🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 830

Radius: 13.7

Gravity: 4.42 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.46 AU - 0.68 AU

Year: 297 Days

Day: 12.1 Hours

Environment

Temp: -138 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 31,944,304 km

• M1: 170,392 km (0.045 R)
• M2: 601,533 km (0.088 R)
• M3: 1,051,075 km (0.108 R)
• M4: 1,677,740 km (0.088 R)
• M5: 2,355,568 km (0.091 R)
• M6: 2,846,249 km (0.047 R)
• M7: 4,252,170 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 532.3

Radius: 9.8

Gravity: 5.54 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 1.57 AU - 1.73 AU

Year: 1463 Days

Day: 14 Hours

Environment

Temp: -190 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 31,944,304 km

• M1: 121,922 km (0.049 R)
• M2: 442,511 km (0.083 R)
• M3: 908,807 km (0.093 R)
• M4: 1,436,588 km (0.086 R)
• M5: 2,571,887 km (0.089 R)
• M6: 3,022,775 km (0.117 R)
• M7: 3,557,138 km (0.11 R)
• M8: 4,015,356 km (0.1 R)
• M9: 4,586,820 km (0.067 R)
• M10: 6,300,763 km (0.102 R)
• M11: 6,776,335 km (0.046 R)
• M12: 7,199,398 km (0.117 R)
• M13: 8,719,162 km (0.094 R)
• M14: 9,709,051 km (0.07 R)
• M15: 10,377,006 km (0.103 R)
• M16: 11,592,788 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 447.8

Radius: 8.4

Gravity: 6.35 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 2.13 AU - 2.53 AU

Year: 2455 Days

Day: 13.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 31,944,304 km

• M1: 104,868 km (0.108 R)
• M2: 568,771 km (0.047 R)
• M3: 2,396,259 km (0.089 R)
• M4: 2,920,150 km (0.106 R)
• M5: 3,837,485 km (0.102 R)
• M6: 4,432,884 km (0.085 R)
• M7: 5,405,121 km (0.089 R)
• M8: 5,929,312 km (0.082 R)
• M9: 6,254,687 km (0.101 R)
• M10: 6,859,511 km (0.094 R)
• M11: 8,003,935 km (0.116 R)
• M12: 9,437,830 km (0.086 R)
• M13: 9,986,705 km (0.095 R)
• M14: 10,376,408 km (0.105 R)
• M15: 12,764,887 km (0.09 R)
• M16: 13,139,779 km (0.11 R)
• M17: 14,622,294 km (0.052 R)
• M18: 15,639,111 km (0.078 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 757.2

Radius: 13.9

Gravity: 3.92 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 1.93 AU - 2.95 AU

Year: 2631 Days

Day: 10.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 31,944,304 km

• M1: 172,935 km (0.047 R)
• M2: 773,870 km (0.079 R)
• M3: 1,333,216 km (0.106 R)
• M4: 1,962,724 km (0.106 R)
• M5: 2,755,892 km (0.106 R)
• M6: 3,245,077 km (0.106 R)
• M7: 3,697,162 km (0.084 R)
• M8: 4,662,966 km (0.06 R)
• M9: 5,146,017 km (0.082 R)
• M10: 6,322,904 km (0.073 R)
• M11: 6,858,614 km (0.09 R)
• M12: 7,302,919 km (0.106 R)
• M13: 7,766,373 km (0.06 R)
• M14: 8,415,030 km (0.11 R)
• M15: 10,007,499 km (0.11 R)
• M16: 12,088,555 km (0.03 R)
• M17: 12,607,211 km (0.098 R)
• M18: 13,140,677 km (0.115 R)
• M19: 14,396,252 km (0.118 R)
• M20: 15,078,119 km (0.049 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 474.9

Radius: 10

Gravity: 4.75 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 3.56 AU - 5.16 AU

Year: 6284 Days

Day: 5.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 31,944,304 km

• M1: 124,316 km (0.112 R)
• M2: 516,561 km (0.087 R)
• M3: 857,196 km (0.091 R)
• M4: 1,218,325 km (0.061 R)
• M5: 1,619,397 km (0.11 R)
• M6: 2,020,469 km (0.034 R)
• M7: 2,487,364 km (0.103 R)
• M8: 2,856,123 km (0.067 R)
• M9: 3,281,579 km (0.115 R)
• M10: 6,720,385 km (0.085 R)
• M11: 7,195,358 km (0.07 R)
• M12: 10,396,902 km (0.092 R)
• M13: 12,942,609 km (0.118 R)
• M14: 17,785,691 km (0.116 R)
• M15: 20,187,933 km (0.11 R)
• M16: 22,200,025 km (0.092 R)
• M17: 23,484,921 km (0.097 R)
• M18: 26,368,569 km (0.076 R)
• M19: 28,945,393 km (0.117 R)
• M20: 30,386,170 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 233.2

Radius: 12.8

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 4.07 AU - 6.43 AU

Year: 8303 Days

Day: 14.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 31,944,304 km

• M1: 160,668 km (0.063 R)
• M2: 602,281 km (0.059 R)
• M3: 1,087,128 km (0.105 R)
• M4: 2,230,803 km (0.119 R)
• M5: 3,251,510 km (0.097 R)
• M6: 3,946,541 km (0.108 R)
• M7: 5,926,768 km (0.086 R)
• M8: 7,618,122 km (0.08 R)
• M9: 8,885,814 km (0.038 R)
• M10: 12,221,548 km (0.088 R)
• M11: 15,672,471 km (0.115 R)
• M12: 21,242,449 km (0.062 R)
• M13: 26,096,451 km (0.109 R)
• M14: 27,332,728 km (0.099 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 171

Radius: 3.4

Gravity: 14.79 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 5.57 AU - 7.01 AU

Year: 10889 Days

Day: 20.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 31,944,304 km

• M1: 42,486 km (0.046 R)
• M2: 377,435 km (0.061 R)
• M3: 1,188,705 km (0.103 R)
• M4: 1,375,253 km (0.089 R)
• M5: 1,481,617 km (0.045 R)
• M6: 2,240,976 km (0.12 R)
• M7: 2,474,050 km (0.045 R)
• M8: 3,935,022 km (0.113 R)
• M9: 4,126,508 km (0.095 R)
• M10: 5,235,028 km (0.034 R)
• M11: 5,826,837 km (0.115 R)
• M12: 7,943,497 km (0.064 R)
• M13: 8,210,679 km (0.037 R)
• M14: 8,327,066 km (0.06 R)
• M15: 11,850,695 km (0.086 R)
• M16: 13,022,195 km (0.072 R)
• M17: 13,991,290 km (0.064 R)
• M18: 14,720,430 km (0.066 R)
• M19: 15,298,177 km (0.055 R)
• M20: 16,193,072 km (0.092 R)
• M21: 16,376,180 km (0.111 R)
• M22: 16,622,418 km (0.119 R)
• M23: 17,761,007 km (0.117 R)
• M24: 21,856,847 km (0.05 R)
• M25: 23,532,194 km (0.119 R)
• M26: 23,845,751 km (0.113 R)
• M27: 24,883,960 km (0.053 R)
• M28: 30,809,532 km (0.033 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 463 - 10,951 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit