🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.4

Radius: 0.69

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 0.52 AU - 0.6 AU

Year: 153 Days

Day: 27.7 Hours

Environment

Temp: 190 °C

Axial Tilt: 54.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 86,416,595 km

• M1: 34,707 km (0.116 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.66

Radius: 0.85

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.57 AU - 0.81 AU

Year: 209 Days

Day: 35.1 Hours

Environment

Temp: 209 °C

Axial Tilt: 10.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.66

Radius: 1.48

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 0.82 AU - 1.12 AU

Year: 349 Days

Day: 32.6 Hours

Environment

Temp: 31 °C

Axial Tilt: 27.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.22 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.33

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 1.09 AU - 1.35 AU

Year: 492 Days

Day: 47.3 Hours

Environment

Temp: -8 °C

Axial Tilt: 9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Asteroid Belt

Center: 2.63 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Terrestrial

Semi-Major Axis: 4.03 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.43

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 3.55 AU - 4.51 AU

Year: 2955 Days

Day: 43.1 Hours

Environment

Temp: -125 °C

Axial Tilt: 67.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 86,416,595 km

• M1: 3,731,420 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 334.6

Radius: 8.3

Gravity: 4.86 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 3.96 AU - 5.78 AU

Year: 3925 Days

Day: 13 Hours

Environment

Temp: -134 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 86,416,595 km

• M1: 106,813 km (0.039 R)
• M2: 433,235 km (0.109 R)
• M3: 744,549 km (0.083 R)
• M4: 1,165,068 km (0.114 R)
• M5: 2,063,104 km (0.039 R)
• M6: 2,560,218 km (0.053 R)
• M7: 3,851,696 km (0.099 R)
• M8: 4,387,406 km (0.065 R)
• M9: 5,761,313 km (0.095 R)
• M10: 8,597,539 km (0.09 R)
• M11: 8,907,057 km (0.077 R)
• M12: 9,188,451 km (0.053 R)
• M13: 12,954,727 km (0.089 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 726.1

Radius: 10.8

Gravity: 6.23 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 5.77 AU - 6.93 AU

Year: 5845 Days

Day: 15 Hours

Environment

Temp: -143 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 86,416,595 km

• M1: 134,339 km (0.068 R)
• M2: 516,711 km (0.088 R)
• M3: 857,645 km (0.094 R)
• M4: 1,302,549 km (0.074 R)
• M5: 1,789,041 km (0.083 R)
• M6: 2,215,694 km (0.105 R)
• M7: 2,839,966 km (0.038 R)
• M8: 3,667,392 km (0.096 R)
• M9: 4,362,573 km (0.094 R)
• M10: 5,374,603 km (0.106 R)
• M11: 5,951,751 km (0.077 R)
• M12: 6,370,326 km (0.039 R)
• M13: 6,947,176 km (0.071 R)
• M14: 7,302,470 km (0.076 R)
• M15: 7,972,968 km (0.111 R)
• M16: 8,482,349 km (0.118 R)
• M17: 10,006,901 km (0.049 R)
• M18: 11,957,208 km (0.106 R)
• M19: 12,835,797 km (0.084 R)
• M20: 17,297,553 km (0.076 R)
• M21: 18,692,104 km (0.044 R)
• M22: 19,592,085 km (0.11 R)
• M23: 22,853,468 km (0.108 R)
• M24: 23,483,126 km (0.119 R)
• M25: 24,694,719 km (0.086 R)
• M26: 25,107,759 km (0.066 R)
• M27: 25,525,286 km (0.064 R)
• M28: 28,489,119 km (0.1 R)
• M29: 31,192,353 km (0.108 R)
• M30: 33,253,512 km (0.066 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 632.3

Radius: 4.3

Gravity: 34.2 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 13.98 AU - 19.66 AU

Year: 25196 Days

Day: 19 Hours

Environment

Temp: -190 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 86,416,595 km

• M1: 53,556 km (0.047 R)
• M2: 448,494 km (0.028 R)
• M3: 600,336 km (0.112 R)
• M4: 1,990,250 km (0.109 R)
• M5: 2,479,734 km (0.112 R)
• M6: 3,213,811 km (0.044 R)
• M7: 4,755,118 km (0.116 R)
• M8: 5,580,749 km (0.113 R)
• M9: 5,790,634 km (0.087 R)
• M10: 6,226,114 km (0.115 R)
• M11: 6,590,085 km (0.084 R)
• M12: 7,260,733 km (0.045 R)
• M13: 8,296,249 km (0.107 R)
• M14: 8,680,865 km (0.098 R)
• M15: 9,544,943 km (0.062 R)
• M16: 10,213,944 km (0.095 R)
• M17: 13,204,256 km (0.076 R)
• M18: 13,427,157 km (0.112 R)
• M19: 14,897,554 km (0.12 R)
• M20: 15,713,012 km (0.05 R)
• M21: 18,245,405 km (0.087 R)
• M22: 18,989,056 km (0.105 R)
• M23: 24,657,469 km (0.115 R)
• M24: 26,144,771 km (0.111 R)
• M25: 30,963,767 km (0.025 R)
• M26: 32,557,733 km (0.085 R)
• M27: 34,066,128 km (0.084 R)
• M28: 40,098,812 km (0.078 R)
• M29: 41,353,339 km (0.113 R)
• M30: 42,795,762 km (0.065 R)
• M31: 48,724,326 km (0.059 R)
• M32: 49,434,766 km (0.107 R)
• M33: 49,792,604 km (0.042 R)
• M34: 54,032,657 km (0.108 R)
• M35: 55,949,005 km (0.093 R)
• M36: 63,012,119 km (0.093 R)
• M37: 72,935,993 km (0.083 R)
• M38: 73,399,746 km (0.098 R)
• M39: 74,333,088 km (0.079 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 298 - 11,880 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit