🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 858.2

Radius: 9.2

Gravity: 10.14 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.72 AU - 1.16 AU

Year: 618 Days

Day: 12.4 Hours

Environment

Temp: -165 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 68,126,291 km

• M1: 114,442 km (0.106 R)
• M2: 575,952 km (0.118 R)
• M3: 874,549 km (0.067 R)
• M4: 1,234,182 km (0.103 R)
• M5: 1,520,513 km (0.107 R)
• M6: 2,068,041 km (0.056 R)
• M7: 2,404,038 km (0.116 R)
• M8: 2,811,094 km (0.119 R)
• M9: 3,099,369 km (0.113 R)
• M10: 3,750,269 km (0.113 R)
• M11: 4,070,857 km (0.044 R)
• M12: 5,215,281 km (0.043 R)
• M13: 6,417,449 km (0.099 R)
• M14: 7,450,572 km (0.091 R)
• M15: 7,888,745 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 224

Radius: 9.4

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 2.12 AU - 2.38 AU

Year: 2289 Days

Day: 11.9 Hours

Environment

Temp: -201 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 68,126,291 km

• M1: 116,986 km (0.112 R)
• M2: 457,470 km (0.039 R)
• M3: 1,030,281 km (0.096 R)
• M4: 1,387,819 km (0.053 R)
• M5: 1,908,420 km (0.09 R)
• M6: 2,209,411 km (0.119 R)
• M7: 2,682,290 km (0.045 R)
• M8: 3,401,556 km (0.068 R)
• M9: 4,351,503 km (0.117 R)
• M10: 5,468,999 km (0.104 R)
• M11: 6,743,274 km (0.063 R)
• M12: 7,090,640 km (0.086 R)
• M13: 8,688,046 km (0.107 R)
• M14: 9,219,866 km (0.118 R)
• M15: 10,678,146 km (0.1 R)
• M16: 11,672,972 km (0.037 R)
• M17: 12,357,532 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 794.6

Radius: 9.8

Gravity: 8.27 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 3.17 AU - 3.75 AU

Year: 4365 Days

Day: 6.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 68,126,291 km

• M1: 121,922 km (0.066 R)
• M2: 446,250 km (0.048 R)
• M3: 769,083 km (0.092 R)
• M4: 1,236,277 km (0.051 R)
• M5: 1,583,643 km (0.118 R)
• M6: 2,053,231 km (0.108 R)
• M7: 2,563,509 km (0.104 R)
• M8: 3,137,367 km (0.111 R)
• M9: 3,517,196 km (0.108 R)
• M10: 4,226,738 km (0.05 R)
• M11: 4,641,124 km (0.047 R)
• M12: 5,870,071 km (0.116 R)
• M13: 7,546,315 km (0.08 R)
• M14: 8,647,355 km (0.089 R)
• M15: 9,438,578 km (0.051 R)
• M16: 9,810,180 km (0.037 R)
• M17: 10,848,838 km (0.085 R)
• M18: 12,103,365 km (0.073 R)
• M19: 17,908,062 km (0.116 R)
• M20: 18,542,357 km (0.082 R)
• M21: 20,604,564 km (0.115 R)
• M22: 22,521,361 km (0.102 R)
• M23: 24,245,626 km (0.057 R)
• M24: 24,943,799 km (0.111 R)
• M25: 25,815,057 km (0.069 R)
• M26: 26,298,857 km (0.112 R)
• M27: 27,035,776 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 81.9

Radius: 11.6

Gravity: 0.61 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 3.65 AU - 6.01 AU

Year: 7200 Days

Day: 5.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 68,126,291 km

• M1: 152,590 km (0.088 R)
• M2: 727,046 km (0.117 R)
• M3: 1,097,749 km (0.102 R)
• M4: 1,489,696 km (0.109 R)
• M5: 2,915,214 km (0.032 R)
• M6: 3,485,630 km (0.115 R)
• M7: 3,951,777 km (0.085 R)
• M8: 5,755,479 km (0.093 R)
• M9: 6,409,222 km (0.068 R)
• M10: 7,618,870 km (0.115 R)
• M11: 9,390,258 km (0.101 R)
• M12: 12,159,465 km (0.113 R)
• M13: 15,729,767 km (0.104 R)
• M14: 17,271,822 km (0.106 R)
• M15: 18,799,815 km (0.115 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 817.1

Radius: 7.4

Gravity: 14.92 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 7.68 AU - 10.56 AU

Year: 18680 Days

Day: 16.2 Hours

Environment

Temp: -239 °C

Axial Tilt: 48.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 68,126,291 km

• M1: 113,246 km (0.069 R)
• M2: 490,831 km (0.1 R)
• M3: 1,693,597 km (0.096 R)
• M4: 4,153,286 km (0.094 R)
• M5: 5,596,456 km (0.073 R)
• M6: 6,087,885 km (0.11 R)
• M7: 6,924,437 km (0.118 R)
• M8: 8,932,489 km (0.118 R)
• M9: 9,208,198 km (0.116 R)
• M10: 11,428,230 km (0.08 R)
• M11: 12,835,348 km (0.096 R)
• M12: 13,689,402 km (0.038 R)
• M13: 15,274,242 km (0.025 R)
• M14: 16,561,083 km (0.056 R)
• M15: 17,061,787 km (0.101 R)
• M16: 20,757,453 km (0.096 R)
• M17: 25,612,203 km (0.098 R)
• M18: 28,360,615 km (0.075 R)
• M19: 30,174,788 km (0.078 R)
• M20: 31,680,790 km (0.118 R)
• M21: 32,712,118 km (0.11 R)
• M22: 38,062,485 km (0.048 R)
• M23: 39,375,057 km (0.099 R)
• M24: 41,020,035 km (0.114 R)
• M25: 48,906,087 km (0.118 R)
• M26: 64,467,108 km (0.096 R)
• M27: 74,140,555 km (0.192 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 390.1

Radius: 6.3

Gravity: 9.83 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 8.77 AU - 11.85 AU

Year: 22453 Days

Day: 23.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 68,126,291 km

• M1: 93,798 km (0.084 R)
• M2: 308,022 km (0.117 R)
• M3: 745,297 km (0.116 R)
• M4: 995,723 km (0.11 R)
• M5: 1,493,585 km (0.095 R)
• M6: 1,720,824 km (0.115 R)
• M7: 1,934,151 km (0.083 R)
• M8: 2,266,557 km (0.099 R)
• M9: 3,782,881 km (0.103 R)
• M10: 4,083,872 km (0.115 R)
• M11: 4,666,107 km (0.093 R)
• M12: 5,119,838 km (0.071 R)
• M13: 6,658,751 km (0.105 R)
• M14: 6,876,117 km (0.103 R)
• M15: 7,417,362 km (0.087 R)
• M16: 7,745,879 km (0.116 R)
• M17: 8,331,704 km (0.119 R)
• M18: 9,481,812 km (0.098 R)
• M19: 9,757,222 km (0.118 R)
• M20: 12,221,697 km (0.076 R)
• M21: 12,880,377 km (0.078 R)
• M22: 14,268,196 km (0.118 R)
• M23: 17,833,263 km (0.118 R)
• M24: 21,006,234 km (0.085 R)
• M25: 23,219,235 km (0.093 R)
• M26: 24,639,816 km (0.039 R)
• M27: 25,266,033 km (0.116 R)
• M28: 26,768,295 km (0.115 R)
• M29: 30,543,248 km (0.043 R)
• M30: 31,387,129 km (0.099 R)
• M31: 38,288,378 km (0.069 R)
• M32: 39,980,031 km (0.088 R)
• M33: 43,511,737 km (0.072 R)
• M34: 48,536,730 km (0.105 R)
• M35: 48,863,153 km (0.062 R)
• M36: 56,058,511 km (0.098 R)
• M37: 59,720,218 km (0.036 R)
• M38: 61,800,526 km (0.072 R)
• M39: 66,908,695 km (0.098 R)
• M40: 68,126,272 km (0.082 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: 332 - 13,052 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit