🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 622.6

Radius: 10.2

Gravity: 5.98 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.42 AU - 0.62 AU

Year: 250 Days

Day: 7.9 Hours

Environment

Temp: -141 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 51,253,236 km

• M1: 127,607 km (0.083 R)
• M2: 454,329 km (0.047 R)
• M3: 936,483 km (0.108 R)
• M4: 1,597,556 km (0.103 R)
• M5: 2,036,326 km (0.029 R)
• M6: 2,529,102 km (0.074 R)
• M7: 3,071,244 km (0.065 R)
• M8: 3,391,085 km (0.067 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 756.6

Radius: 11.1

Gravity: 6.14 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.71 AU - 0.85 AU

Year: 459 Days

Day: 11.5 Hours

Environment

Temp: -171 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 51,253,236 km

• M1: 138,079 km (0.045 R)
• M2: 492,775 km (0.106 R)
• M3: 929,302 km (0.082 R)
• M4: 1,357,451 km (0.113 R)
• M5: 1,760,318 km (0.039 R)
• M6: 2,698,596 km (0.047 R)
• M7: 3,134,075 km (0.116 R)
• M8: 3,849,452 km (0.067 R)
• M9: 5,106,823 km (0.105 R)
• M10: 5,536,168 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 162.5

Radius: 14.9

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.67 AU - 1.03 AU

Year: 523 Days

Day: 13.3 Hours

Environment

Temp: -168 °C

Axial Tilt: 143.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 51,253,236 km

• M1: 185,352 km (0.051 R)
• M2: 805,734 km (0.096 R)
• M3: 1,726,659 km (0.114 R)
• M4: 2,221,528 km (0.095 R)
• M5: 2,740,783 km (0.066 R)
• M6: 3,210,670 km (0.091 R)
• M7: 3,880,419 km (0.053 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 511.8

Radius: 8.8

Gravity: 6.61 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 1.98 AU - 2.68 AU

Year: 2372 Days

Day: 11.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 51,253,236 km

• M1: 109,506 km (0.104 R)
• M2: 547,528 km (0.118 R)
• M3: 1,233,883 km (0.091 R)
• M4: 1,668,914 km (0.062 R)
• M5: 2,191,310 km (0.083 R)
• M6: 2,701,887 km (0.037 R)
• M7: 3,032,498 km (0.118 R)
• M8: 3,423,996 km (0.049 R)
• M9: 4,469,835 km (0.119 R)
• M10: 4,890,803 km (0.041 R)
• M11: 5,454,189 km (0.115 R)
• M12: 5,812,476 km (0.083 R)
• M13: 6,418,497 km (0.07 R)
• M14: 8,118,078 km (0.043 R)
• M15: 8,810,417 km (0.073 R)
• M16: 9,473,584 km (0.071 R)
• M17: 11,507,517 km (0.062 R)
• M18: 13,383,325 km (0.088 R)
• M19: 13,948,356 km (0.103 R)
• M20: 14,438,887 km (0.053 R)
• M21: 15,126,290 km (0.088 R)
• M22: 15,454,358 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 99.8

Radius: 13.5

Gravity: 0.55 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 3.79 AU - 5.35 AU

Year: 6515 Days

Day: 6.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 51,253,236 km

• M1: 167,849 km (0.094 R)
• M2: 1,746,555 km (0.059 R)
• M3: 2,855,375 km (0.06 R)
• M4: 3,929,038 km (0.112 R)
• M5: 4,932,840 km (0.083 R)
• M6: 6,667,128 km (0.086 R)
• M7: 8,946,701 km (0.067 R)
• M8: 13,726,951 km (0.069 R)
• M9: 18,730,102 km (0.076 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 361

Radius: 3.8

Gravity: 25 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 7.39 AU - 8.71 AU

Year: 15231 Days

Day: 17.9 Hours

Environment

Temp: -235 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 51,253,236 km

• M1: 47,273 km (0.079 R)
• M2: 316,998 km (0.032 R)
• M3: 444,754 km (0.117 R)
• M4: 686,654 km (0.045 R)
• M5: 1,135,597 km (0.112 R)
• M6: 1,309,131 km (0.097 R)
• M7: 1,471,744 km (0.067 R)
• M8: 3,349,048 km (0.117 R)
• M9: 3,524,975 km (0.113 R)
• M10: 3,813,998 km (0.109 R)
• M11: 4,090,155 km (0.096 R)
• M12: 5,195,684 km (0.06 R)
• M13: 8,474,121 km (0.074 R)
• M14: 8,991,730 km (0.094 R)
• M15: 9,136,540 km (0.116 R)
• M16: 9,282,847 km (0.085 R)
• M17: 9,430,799 km (0.045 R)
• M18: 9,630,363 km (0.069 R)
• M19: 9,883,931 km (0.074 R)
• M20: 10,351,425 km (0.101 R)
• M21: 10,725,120 km (0.067 R)
• M22: 11,900,211 km (0.081 R)
• M23: 13,980,220 km (0.083 R)
• M24: 14,970,409 km (0.1 R)
• M25: 15,105,944 km (0.078 R)
• M26: 16,433,924 km (0.069 R)
• M27: 18,921,887 km (0.114 R)
• M28: 19,641,602 km (0.105 R)
• M29: 20,629,397 km (0.098 R)
• M30: 24,817,539 km (0.095 R)
• M31: 25,679,222 km (0.03 R)
• M32: 27,260,173 km (0.117 R)
• M33: 31,383,240 km (0.109 R)
• M34: 35,540,864 km (0.113 R)
• M35: 35,661,290 km (0.053 R)
• M36: 39,661,238 km (0.116 R)
• M37: 40,050,940 km (0.062 R)
• M38: 40,574,383 km (0.094 R)
• M39: 43,673,303 km (0.109 R)
• M40: 43,811,532 km (0.053 R)
• M41: 48,389,526 km (0.102 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 462 - 15,403 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit