🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 522.1

Radius: 12.7

Gravity: 3.24 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.69 AU - 0.97 AU

Year: 513 Days

Day: 10.5 Hours

Environment

Temp: -159 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 57,510,859 km

• M1: 157,975 km (0.112 R)
• M2: 837,748 km (0.051 R)
• M3: 1,461,422 km (0.082 R)
• M4: 2,108,432 km (0.025 R)
• M5: 2,552,738 km (0.099 R)
• M6: 3,027,113 km (0.047 R)
• M7: 3,439,105 km (0.088 R)
• M8: 4,141,916 km (0.114 R)
• M9: 4,564,381 km (0.095 R)
• M10: 4,984,751 km (0.058 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 922.6

Radius: 11.5

Gravity: 6.98 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 1.01 AU - 1.05 AU

Year: 709 Days

Day: 7.5 Hours

Environment

Temp: -175 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 57,510,859 km

• M1: 143,016 km (0.102 R)
• M2: 535,560 km (0.113 R)
• M3: 950,844 km (0.072 R)
• M4: 1,464,264 km (0.04 R)
• M5: 2,051,585 km (0.082 R)
• M6: 2,639,505 km (0.072 R)
• M7: 3,165,042 km (0.105 R)
• M8: 3,600,671 km (0.047 R)
• M9: 4,249,328 km (0.083 R)
• M10: 5,357,549 km (0.1 R)
• M11: 5,879,346 km (0.038 R)
• M12: 6,392,467 km (0.099 R)
• M13: 6,935,208 km (0.097 R)
• M14: 8,440,611 km (0.061 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 774.2

Radius: 10.4

Gravity: 7.16 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 1.04 AU - 1.06 AU

Year: 730 Days

Day: 9.6 Hours

Environment

Temp: -172 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 57,510,859 km

• M1: 129,402 km (0.082 R)
• M2: 510,428 km (0.106 R)
• M3: 886,218 km (0.109 R)
• M4: 1,351,168 km (0.084 R)
• M5: 2,156,753 km (0.027 R)
• M6: 2,576,524 km (0.116 R)
• M7: 3,512,259 km (0.091 R)
• M8: 4,158,821 km (0.086 R)
• M9: 4,576,947 km (0.068 R)
• M10: 5,275,270 km (0.076 R)
• M11: 6,971,859 km (0.069 R)
• M12: 7,563,968 km (0.064 R)
• M13: 8,090,851 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 705.9

Radius: 9.3

Gravity: 8.16 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1.05 AU - 1.35 AU

Year: 892 Days

Day: 6.1 Hours

Environment

Temp: -187 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 57,510,859 km

• M1: 115,789 km (0.082 R)
• M2: 443,408 km (0.038 R)
• M3: 1,593,965 km (0.086 R)
• M4: 2,391,023 km (0.055 R)
• M5: 2,701,289 km (0.101 R)
• M6: 3,251,959 km (0.108 R)
• M7: 3,619,969 km (0.092 R)
• M8: 4,257,107 km (0.098 R)
• M9: 5,456,882 km (0.098 R)
• M10: 7,075,381 km (0.108 R)
• M11: 8,352,797 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 695.5

Radius: 9.1

Gravity: 8.4 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 2.39 AU - 3.05 AU

Year: 3043 Days

Day: 8.9 Hours

Environment

Temp: -204 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 57,510,859 km

• M1: 113,246 km (0.116 R)
• M2: 658,530 km (0.081 R)
• M3: 1,099,694 km (0.074 R)
• M4: 1,922,482 km (0.071 R)
• M5: 2,293,036 km (0.109 R)
• M6: 2,742,727 km (0.104 R)
• M7: 3,196,906 km (0.073 R)
• M8: 4,962,012 km (0.066 R)
• M9: 5,305,339 km (0.067 R)
• M10: 5,612,164 km (0.092 R)
• M11: 6,094,767 km (0.094 R)
• M12: 6,810,593 km (0.083 R)
• M13: 7,486,027 km (0.109 R)
• M14: 8,239,103 km (0.114 R)
• M15: 10,401,690 km (0.05 R)
• M16: 10,924,833 km (0.045 R)
• M17: 13,951,348 km (0.089 R)
• M18: 15,500,583 km (0.054 R)
• M19: 19,055,926 km (0.069 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 569.4

Radius: 8.3

Gravity: 8.27 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 2.69 AU - 3.61 AU

Year: 3792 Days

Day: 5.8 Hours

Environment

Temp: -204 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 57,510,859 km

• M1: 105,616 km (0.109 R)
• M2: 363,972 km (0.094 R)
• M3: 1,060,200 km (0.077 R)
• M4: 1,711,549 km (0.113 R)
• M5: 2,482,128 km (0.057 R)
• M6: 3,446,885 km (0.118 R)
• M7: 6,208,012 km (0.09 R)
• M8: 7,926,892 km (0.114 R)
• M9: 8,588,264 km (0.081 R)
• M10: 10,668,871 km (0.045 R)
• M11: 14,236,332 km (0.095 R)
• M12: 14,899,499 km (0.06 R)
• M13: 15,212,458 km (0.072 R)
• M14: 15,797,685 km (0.105 R)
• M15: 16,956,320 km (0.109 R)
• M16: 17,818,004 km (0.101 R)
• M17: 19,011,795 km (0.111 R)
• M18: 19,628,437 km (0.1 R)
• M19: 20,131,086 km (0.114 R)
• M20: 23,190,363 km (0.061 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 264.4

Radius: 14.5

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 3.31 AU - 3.65 AU

Year: 4403 Days

Day: 13 Hours

Environment

Temp: -209 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 57,510,859 km

• M1: 180,415 km (0.076 R)
• M2: 1,728,005 km (0.115 R)
• M3: 2,492,450 km (0.09 R)
• M4: 3,011,405 km (0.062 R)
• M5: 3,658,416 km (0.064 R)
• M6: 5,209,746 km (0.116 R)
• M7: 5,780,013 km (0.113 R)
• M8: 6,391,868 km (0.04 R)
• M9: 9,498,717 km (0.047 R)
• M10: 10,012,885 km (0.117 R)
• M11: 12,604,967 km (0.098 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 698.2

Radius: 8.4

Gravity: 9.9 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 3.05 AU - 4.27 AU

Year: 4749 Days

Day: 12.1 Hours

Environment

Temp: -208 °C

Axial Tilt: 49.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 57,510,859 km

• M1: 104,419 km (0.11 R)
• M2: 2,150,619 km (0.117 R)
• M3: 3,360,567 km (0.08 R)
• M4: 4,031,513 km (0.068 R)
• M5: 4,314,103 km (0.08 R)
• M6: 6,174,951 km (0.105 R)
• M7: 6,487,760 km (0.111 R)
• M8: 7,919,262 km (0.101 R)
• M9: 8,214,120 km (0.088 R)
• M10: 8,670,094 km (0.112 R)
• M11: 11,254,397 km (0.096 R)
• M12: 15,367,591 km (0.1 R)
• M13: 19,840,268 km (0.062 R)
• M14: 20,316,737 km (0.107 R)
• M15: 21,576,650 km (0.105 R)
• M16: 24,639,816 km (0.107 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 382.6

Radius: 6.6

Gravity: 8.78 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 7.53 AU - 9.99 AU

Year: 17585 Days

Day: 21 Hours

Environment

Temp: -234 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 57,510,859 km

• M1: 82,129 km (0.068 R)
• M2: 514,467 km (0.116 R)
• M3: 799,152 km (0.113 R)
• M4: 1,263,504 km (0.056 R)
• M5: 2,108,582 km (0.067 R)
• M6: 2,806,306 km (0.054 R)
• M7: 3,384,951 km (0.112 R)
• M8: 4,040,190 km (0.119 R)
• M9: 4,306,474 km (0.045 R)
• M10: 4,553,161 km (0.084 R)
• M11: 4,874,647 km (0.108 R)
• M12: 5,108,767 km (0.076 R)
• M13: 6,275,780 km (0.12 R)
• M14: 8,583,627 km (0.07 R)
• M15: 10,605,891 km (0.087 R)
• M16: 10,999,782 km (0.026 R)
• M17: 15,636,119 km (0.114 R)
• M18: 15,999,492 km (0.108 R)
• M19: 16,443,050 km (0.08 R)
• M20: 19,949,474 km (0.096 R)
• M21: 20,463,194 km (0.074 R)
• M22: 21,250,378 km (0.045 R)
• M23: 22,331,222 km (0.1 R)
• M24: 22,606,931 km (0.066 R)
• M25: 22,978,233 km (0.049 R)
• M26: 24,406,893 km (0.117 R)
• M27: 25,291,914 km (0.095 R)
• M28: 27,968,818 km (0.118 R)
• M29: 28,289,257 km (0.091 R)
• M30: 31,056,518 km (0.086 R)
• M31: 34,364,127 km (0.108 R)
• M32: 45,829,756 km (0.112 R)
• M33: 48,086,590 km (0.097 R)
• M34: 50,732,827 km (0.105 R)
• M35: 52,820,615 km (0.093 R)
• M36: 53,474,357 km (0.117 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 282 - 19,062 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit