🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 702.1

Radius: 12.1

Gravity: 4.8 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.57 AU - 0.91 AU

Year: 424 Days

Day: 14.9 Hours

Environment

Temp: -163 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 80,307,896 km

• M1: 150,645 km (0.071 R)
• M2: 632,051 km (0.04 R)
• M3: 1,013,376 km (0.061 R)
• M4: 1,509,592 km (0.054 R)
• M5: 1,905,129 km (0.107 R)
• M6: 2,298,272 km (0.026 R)
• M7: 2,676,007 km (0.116 R)
• M8: 3,241,337 km (0.056 R)
• M9: 3,885,206 km (0.104 R)
• M10: 4,700,664 km (0.084 R)
• M11: 5,300,103 km (0.09 R)
• M12: 5,677,239 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 99.1

Radius: 10.4

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.02 AU - 1.06 AU

Year: 707 Days

Day: 8.8 Hours

Environment

Temp: -177 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 80,307,896 km

• M1: 130,300 km (0.118 R)
• M2: 647,908 km (0.057 R)
• M3: 1,345,782 km (0.095 R)
• M4: 1,862,194 km (0.062 R)
• M5: 2,422,438 km (0.109 R)
• M6: 2,830,841 km (0.082 R)
• M7: 3,213,063 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 241.5

Radius: 10.9

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 1.03 AU - 1.15 AU

Year: 759 Days

Day: 6.4 Hours

Environment

Temp: -178 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 80,307,896 km

• M1: 135,536 km (0.072 R)
• M2: 547,528 km (0.118 R)
• M3: 965,056 km (0.114 R)
• M4: 1,810,733 km (0.1 R)
• M5: 2,709,666 km (0.044 R)
• M6: 3,640,165 km (0.114 R)
• M7: 5,017,213 km (0.08 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 625.6

Radius: 12.5

Gravity: 4 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 2.02 AU - 2.82 AU

Year: 2510 Days

Day: 9 Hours

Environment

Temp: -205 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 80,307,896 km

• M1: 155,582 km (0.11 R)
• M2: 571,464 km (0.095 R)
• M3: 1,085,033 km (0.089 R)
• M4: 1,534,575 km (0.101 R)
• M5: 2,518,929 km (0.04 R)
• M6: 3,192,119 km (0.085 R)
• M7: 3,867,255 km (0.091 R)
• M8: 5,148,860 km (0.059 R)
• M9: 5,875,008 km (0.088 R)
• M10: 7,062,366 km (0.076 R)
• M11: 7,471,965 km (0.078 R)
• M12: 8,599,035 km (0.116 R)
• M13: 11,706,333 km (0.038 R)
• M14: 12,115,483 km (0.062 R)
• M15: 13,311,967 km (0.097 R)
• M16: 13,848,424 km (0.111 R)
• M17: 15,544,416 km (0.05 R)
• M18: 16,240,046 km (0.108 R)
• M19: 17,800,651 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 581.4

Radius: 9.9

Gravity: 5.93 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 3.43 AU - 4.53 AU

Year: 5295 Days

Day: 11.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 80,307,896 km

• M1: 123,269 km (0.117 R)
• M2: 469,139 km (0.12 R)
• M3: 779,405 km (0.092 R)
• M4: 1,327,232 km (0.038 R)
• M5: 1,645,876 km (0.097 R)
• M6: 1,988,006 km (0.032 R)
• M7: 2,694,706 km (0.083 R)
• M8: 3,155,169 km (0.081 R)
• M9: 3,518,542 km (0.091 R)
• M10: 5,098,295 km (0.084 R)
• M11: 5,486,502 km (0.063 R)
• M12: 5,984,513 km (0.066 R)
• M13: 7,661,206 km (0.082 R)
• M14: 7,986,881 km (0.107 R)
• M15: 10,138,996 km (0.07 R)
• M16: 12,061,029 km (0.118 R)
• M17: 12,802,735 km (0.103 R)
• M18: 13,469,942 km (0.109 R)
• M19: 14,052,476 km (0.08 R)
• M20: 16,793,109 km (0.03 R)
• M21: 17,220,510 km (0.091 R)
• M22: 17,906,716 km (0.045 R)
• M23: 18,741,322 km (0.112 R)
• M24: 25,085,618 km (0.105 R)
• M25: 27,793,190 km (0.046 R)
• M26: 28,305,563 km (0.082 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 924.3

Radius: 5.5

Gravity: 30.56 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 7.26 AU - 11.18 AU

Year: 18669 Days

Day: 21.3 Hours

Environment

Temp: -231 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 80,307,896 km

• M1: 68,665 km (0.112 R)
• M2: 654,191 km (0.058 R)
• M3: 1,019,360 km (0.119 R)
• M4: 1,612,964 km (0.058 R)
• M5: 1,811,032 km (0.061 R)
• M6: 2,256,534 km (0.11 R)
• M7: 3,166,837 km (0.042 R)
• M8: 3,688,635 km (0.092 R)
• M9: 4,333,701 km (0.085 R)
• M10: 5,051,172 km (0.115 R)
• M11: 6,013,236 km (0.082 R)
• M12: 6,271,592 km (0.089 R)
• M13: 6,447,967 km (0.054 R)
• M14: 7,626,649 km (0.037 R)
• M15: 7,980,897 km (0.099 R)
• M16: 8,399,172 km (0.096 R)
• M17: 9,566,485 km (0.098 R)
• M18: 9,859,547 km (0.112 R)
• M19: 10,219,180 km (0.034 R)
• M20: 10,402,288 km (0.083 R)
• M21: 10,587,490 km (0.1 R)
• M22: 13,564,338 km (0.091 R)
• M23: 14,387,426 km (0.115 R)
• M24: 16,380,817 km (0.119 R)
• M25: 16,885,411 km (0.063 R)
• M26: 18,732,795 km (0.108 R)
• M27: 19,191,761 km (0.099 R)
• M28: 19,658,058 km (0.085 R)
• M29: 23,347,291 km (0.077 R)
• M30: 23,558,972 km (0.084 R)
• M31: 25,187,046 km (0.07 R)
• M32: 25,521,546 km (0.113 R)
• M33: 29,521,195 km (0.111 R)
• M34: 32,980,496 km (0.067 R)
• M35: 33,246,930 km (0.117 R)
• M36: 44,472,006 km (0.078 R)
• M37: 54,749,380 km (0.087 R)
• M38: 54,935,928 km (0.045 R)
• M39: 57,400,853 km (0.108 R)
• M40: 62,958,264 km (0.108 R)
• M41: 73,527,503 km (0.091 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 357 - 15,527 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit