🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.93 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.85 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.46

Radius: 1.64

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 1.85 AU - 1.85 AU

Year: 741 Days

Day: 22.3 Hours

Environment

Temp: 92 °C

Axial Tilt: 163.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.9 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.99

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 2.71 AU - 3.09 AU

Year: 1454 Days

Day: 35.6 Hours

Environment

Temp: -21 °C

Axial Tilt: 24.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 6.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.14

Radius: 1.05

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 5.25 AU - 7.25 AU

Year: 4599 Days

Day: 26.8 Hours

Environment

Temp: -102 °C

Axial Tilt: 2.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 76,069,267 km

• M1: 1,152,352 km (0.108 R)

Planet 4 - Terrestrial

Semi-Major Axis: 9.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.84

Radius: 1.28

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 8.14 AU - 9.98 AU

Year: 8026 Days

Day: 38.1 Hours

Environment

Temp: -120 °C

Axial Tilt: 125.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 76,069,267 km

• M1: 48,769 km (0.111 R)
• M2: 102,325 km (0.042 R)

Asteroid Belt

Center: 10.28 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 11.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 863.7

Radius: 14.2

Gravity: 4.28 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 8.9 AU - 14.08 AU

Year: 11463 Days

Day: 10.2 Hours

Environment

Temp: -142 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 76,069,267 km

• M1: 206,595 km (0.059 R)
• M2: 707,748 km (0.063 R)
• M3: 1,431,203 km (0.079 R)
• M4: 1,977,833 km (0.103 R)
• M5: 5,608,723 km (0.09 R)
• M6: 9,279,406 km (0.07 R)
• M7: 9,947,660 km (0.118 R)
• M8: 10,758,480 km (0.073 R)
• M9: 11,848,451 km (0.087 R)
• M10: 12,328,809 km (0.09 R)
• M11: 14,791,489 km (0.067 R)
• M12: 26,090,916 km (0.086 R)
• M13: 29,344,071 km (0.072 R)
• M14: 43,349,873 km (0.111 R)
• M15: 47,290,131 km (0.061 R)
• M16: 53,557,234 km (0.091 R)
• M17: 55,206,401 km (0.074 R)

Planet 6 - Gas Giant

Semi-Major Axis: 13.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 726.9

Radius: 8.6

Gravity: 9.83 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 11.66 AU - 16.18 AU

Year: 15286 Days

Day: 13.2 Hours

Environment

Temp: -146 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 76,069,267 km

• M1: 106,962 km (0.09 R)
• M2: 403,166 km (0.056 R)
• M3: 834,906 km (0.061 R)
• M4: 1,219,223 km (0.115 R)
• M5: 1,528,741 km (0.099 R)
• M6: 2,209,411 km (0.08 R)
• M7: 2,607,940 km (0.039 R)
• M8: 3,053,891 km (0.091 R)
• M9: 3,577,483 km (0.032 R)
• M10: 5,438,331 km (0.07 R)
• M11: 6,329,486 km (0.043 R)
• M12: 6,917,705 km (0.092 R)
• M13: 7,915,223 km (0.082 R)
• M14: 8,548,022 km (0.117 R)
• M15: 8,953,881 km (0.058 R)
• M16: 9,372,606 km (0.086 R)
• M17: 10,136,752 km (0.077 R)
• M18: 17,976,578 km (0.113 R)
• M19: 18,812,680 km (0.116 R)
• M20: 26,673,600 km (0.081 R)
• M21: 33,020,888 km (0.09 R)
• M22: 33,518,301 km (0.085 R)
• M23: 34,400,778 km (0.049 R)
• M24: 38,770,981 km (0.034 R)
• M25: 39,883,540 km (0.071 R)
• M26: 46,230,828 km (0.096 R)
• M27: 53,731,965 km (0.03 R)
• M28: 56,875,315 km (0.115 R)
• M29: 58,130,142 km (0.093 R)
• M30: 58,673,631 km (0.048 R)
• M31: 62,005,325 km (0.114 R)
• M32: 63,909,856 km (0.086 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 560.4

Radius: 3.9

Gravity: 36.84 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 13.87 AU - 21.73 AU

Year: 22103 Days

Day: 23.8 Hours

Environment

Temp: -158 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 76,069,267 km

• M1: 49,068 km (0.105 R)
• M2: 183,108 km (0.107 R)
• M3: 390,002 km (0.068 R)
• M4: 561,740 km (0.068 R)
• M5: 1,279,660 km (0.033 R)
• M6: 1,495,530 km (0.088 R)
• M7: 1,681,779 km (0.073 R)
• M8: 1,826,889 km (0.062 R)
• M9: 6,524,262 km (0.094 R)
• M10: 6,838,268 km (0.089 R)
• M11: 7,642,806 km (0.054 R)
• M12: 11,238,540 km (0.034 R)
• M13: 14,275,676 km (0.12 R)
• M14: 15,035,035 km (0.114 R)
• M15: 15,190,018 km (0.045 R)
• M16: 15,981,241 km (0.06 R)
• M17: 17,474,078 km (0.062 R)
• M18: 22,003,603 km (0.075 R)
• M19: 24,269,562 km (0.048 R)
• M20: 25,900,777 km (0.097 R)
• M21: 26,913,704 km (0.037 R)
• M22: 27,487,711 km (0.068 R)
• M23: 31,991,654 km (0.119 R)
• M24: 33,683,905 km (0.12 R)
• M25: 34,082,733 km (0.081 R)
• M26: 38,101,979 km (0.084 R)
• M27: 44,306,551 km (0.103 R)
• M28: 56,958,641 km (0.037 R)
• M29: 58,476,162 km (0.074 R)
• M30: 59,438,226 km (0.073 R)
• M31: 59,631,806 km (0.113 R)
• M32: 60,215,387 km (0.102 R)
• M33: 62,187,835 km (0.058 R)
• M34: 64,611,320 km (0.093 R)
• M35: 67,728,042 km (0.117 R)

Kuiper Belt

Range: 37.2 - 60.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 558 - 12,532 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit