🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.72

Radius: 1.49

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.48 AU - 0.58 AU

Year: 142 Days

Day: 34.5 Hours

Environment

Temp: 188 °C

Axial Tilt: 43.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.88

Radius: 0.95

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.53 AU - 0.61 AU

Year: 158 Days

Day: 17.1 Hours

Environment

Temp: 171 °C

Axial Tilt: 7.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 45,311,050 km

• M1: 214,673 km (0.052 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.49

Radius: 1.17

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.54 AU - 0.78 AU

Year: 197 Days

Day: 27.5 Hours

Environment

Temp: 155 °C

Axial Tilt: 37.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.18

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 0.67 AU - 0.83 AU

Year: 238 Days

Day: 45.2 Hours

Environment

Temp: 114 °C

Axial Tilt: 35.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 5 - Terrestrial

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.74

Radius: 0.89

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 1.89 AU - 2.61 AU

Year: 1239 Days

Day: 35.1 Hours

Environment

Temp: -82 °C

Axial Tilt: 175.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 45,311,050 km

• M1: 124,465 km (0.056 R)
• M2: 454,478 km (0.037 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.81

Radius: 1.27

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 2.17 AU - 2.35 AU

Year: 1247 Days

Day: 46.9 Hours

Environment

Temp: -71 °C

Axial Tilt: 17.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 45,311,050 km

• M1: 43,982 km (0.09 R)
• M2: 1,140,534 km (0.116 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 647

Radius: 9.8

Gravity: 6.74 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 7.42 AU - 7.58 AU

Year: 7540 Days

Day: 7.5 Hours

Environment

Temp: -168 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 45,311,050 km

• M1: 121,922 km (0.062 R)
• M2: 645,515 km (0.12 R)
• M3: 1,234,631 km (0.071 R)
• M4: 1,844,841 km (0.12 R)
• M5: 2,626,191 km (0.116 R)
• M6: 3,951,777 km (0.102 R)
• M7: 4,336,992 km (0.113 R)
• M8: 5,273,774 km (0.112 R)
• M9: 6,002,615 km (0.033 R)
• M10: 7,126,693 km (0.111 R)
• M11: 8,385,559 km (0.087 R)
• M12: 10,787,652 km (0.117 R)
• M13: 12,441,756 km (0.075 R)
• M14: 12,825,025 km (0.103 R)
• M15: 18,980,978 km (0.11 R)
• M16: 20,609,351 km (0.108 R)
• M17: 26,318,903 km (0.118 R)
• M18: 31,260,569 km (0.097 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 814.9

Radius: 14.3

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 7.66 AU - 8.3 AU

Year: 8275 Days

Day: 14.7 Hours

Environment

Temp: -175 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 45,311,050 km

• M1: 177,872 km (0.049 R)
• M2: 1,519,017 km (0.115 R)
• M3: 2,073,277 km (0.103 R)
• M4: 3,118,068 km (0.098 R)
• M5: 3,649,290 km (0.051 R)
• M6: 5,170,850 km (0.084 R)
• M7: 7,356,176 km (0.028 R)
• M8: 13,409,205 km (0.116 R)
• M9: 20,853,046 km (0.072 R)
• M10: 21,419,124 km (0.065 R)
• M11: 28,836,785 km (0.098 R)
• M12: 31,294,827 km (0.034 R)
• M13: 39,258,670 km (0.085 R)
• M14: 41,760,395 km (0.109 R)

Planet 9 - Gas Giant

Semi-Major Axis: 9.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 457.8

Radius: 12.4

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 8.26 AU - 10.38 AU

Year: 10445 Days

Day: 9.3 Hours

Environment

Temp: -168 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 45,311,050 km

• M1: 154,235 km (0.114 R)
• M2: 569,669 km (0.079 R)
• M3: 2,176,499 km (0.083 R)
• M4: 2,588,342 km (0.115 R)
• M5: 3,293,696 km (0.054 R)
• M6: 3,717,058 km (0.025 R)
• M7: 4,420,767 km (0.109 R)
• M8: 5,273,774 km (0.049 R)
• M9: 6,233,444 km (0.107 R)
• M10: 6,960,789 km (0.116 R)
• M11: 7,582,817 km (0.114 R)
• M12: 8,498,206 km (0.071 R)
• M13: 9,439,476 km (0.074 R)
• M14: 15,025,461 km (0.057 R)
• M15: 16,333,096 km (0.103 R)
• M16: 16,876,884 km (0.076 R)
• M17: 20,711,077 km (0.113 R)
• M18: 23,855,924 km (0.039 R)
• M19: 25,180,463 km (0.079 R)
• M20: 29,548,721 km (0.106 R)
• M21: 30,972,444 km (0.098 R)
• M22: 33,518,749 km (0.099 R)
• M23: 34,842,840 km (0.06 R)
• M24: 40,242,874 km (0.109 R)
• M25: 42,244,793 km (0.069 R)

Planet 10 - Ice Giant

Semi-Major Axis: 15.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 114.2

Radius: 6.4

Gravity: 2.79 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 13.62 AU - 17.48 AU

Year: 22510 Days

Day: 15.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 108.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 45,311,050 km

• M1: 81,531 km (0.094 R)
• M2: 498,460 km (0.093 R)
• M3: 812,017 km (0.107 R)
• M4: 1,094,009 km (0.109 R)
• M5: 1,466,508 km (0.104 R)
• M6: 3,576,436 km (0.092 R)
• M7: 3,802,778 km (0.115 R)
• M8: 4,510,974 km (0.116 R)
• M9: 5,565,639 km (0.113 R)
• M10: 6,009,346 km (0.076 R)
• M11: 6,550,143 km (0.102 R)
• M12: 7,687,386 km (0.105 R)
• M13: 7,938,112 km (0.117 R)
• M14: 9,042,443 km (0.035 R)
• M15: 9,947,660 km (0.112 R)
• M16: 11,992,364 km (0.097 R)
• M17: 13,744,604 km (0.093 R)
• M18: 14,052,326 km (0.074 R)
• M19: 14,617,806 km (0.115 R)
• M20: 19,468,517 km (0.113 R)
• M21: 19,935,113 km (0.096 R)
• M22: 21,626,915 km (0.097 R)
• M23: 22,720,925 km (0.047 R)
• M24: 25,018,748 km (0.119 R)
• M25: 25,293,559 km (0.111 R)
• M26: 31,219,879 km (0.076 R)
• M27: 35,762,119 km (0.034 R)
• M28: 36,227,668 km (0.107 R)
• M29: 39,847,936 km (0.098 R)
• M30: 41,745,286 km (0.115 R)
• M31: 44,100,704 km (0.086 R)
• M32: 44,905,242 km (0.076 R)
• M33: 45,311,101 km (0.12 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 158 - 20,148 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit