🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.22

Radius: 0.55

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.48 AU - 0.58 AU

Year: 145 Days

Day: 39.7 Hours

Environment

Temp: 174 °C

Axial Tilt: 29.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.82

Radius: 1.88

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 0.54 AU - 0.58 AU

Year: 157 Days

Day: 27.7 Hours

Environment

Temp: 158 °C

Axial Tilt: 24 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 5

Radius: 1.9

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 0.54 AU - 0.66 AU

Year: 174 Days

Day: 21.9 Hours

Environment

Temp: 187 °C

Axial Tilt: 22.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 0.89 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.38

Radius: 1.41

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.7 AU - 1.08 AU

Year: 315 Days

Day: 34.5 Hours

Environment

Temp: 24 °C

Axial Tilt: 37.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 65,700,774 km

• M1: 90,507 km (0.087 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.46

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.53 AU - 2.01 AU

Year: 882 Days

Day: 44.6 Hours

Environment

Temp: -55 °C

Axial Tilt: 47.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.01 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 6.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 799.4

Radius: 14.6

Gravity: 3.75 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 5.95 AU - 6.53 AU

Year: 5841 Days

Day: 7.2 Hours

Environment

Temp: -153 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 65,700,774 km

• M1: 181,761 km (0.07 R)
• M2: 791,074 km (0.044 R)
• M3: 1,257,370 km (0.072 R)
• M4: 1,724,714 km (0.1 R)
• M5: 2,214,946 km (0.119 R)
• M6: 2,912,820 km (0.051 R)
• M7: 3,754,607 km (0.11 R)
• M8: 6,114,364 km (0.041 R)
• M9: 6,885,840 km (0.053 R)
• M10: 7,571,447 km (0.108 R)
• M11: 8,787,678 km (0.066 R)
• M12: 9,639,189 km (0.101 R)
• M13: 19,383,546 km (0.116 R)
• M14: 21,123,818 km (0.091 R)
• M15: 22,108,770 km (0.039 R)
• M16: 24,913,431 km (0.055 R)
• M17: 25,756,415 km (0.111 R)
• M18: 26,705,763 km (0.083 R)
• M19: 29,413,335 km (0.071 R)
• M20: 33,708,589 km (0.095 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 257.2

Radius: 13.6

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 8.28 AU - 9.14 AU

Year: 9633 Days

Day: 9.5 Hours

Environment

Temp: -177 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 65,700,774 km

• M1: 169,195 km (0.114 R)
• M2: 851,960 km (0.064 R)
• M3: 2,800,323 km (0.09 R)
• M4: 3,351,142 km (0.08 R)
• M5: 3,997,704 km (0.065 R)
• M6: 5,165,315 km (0.118 R)
• M7: 7,061,468 km (0.106 R)
• M8: 8,090,103 km (0.119 R)
• M9: 9,513,527 km (0.099 R)
• M10: 10,038,316 km (0.065 R)
• M11: 10,490,251 km (0.082 R)
• M12: 15,134,667 km (0.118 R)
• M13: 17,159,025 km (0.099 R)
• M14: 18,876,559 km (0.097 R)
• M15: 19,636,665 km (0.041 R)
• M16: 20,059,878 km (0.065 R)
• M17: 24,715,513 km (0.116 R)
• M18: 31,178,291 km (0.06 R)
• M19: 32,633,130 km (0.116 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 294.9

Radius: 7.5

Gravity: 5.24 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 11.52 AU - 14.84 AU

Year: 17931 Days

Day: 19.6 Hours

Environment

Temp: -200 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 65,700,774 km

• M1: 93,349 km (0.079 R)
• M2: 750,533 km (0.118 R)
• M3: 2,302,162 km (0.102 R)
• M4: 3,583,467 km (0.117 R)
• M5: 4,920,274 km (0.073 R)
• M6: 5,249,988 km (0.116 R)
• M7: 6,879,707 km (0.053 R)
• M8: 9,258,911 km (0.067 R)
• M9: 10,073,173 km (0.098 R)
• M10: 10,660,045 km (0.083 R)
• M11: 12,078,532 km (0.079 R)
• M12: 12,436,819 km (0.079 R)
• M13: 14,006,849 km (0.079 R)
• M14: 14,336,114 km (0.074 R)
• M15: 15,216,048 km (0.112 R)
• M16: 24,533,153 km (0.102 R)
• M17: 32,039,526 km (0.113 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 204.3

Radius: 6.9

Gravity: 4.29 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 15.59 AU - 21.05 AU

Year: 29384 Days

Day: 17.1 Hours

Environment

Temp: -208 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 65,700,774 km

• M1: 86,468 km (0.108 R)
• M2: 339,737 km (0.098 R)
• M3: 579,841 km (0.114 R)
• M4: 2,619,459 km (0.086 R)
• M5: 2,972,061 km (0.06 R)
• M6: 3,657,818 km (0.116 R)
• M7: 4,741,654 km (0.06 R)
• M8: 6,430,913 km (0.067 R)
• M9: 9,854,311 km (0.106 R)
• M10: 10,246,557 km (0.082 R)
• M11: 11,608,795 km (0.113 R)
• M12: 13,020,999 km (0.067 R)
• M13: 14,688,117 km (0.095 R)
• M14: 15,497,741 km (0.068 R)
• M15: 17,774,621 km (0.117 R)
• M16: 18,022,355 km (0.074 R)
• M17: 18,778,871 km (0.057 R)
• M18: 19,908,933 km (0.089 R)
• M19: 20,808,465 km (0.104 R)
• M20: 21,453,980 km (0.081 R)
• M21: 23,769,157 km (0.068 R)
• M22: 25,927,106 km (0.099 R)
• M23: 30,275,168 km (0.111 R)
• M24: 35,345,190 km (0.099 R)
• M25: 39,956,394 km (0.101 R)
• M26: 41,675,124 km (0.033 R)
• M27: 52,523,962 km (0.048 R)
• M28: 57,775,595 km (0.044 R)
• M29: 60,714,745 km (0.08 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 380 - 12,749 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit