🌌 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: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 259.8

Radius: 14.6

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 0.65 AU - 0.71 AU

Year: 394 Days

Day: 12.1 Hours

Environment

Temp: -147 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 49,138,453 km

• M1: 181,612 km (0.09 R)
• M2: 819,946 km (0.112 R)
• M3: 1,304,793 km (0.085 R)
• M4: 1,846,038 km (0.076 R)
• M5: 2,336,120 km (0.074 R)
• M6: 2,814,235 km (0.054 R)
• M7: 3,440,153 km (0.064 R)
• M8: 3,938,463 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 180.7

Radius: 8.1

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.76 AU - 0.94 AU

Year: 551 Days

Day: 13.1 Hours

Environment

Temp: -177 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 49,138,453 km

• M1: 100,679 km (0.113 R)
• M2: 356,791 km (0.083 R)
• M3: 641,176 km (0.103 R)
• M4: 949,498 km (0.089 R)
• M5: 1,498,821 km (0.047 R)
• M6: 1,884,933 km (0.099 R)
• M7: 2,472,853 km (0.112 R)
• M8: 2,772,049 km (0.069 R)
• M9: 3,454,813 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 37

Radius: 9.9

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 1.72 AU - 2.34 AU

Year: 2033 Days

Day: 13.2 Hours

Environment

Temp: -205 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 49,138,453 km

• M1: 125,064 km (0.105 R)
• M2: 720,912 km (0.078 R)
• M3: 1,095,655 km (0.103 R)
• M4: 2,045,751 km (0.12 R)
• M5: 2,724,476 km (0.098 R)
• M6: 6,028,345 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 274.3

Radius: 10.5

Gravity: 2.49 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.87 AU - 2.75 AU

Year: 2468 Days

Day: 6.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 49,138,453 km

• M1: 131,796 km (0.089 R)
• M2: 941,120 km (0.038 R)
• M3: 2,421,541 km (0.045 R)
• M4: 2,831,140 km (0.058 R)
• M5: 3,302,373 km (0.107 R)
• M6: 4,479,409 km (0.055 R)
• M7: 5,642,832 km (0.101 R)
• M8: 7,806,466 km (0.118 R)
• M9: 8,204,845 km (0.106 R)
• M10: 12,351,399 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 103.1

Radius: 13.7

Gravity: 0.55 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 2.6 AU - 3.2 AU

Year: 3471 Days

Day: 11.4 Hours

Environment

Temp: -206 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 49,138,453 km

• M1: 170,392 km (0.089 R)
• M2: 637,437 km (0.066 R)
• M3: 1,077,703 km (0.048 R)
• M4: 2,237,386 km (0.077 R)
• M5: 3,774,653 km (0.083 R)
• M6: 5,286,789 km (0.099 R)
• M7: 6,389,175 km (0.065 R)
• M8: 8,127,652 km (0.046 R)
• M9: 9,687,509 km (0.107 R)
• M10: 10,889,379 km (0.091 R)
• M11: 11,935,068 km (0.086 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 395.3

Radius: 11

Gravity: 3.27 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 2.99 AU - 3.65 AU

Year: 4252 Days

Day: 5.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 46.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 49,138,453 km

• M1: 137,032 km (0.034 R)
• M2: 495,767 km (0.084 R)
• M3: 1,065,885 km (0.073 R)
• M4: 1,561,503 km (0.083 R)
• M5: 1,932,505 km (0.088 R)
• M6: 2,711,461 km (0.072 R)
• M7: 4,558,397 km (0.084 R)
• M8: 5,879,795 km (0.106 R)
• M9: 6,526,656 km (0.088 R)
• M10: 7,065,507 km (0.111 R)
• M11: 7,764,279 km (0.087 R)
• M12: 8,198,412 km (0.111 R)
• M13: 9,079,095 km (0.079 R)
• M14: 10,060,606 km (0.119 R)
• M15: 10,617,709 km (0.09 R)
• M16: 11,279,530 km (0.113 R)
• M17: 12,413,332 km (0.119 R)
• M18: 13,478,319 km (0.101 R)
• M19: 13,862,636 km (0.119 R)
• M20: 15,736,499 km (0.092 R)
• M21: 16,379,022 km (0.079 R)
• M22: 17,659,281 km (0.114 R)
• M23: 20,167,439 km (0.108 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 469.1

Radius: 8.4

Gravity: 6.65 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 3.12 AU - 4.68 AU

Year: 5414 Days

Day: 10.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 49,138,453 km

• M1: 104,569 km (0.066 R)
• M2: 398,080 km (0.085 R)
• M3: 837,000 km (0.109 R)
• M4: 1,272,629 km (0.062 R)
• M5: 1,638,695 km (0.087 R)
• M6: 2,161,240 km (0.103 R)
• M7: 2,618,561 km (0.106 R)
• M8: 2,970,415 km (0.074 R)
• M9: 3,705,390 km (0.118 R)
• M10: 4,630,652 km (0.118 R)
• M11: 4,988,491 km (0.097 R)
• M12: 5,255,373 km (0.071 R)
• M13: 5,644,926 km (0.08 R)
• M14: 6,671,915 km (0.042 R)
• M15: 7,331,492 km (0.101 R)
• M16: 8,401,416 km (0.12 R)
• M17: 8,818,794 km (0.103 R)
• M18: 9,860,145 km (0.079 R)
• M19: 11,712,466 km (0.075 R)
• M20: 14,100,497 km (0.109 R)
• M21: 15,634,025 km (0.098 R)
• M22: 16,382,463 km (0.06 R)
• M23: 17,397,036 km (0.086 R)
• M24: 17,888,764 km (0.078 R)
• M25: 24,152,726 km (0.079 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 856.6

Radius: 4.3

Gravity: 46.33 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 4.25 AU - 7.05 AU

Year: 9440 Days

Day: 17.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 72.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 49,138,453 km

• M1: 53,556 km (0.109 R)
• M2: 192,682 km (0.077 R)
• M3: 540,048 km (0.089 R)
• M4: 801,545 km (0.054 R)
• M5: 1,019,809 km (0.106 R)
• M6: 1,276,818 km (0.061 R)
• M7: 1,518,119 km (0.066 R)
• M8: 2,507,260 km (0.089 R)
• M9: 2,756,042 km (0.081 R)
• M10: 4,000,397 km (0.119 R)
• M11: 6,677,301 km (0.088 R)
• M12: 7,236,797 km (0.096 R)
• M13: 8,089,505 km (0.099 R)
• M14: 8,357,734 km (0.101 R)
• M15: 11,265,916 km (0.115 R)
• M16: 11,488,368 km (0.096 R)
• M17: 12,584,921 km (0.066 R)
• M18: 13,189,147 km (0.081 R)
• M19: 14,003,408 km (0.119 R)
• M20: 18,737,133 km (0.111 R)
• M21: 21,080,135 km (0.085 R)
• M22: 21,333,105 km (0.073 R)
• M23: 22,540,510 km (0.085 R)
• M24: 24,067,156 km (0.119 R)
• M25: 27,625,192 km (0.106 R)
• M26: 30,218,171 km (0.083 R)
• M27: 31,189,959 km (0.103 R)
• M28: 33,998,510 km (0.072 R)
• M29: 34,814,117 km (0.088 R)
• M30: 36,727,175 km (0.106 R)
• M31: 37,216,061 km (0.046 R)
• M32: 39,342,744 km (0.093 R)
• M33: 41,022,728 km (0.071 R)
• M34: 45,080,720 km (0.058 R)
• M35: 47,639,592 km (0.085 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 174

Radius: 5.8

Gravity: 5.17 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 7.44 AU - 7.64 AU

Year: 14553 Days

Day: 21.8 Hours

Environment

Temp: -235 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 49,138,453 km

• M1: 77,342 km (0.111 R)
• M2: 1,561,503 km (0.033 R)
• M3: 1,995,636 km (0.1 R)
• M4: 2,833,234 km (0.077 R)
• M5: 3,341,867 km (0.056 R)
• M6: 3,884,458 km (0.07 R)
• M7: 6,688,521 km (0.117 R)
• M8: 6,979,339 km (0.07 R)
• M9: 10,465,418 km (0.105 R)
• M10: 13,882,084 km (0.103 R)
• M11: 16,097,628 km (0.06 R)
• M12: 19,184,880 km (0.104 R)
• M13: 37,146,797 km (0.119 R)

Asteroid Belt

Center: 8.82 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 10 - Ice Giant

Semi-Major Axis: 10.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 145.4

Radius: 3.9

Gravity: 9.56 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 9.36 AU - 10.82 AU

Year: 22529 Days

Day: 24 Hours

Environment

Temp: -239 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 49,138,453 km

• M1: 48,619 km (0.059 R)
• M2: 364,420 km (0.078 R)
• M3: 824,733 km (0.112 R)
• M4: 1,496,876 km (0.09 R)
• M5: 1,672,205 km (0.107 R)
• M6: 1,944,024 km (0.114 R)
• M7: 2,435,603 km (0.093 R)
• M8: 2,637,261 km (0.114 R)
• M9: 2,828,148 km (0.105 R)
• M10: 2,960,542 km (0.095 R)
• M11: 3,237,597 km (0.091 R)
• M12: 3,790,361 km (0.112 R)
• M13: 3,951,478 km (0.102 R)
• M14: 4,345,220 km (0.059 R)
• M15: 6,911,122 km (0.116 R)
• M16: 15,079,017 km (0.113 R)
• M17: 17,841,940 km (0.043 R)
• M18: 21,007,879 km (0.113 R)
• M19: 21,343,577 km (0.107 R)
• M20: 21,597,744 km (0.11 R)
• M21: 22,459,727 km (0.116 R)
• M22: 27,313,729 km (0.108 R)
• M23: 34,306,681 km (0.119 R)
• M24: 40,432,714 km (0.092 R)
• M25: 45,547,914 km (0.118 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 228 - 10,379 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit