🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 590.3

Radius: 9.4

Gravity: 6.68 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 0.61 AU - 0.69 AU

Year: 362 Days

Day: 7.3 Hours

Environment

Temp: -154 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 61,649,922 km

• M1: 116,836 km (0.107 R)
• M2: 506,987 km (0.061 R)
• M3: 981,661 km (0.067 R)
• M4: 1,454,839 km (0.108 R)
• M5: 1,981,274 km (0.101 R)
• M6: 2,281,068 km (0.101 R)
• M7: 4,604,922 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 670.3

Radius: 13

Gravity: 3.97 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.75 AU - 1.17 AU

Year: 649 Days

Day: 9.5 Hours

Environment

Temp: -165 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 61,649,922 km

• M1: 161,715 km (0.099 R)
• M2: 650,601 km (0.067 R)
• M3: 1,063,342 km (0.11 R)
• M4: 1,497,475 km (0.103 R)
• M5: 2,079,560 km (0.074 R)
• M6: 2,633,970 km (0.112 R)
• M7: 3,971,524 km (0.079 R)
• M8: 4,590,261 km (0.116 R)
• M9: 5,015,418 km (0.083 R)
• M10: 5,556,963 km (0.114 R)
• M11: 6,819,868 km (0.114 R)
• M12: 7,419,606 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 679

Radius: 9.1

Gravity: 8.2 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 1.03 AU - 1.15 AU

Year: 786 Days

Day: 8.6 Hours

Environment

Temp: -186 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 61,649,922 km

• M1: 113,246 km (0.112 R)
• M2: 412,890 km (0.056 R)
• M3: 966,402 km (0.086 R)
• M4: 1,301,950 km (0.106 R)
• M5: 1,732,493 km (0.089 R)
• M6: 2,762,474 km (0.106 R)
• M7: 3,145,146 km (0.106 R)
• M8: 3,591,097 km (0.113 R)
• M9: 4,363,022 km (0.093 R)
• M10: 4,918,928 km (0.035 R)
• M11: 8,010,218 km (0.108 R)
• M12: 8,508,828 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 701.3

Radius: 13.5

Gravity: 3.85 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 1.11 AU - 1.35 AU

Year: 942 Days

Day: 10.5 Hours

Environment

Temp: -177 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 61,649,922 km

• M1: 167,849 km (0.113 R)
• M2: 626,516 km (0.047 R)
• M3: 1,464,264 km (0.079 R)
• M4: 2,207,616 km (0.047 R)
• M5: 3,098,322 km (0.076 R)
• M6: 3,929,786 km (0.064 R)
• M7: 6,619,257 km (0.1 R)
• M8: 7,773,405 km (0.048 R)
• M9: 8,255,409 km (0.088 R)
• M10: 9,591,767 km (0.051 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 430.4

Radius: 13.9

Gravity: 2.23 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1.35 AU - 1.81 AU

Year: 1371 Days

Day: 8.7 Hours

Environment

Temp: -199 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 61,649,922 km

• M1: 172,935 km (0.117 R)
• M2: 625,618 km (0.094 R)
• M3: 1,138,739 km (0.115 R)
• M4: 1,709,604 km (0.071 R)
• M5: 2,162,288 km (0.057 R)
• M6: 2,611,081 km (0.116 R)
• M7: 3,055,387 km (0.108 R)
• M8: 3,778,992 km (0.045 R)
• M9: 4,232,722 km (0.077 R)
• M10: 4,795,958 km (0.118 R)
• M11: 5,389,114 km (0.093 R)
• M12: 6,270,844 km (0.085 R)
• M13: 6,981,733 km (0.078 R)
• M14: 7,644,152 km (0.12 R)
• M15: 8,483,246 km (0.12 R)
• M16: 9,209,544 km (0.074 R)
• M17: 10,068,236 km (0.078 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 861.2

Radius: 12.5

Gravity: 5.51 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 2.16 AU - 2.4 AU

Year: 2376 Days

Day: 14.8 Hours

Environment

Temp: -196 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 61,649,922 km

• M1: 155,582 km (0.118 R)
• M2: 895,792 km (0.112 R)
• M3: 1,378,395 km (0.119 R)
• M4: 1,926,073 km (0.064 R)
• M5: 2,333,278 km (0.1 R)
• M6: 3,037,734 km (0.098 R)
• M7: 3,521,983 km (0.116 R)
• M8: 5,221,564 km (0.075 R)
• M9: 5,842,694 km (0.078 R)
• M10: 6,709,315 km (0.034 R)
• M11: 7,444,588 km (0.119 R)
• M12: 8,529,771 km (0.035 R)
• M13: 10,933,959 km (0.086 R)
• M14: 11,456,055 km (0.12 R)
• M15: 12,036,944 km (0.084 R)
• M16: 13,212,634 km (0.107 R)
• M17: 14,037,965 km (0.104 R)
• M18: 15,093,079 km (0.076 R)
• M19: 15,995,154 km (0.066 R)
• M20: 16,668,793 km (0.101 R)
• M21: 17,415,137 km (0.107 R)
• M22: 17,851,664 km (0.081 R)
• M23: 18,520,067 km (0.065 R)
• M24: 18,974,994 km (0.097 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 895.8

Radius: 11.8

Gravity: 6.43 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 2.72 AU - 2.82 AU

Year: 3182 Days

Day: 9.1 Hours

Environment

Temp: -214 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 61,649,922 km

• M1: 146,905 km (0.099 R)
• M2: 563,834 km (0.102 R)
• M3: 1,019,509 km (0.055 R)
• M4: 1,500,467 km (0.096 R)
• M5: 2,541,518 km (0.114 R)
• M6: 3,483,237 km (0.079 R)
• M7: 3,970,776 km (0.12 R)
• M8: 5,418,584 km (0.103 R)
• M9: 7,320,871 km (0.104 R)
• M10: 8,838,691 km (0.116 R)
• M11: 9,439,775 km (0.102 R)
• M12: 10,681,737 km (0.047 R)
• M13: 11,894,527 km (0.067 R)
• M14: 13,100,884 km (0.107 R)
• M15: 14,903,688 km (0.04 R)
• M16: 19,429,921 km (0.077 R)
• M17: 20,576,439 km (0.107 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 55.9

Radius: 3.7

Gravity: 4.08 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 5.78 AU - 6.56 AU

Year: 10579 Days

Day: 21 Hours

Environment

Temp: -222 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 61,649,922 km

• M1: 56,249 km (0.062 R)
• M2: 191,485 km (0.107 R)
• M3: 598,990 km (0.078 R)
• M4: 953,836 km (0.084 R)
• M5: 1,630,467 km (0.08 R)
• M6: 1,770,491 km (0.091 R)
• M7: 1,918,593 km (0.052 R)
• M8: 2,115,314 km (0.109 R)
• M9: 6,098,956 km (0.08 R)
• M10: 7,030,053 km (0.096 R)
• M11: 7,625,751 km (0.087 R)
• M12: 8,459,760 km (0.086 R)
• M13: 9,651,456 km (0.071 R)
• M14: 10,228,455 km (0.054 R)
• M15: 11,493,156 km (0.106 R)
• M16: 12,273,309 km (0.088 R)
• M17: 12,406,750 km (0.092 R)
• M18: 13,508,837 km (0.086 R)
• M19: 15,384,944 km (0.097 R)
• M20: 16,655,180 km (0.106 R)
• M21: 19,282,118 km (0.064 R)
• M22: 20,257,048 km (0.064 R)
• M23: 21,521,150 km (0.068 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 314.3

Radius: 4.1

Gravity: 18.7 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 8.64 AU - 11.18 AU

Year: 21534 Days

Day: 21.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 61,649,922 km

• M1: 51,013 km (0.094 R)
• M2: 205,996 km (0.047 R)
• M3: 543,788 km (0.109 R)
• M4: 2,387,582 km (0.113 R)
• M5: 3,120,761 km (0.027 R)
• M6: 3,299,381 km (0.074 R)
• M7: 3,457,805 km (0.069 R)
• M8: 3,648,991 km (0.091 R)
• M9: 3,934,424 km (0.115 R)
• M10: 4,453,678 km (0.059 R)
• M11: 4,813,162 km (0.084 R)
• M12: 5,226,950 km (0.12 R)
• M13: 5,552,624 km (0.091 R)
• M14: 5,701,624 km (0.112 R)
• M15: 6,085,941 km (0.105 R)
• M16: 7,522,230 km (0.088 R)
• M17: 9,378,291 km (0.095 R)
• M18: 9,967,706 km (0.051 R)
• M19: 10,243,714 km (0.087 R)
• M20: 11,639,762 km (0.1 R)
• M21: 12,194,470 km (0.094 R)
• M22: 15,234,598 km (0.098 R)
• M23: 23,719,790 km (0.097 R)
• M24: 24,211,518 km (0.064 R)
• M25: 25,624,470 km (0.082 R)
• M26: 25,830,765 km (0.088 R)
• M27: 29,170,538 km (0.109 R)
• M28: 29,848,665 km (0.076 R)
• M29: 39,231,294 km (0.079 R)
• M30: 44,956,554 km (0.077 R)
• M31: 45,558,087 km (0.119 R)
• M32: 50,079,533 km (0.109 R)
• M33: 52,697,795 km (0.065 R)
• M34: 53,366,348 km (0.046 R)
• M35: 55,578,003 km (0.101 R)
• M36: 58,383,112 km (0.107 R)
• M37: 61,281,122 km (0.105 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 475 - 16,864 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit