🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 672.6

Radius: 9.6

Gravity: 7.3 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 0.59 AU - 0.75 AU

Year: 372 Days

Day: 5.3 Hours

Environment

Temp: -148 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 67,114,451 km

• M1: 119,678 km (0.093 R)
• M2: 429,645 km (0.109 R)
• M3: 729,888 km (0.068 R)
• M4: 1,085,482 km (0.089 R)
• M5: 1,839,007 km (0.088 R)
• M6: 3,431,626 km (0.059 R)
• M7: 3,927,692 km (0.052 R)
• M8: 4,306,923 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 499.9

Radius: 11.5

Gravity: 3.78 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.97 AU - 1.37 AU

Year: 858 Days

Day: 6.2 Hours

Environment

Temp: -179 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 67,114,451 km

• M1: 143,464 km (0.105 R)
• M2: 534,513 km (0.111 R)
• M3: 930,798 km (0.087 R)
• M4: 1,351,168 km (0.094 R)
• M5: 1,720,525 km (0.088 R)
• M6: 2,197,144 km (0.089 R)
• M7: 2,581,461 km (0.096 R)
• M8: 3,147,539 km (0.113 R)
• M9: 4,449,041 km (0.065 R)
• M10: 6,140,394 km (0.081 R)
• M11: 6,868,487 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 526.4

Radius: 13.7

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 1.15 AU - 1.89 AU

Year: 1271 Days

Day: 6.1 Hours

Environment

Temp: -202 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 67,114,451 km

• M1: 170,392 km (0.096 R)
• M2: 715,078 km (0.116 R)
• M3: 1,146,518 km (0.108 R)
• M4: 1,577,809 km (0.118 R)
• M5: 2,590,437 km (0.11 R)
• M6: 3,606,655 km (0.095 R)
• M7: 4,081,778 km (0.103 R)
• M8: 4,762,448 km (0.113 R)
• M9: 5,497,423 km (0.09 R)
• M10: 5,999,772 km (0.065 R)
• M11: 6,464,423 km (0.038 R)
• M12: 7,218,995 km (0.038 R)
• M13: 8,031,461 km (0.106 R)
• M14: 8,735,917 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 978.9

Radius: 10.5

Gravity: 8.88 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 2.26 AU - 3.34 AU

Year: 3178 Days

Day: 10.3 Hours

Environment

Temp: -204 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 67,114,451 km

• M1: 130,599 km (0.113 R)
• M2: 471,981 km (0.088 R)
• M3: 847,173 km (0.095 R)
• M4: 1,175,540 km (0.093 R)
• M5: 1,841,849 km (0.052 R)
• M6: 2,175,153 km (0.071 R)
• M7: 2,502,174 km (0.026 R)
• M8: 3,351,740 km (0.071 R)
• M9: 4,112,894 km (0.106 R)
• M10: 5,163,670 km (0.063 R)
• M11: 5,920,186 km (0.03 R)
• M12: 7,891,437 km (0.077 R)
• M13: 8,672,787 km (0.043 R)
• M14: 9,701,422 km (0.112 R)
• M15: 10,143,035 km (0.053 R)
• M16: 10,556,224 km (0.083 R)
• M17: 11,818,232 km (0.108 R)
• M18: 13,178,076 km (0.103 R)
• M19: 14,073,120 km (0.094 R)
• M20: 14,535,528 km (0.116 R)
• M21: 14,955,000 km (0.045 R)
• M22: 17,882,032 km (0.093 R)
• M23: 19,290,945 km (0.057 R)
• M24: 24,399,263 km (0.059 R)

Asteroid Belt

Center: 3.38 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 3.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 376.1

Radius: 14.9

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 3.22 AU - 4.68 AU

Year: 5325 Days

Day: 6.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 67,114,451 km

• M1: 186,698 km (0.083 R)
• M2: 753,375 km (0.112 R)
• M3: 1,409,810 km (0.066 R)
• M4: 1,923,978 km (0.035 R)
• M5: 2,628,584 km (0.116 R)
• M6: 3,197,056 km (0.066 R)
• M7: 3,826,414 km (0.111 R)
• M8: 5,363,084 km (0.093 R)
• M9: 7,248,017 km (0.106 R)
• M10: 9,117,242 km (0.109 R)
• M11: 10,727,963 km (0.103 R)
• M12: 14,145,675 km (0.112 R)
• M13: 16,073,543 km (0.072 R)
• M14: 16,868,805 km (0.117 R)
• M15: 17,630,558 km (0.085 R)
• M16: 18,723,071 km (0.062 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 348.5

Radius: 10.9

Gravity: 2.93 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 5.35 AU - 5.43 AU

Year: 8487 Days

Day: 8.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 67,114,451 km

• M1: 135,536 km (0.107 R)
• M2: 656,735 km (0.102 R)
• M3: 1,124,078 km (0.107 R)
• M4: 2,721,484 km (0.106 R)
• M5: 4,057,543 km (0.089 R)
• M6: 5,788,989 km (0.078 R)
• M7: 7,626,799 km (0.085 R)
• M8: 9,008,335 km (0.1 R)
• M9: 10,092,920 km (0.118 R)
• M10: 10,831,335 km (0.069 R)
• M11: 11,262,176 km (0.08 R)
• M12: 13,155,637 km (0.108 R)
• M13: 15,431,768 km (0.107 R)
• M14: 16,853,397 km (0.107 R)
• M15: 18,973,947 km (0.079 R)
• M16: 20,676,819 km (0.048 R)
• M17: 22,867,830 km (0.084 R)
• M18: 23,818,225 km (0.059 R)
• M19: 25,628,658 km (0.027 R)
• M20: 30,363,880 km (0.097 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 920.2

Radius: 3.9

Gravity: 60.5 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 7.5 AU - 7.76 AU

Year: 14295 Days

Day: 17.7 Hours

Environment

Temp: -235 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 67,114,451 km

• M1: 50,714 km (0.103 R)
• M2: 220,956 km (0.083 R)
• M3: 344,374 km (0.067 R)
• M4: 523,144 km (0.102 R)
• M5: 812,466 km (0.065 R)
• M6: 1,354,010 km (0.052 R)
• M7: 1,536,520 km (0.095 R)
• M8: 1,895,704 km (0.08 R)
• M9: 2,205,222 km (0.068 R)
• M10: 4,213,274 km (0.114 R)
• M11: 4,470,732 km (0.117 R)
• M12: 5,052,818 km (0.112 R)
• M13: 7,890,540 km (0.102 R)
• M14: 8,840,636 km (0.105 R)
• M15: 10,726,766 km (0.097 R)
• M16: 13,544,142 km (0.038 R)
• M17: 14,033,627 km (0.105 R)
• M18: 16,898,127 km (0.117 R)
• M19: 17,383,422 km (0.071 R)
• M20: 19,067,894 km (0.117 R)
• M21: 20,129,291 km (0.07 R)
• M22: 26,138,338 km (0.11 R)
• M23: 28,568,855 km (0.071 R)
• M24: 30,785,746 km (0.072 R)
• M25: 31,025,551 km (0.076 R)
• M26: 37,297,741 km (0.118 R)
• M27: 44,211,556 km (0.068 R)
• M28: 46,693,235 km (0.088 R)
• M29: 47,327,979 km (0.103 R)
• M30: 53,819,629 km (0.073 R)
• M31: 55,220,763 km (0.07 R)
• M32: 59,198,869 km (0.084 R)
• M33: 59,569,723 km (0.103 R)
• M34: 60,128,919 km (0.107 R)
• M35: 64,925,476 km (0.111 R)
• M36: 65,517,734 km (0.075 R)
• M37: 65,914,467 km (0.118 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 339 - 18,896 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit