🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 103.4

Radius: 14.3

Gravity: 0.51 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.6 AU - 0.78 AU

Year: 396 Days

Day: 13.9 Hours

Environment

Temp: -150 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 68,191,606 km

• M1: 177,872 km (0.106 R)
• M2: 1,162,226 km (0.114 R)
• M3: 2,121,597 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 422.3

Radius: 8.7

Gravity: 5.58 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.77 AU - 0.79 AU

Year: 476 Days

Day: 6.3 Hours

Environment

Temp: -157 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 68,191,606 km

• M1: 108,309 km (0.077 R)
• M2: 525,238 km (0.107 R)
• M3: 820,544 km (0.108 R)
• M4: 1,137,093 km (0.069 R)
• M5: 1,693,149 km (0.067 R)
• M6: 2,312,633 km (0.076 R)
• M7: 3,151,429 km (0.075 R)
• M8: 3,757,001 km (0.059 R)
• M9: 4,180,064 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 914.2

Radius: 14.2

Gravity: 4.53 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.71 AU - 1.09 AU

Year: 589 Days

Day: 12.8 Hours

Environment

Temp: -169 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 68,191,606 km

• M1: 176,675 km (0.092 R)
• M2: 824,434 km (0.112 R)
• M3: 1,353,412 km (0.025 R)
• M4: 1,847,982 km (0.079 R)
• M5: 2,403,140 km (0.11 R)
• M6: 3,716,909 km (0.081 R)
• M7: 4,438,718 km (0.105 R)
• M8: 5,165,166 km (0.102 R)
• M9: 6,751,352 km (0.063 R)
• M10: 7,532,552 km (0.073 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 234.3

Radius: 8.4

Gravity: 3.32 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.87 AU - 1.15 AU

Year: 701 Days

Day: 6.5 Hours

Environment

Temp: -185 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 68,191,606 km

• M1: 105,018 km (0.103 R)
• M2: 418,724 km (0.113 R)
• M3: 956,080 km (0.105 R)
• M4: 1,342,940 km (0.094 R)
• M5: 1,832,125 km (0.107 R)
• M6: 2,200,585 km (0.113 R)
• M7: 2,608,239 km (0.108 R)
• M8: 2,957,251 km (0.106 R)
• M9: 3,372,086 km (0.103 R)
• M10: 3,724,089 km (0.058 R)
• M11: 4,140,869 km (0.09 R)
• M12: 4,445,151 km (0.068 R)
• M13: 4,945,107 km (0.065 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 952.9

Radius: 8.8

Gravity: 12.31 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.95 AU - 1.27 AU

Year: 807 Days

Day: 13 Hours

Environment

Temp: -174 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 68,191,606 km

• M1: 109,506 km (0.11 R)
• M2: 398,230 km (0.073 R)
• M3: 751,580 km (0.049 R)
• M4: 1,322,894 km (0.092 R)
• M5: 1,709,604 km (0.107 R)
• M6: 2,028,098 km (0.103 R)
• M7: 2,331,034 km (0.032 R)
• M8: 2,628,435 km (0.075 R)
• M9: 2,912,671 km (0.043 R)
• M10: 3,245,077 km (0.051 R)
• M11: 3,737,703 km (0.108 R)
• M12: 5,057,455 km (0.093 R)
• M13: 5,421,277 km (0.108 R)
• M14: 5,720,623 km (0.118 R)
• M15: 7,267,465 km (0.068 R)
• M16: 7,806,615 km (0.074 R)
• M17: 8,424,903 km (0.075 R)
• M18: 8,854,848 km (0.084 R)
• M19: 9,186,955 km (0.088 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 768.5

Radius: 7.7

Gravity: 12.96 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 5.41 AU - 8.67 AU

Year: 12893 Days

Day: 18.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 68,191,606 km

• M1: 95,892 km (0.105 R)
• M2: 337,044 km (0.068 R)
• M3: 1,072,467 km (0.093 R)
• M4: 1,532,481 km (0.093 R)
• M5: 1,816,866 km (0.119 R)
• M6: 2,514,591 km (0.113 R)
• M7: 2,775,938 km (0.108 R)
• M8: 4,367,061 km (0.037 R)
• M9: 4,779,203 km (0.119 R)
• M10: 5,182,369 km (0.047 R)
• M11: 5,681,129 km (0.063 R)
• M12: 6,250,648 km (0.092 R)
• M13: 7,240,238 km (0.028 R)
• M14: 8,426,250 km (0.109 R)
• M15: 9,371,259 km (0.08 R)
• M16: 10,275,279 km (0.099 R)
• M17: 10,720,183 km (0.093 R)
• M18: 13,999,219 km (0.099 R)
• M19: 15,178,499 km (0.114 R)
• M20: 16,422,555 km (0.066 R)
• M21: 17,108,012 km (0.087 R)
• M22: 21,178,870 km (0.105 R)
• M23: 22,082,291 km (0.067 R)
• M24: 26,571,275 km (0.083 R)
• M25: 34,389,858 km (0.116 R)
• M26: 34,636,844 km (0.074 R)
• M27: 40,101,804 km (0.081 R)
• M28: 40,650,529 km (0.108 R)
• M29: 42,468,143 km (0.102 R)
• M30: 45,369,444 km (0.12 R)
• M31: 46,415,283 km (0.104 R)
• M32: 47,937,142 km (0.088 R)
• M33: 50,440,961 km (0.081 R)
• M34: 53,857,627 km (0.061 R)
• M35: 56,048,338 km (0.085 R)
• M36: 57,947,782 km (0.096 R)
• M37: 58,648,948 km (0.092 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 387.8

Radius: 3.3

Gravity: 35.61 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 9.36 AU - 11.08 AU

Year: 22552 Days

Day: 15.3 Hours

Environment

Temp: -243 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 68,191,606 km

• M1: 41,139 km (0.051 R)
• M2: 144,661 km (0.103 R)
• M3: 1,537,118 km (0.074 R)
• M4: 2,359,009 km (0.077 R)
• M5: 2,467,916 km (0.092 R)
• M6: 3,810,258 km (0.042 R)
• M7: 3,930,235 km (0.094 R)
• M8: 4,146,105 km (0.026 R)
• M9: 6,376,310 km (0.109 R)
• M10: 6,503,019 km (0.114 R)
• M11: 7,484,082 km (0.082 R)
• M12: 8,009,919 km (0.111 R)
• M13: 8,922,615 km (0.078 R)
• M14: 9,188,002 km (0.113 R)
• M15: 9,902,631 km (0.103 R)
• M16: 10,015,727 km (0.096 R)
• M17: 11,503,777 km (0.069 R)
• M18: 21,375,292 km (0.107 R)
• M19: 21,946,008 km (0.061 R)
• M20: 22,429,059 km (0.038 R)
• M21: 22,919,291 km (0.109 R)
• M22: 23,316,623 km (0.048 R)
• M23: 23,718,443 km (0.078 R)
• M24: 36,528,060 km (0.102 R)
• M25: 38,031,070 km (0.089 R)
• M26: 42,041,938 km (0.09 R)
• M27: 43,388,618 km (0.096 R)
• M28: 44,763,872 km (0.053 R)
• M29: 53,804,221 km (0.116 R)
• M30: 65,568,148 km (0.086 R)
• M31: 65,767,562 km (0.057 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 379 - 16,839 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit