0.114 R)
• M36: 65,357,066 km (0.109 R)
• M37: 66,579,430 km (0.089 R)
• M38: 69,280,120 km (0.116 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 278 - 12,351 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit