🌌 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: 144.5

Radius: 11.7

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.45 AU - 0.69 AU

Year: 297 Days

Day: 11.9 Hours

Environment

Temp: -138 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 64,320,112 km

• M1: 145,559 km (0.118 R)
• M2: 571,913 km (0.091 R)
• M3: 1,034,320 km (0.107 R)
• M4: 1,442,572 km (0.086 R)
• M5: 1,822,551 km (0.092 R)
• M6: 2,614,372 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 634.2

Radius: 8.5

Gravity: 8.78 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 1.73 AU - 2.19 AU

Year: 1894 Days

Day: 9.2 Hours

Environment

Temp: -206 °C

Axial Tilt: 41.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 64,320,112 km

• M1: 105,766 km (0.064 R)
• M2: 420,520 km (0.111 R)
• M3: 686,205 km (0.107 R)
• M4: 1,027,438 km (0.098 R)
• M5: 1,382,733 km (0.085 R)
• M6: 1,894,956 km (0.041 R)
• M7: 2,195,798 km (0.106 R)
• M8: 2,501,875 km (0.118 R)
• M9: 2,969,518 km (0.054 R)
• M10: 3,527,967 km (0.051 R)
• M11: 3,805,770 km (0.114 R)
• M12: 4,585,474 km (0.101 R)
• M13: 4,853,853 km (0.092 R)
• M14: 6,484,170 km (0.084 R)
• M15: 8,177,768 km (0.097 R)
• M16: 8,542,786 km (0.104 R)
• M17: 10,112,816 km (0.094 R)
• M18: 11,186,779 km (0.06 R)
• M19: 12,177,416 km (0.097 R)
• M20: 12,493,666 km (0.034 R)
• M21: 13,308,376 km (0.046 R)
• M22: 13,601,738 km (0.118 R)
• M23: 15,407,833 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 15.3

Radius: 8.7

Gravity: 0.2 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 2.42 AU - 3.52 AU

Year: 3533 Days

Day: 13 Hours

Environment

Temp: -203 °C

Axial Tilt: 42 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 64,320,112 km

• M1: 108,159 km (0.054 R)
• M2: 562,338 km (0.076 R)
• M3: 937,979 km (0.117 R)
• M4: 1,423,573 km (0.12 R)
• M5: 2,616,916 km (0.116 R)
• M6: 2,931,071 km (0.112 R)
• M7: 3,307,011 km (0.08 R)
• M8: 5,226,800 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 39.5

Radius: 12.2

Gravity: 0.27 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 2.66 AU - 3.64 AU

Year: 3859 Days

Day: 10 Hours

Environment

Temp: -216 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 64,320,112 km

• M1: 151,842 km (0.084 R)
• M2: 552,016 km (0.088 R)
• M3: 1,330,972 km (0.059 R)
• M4: 1,839,755 km (0.11 R)
• M5: 2,993,753 km (0.115 R)
• M6: 3,728,727 km (0.115 R)
• M7: 4,862,380 km (0.08 R)
• M8: 6,192,005 km (0.042 R)
• M9: 6,759,879 km (0.065 R)
• M10: 7,482,287 km (0.07 R)
• M11: 8,385,110 km (0.116 R)
• M12: 8,863,075 km (0.108 R)
• M13: 9,331,167 km (0.076 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 204

Radius: 13.2

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 3.88 AU - 4 AU

Year: 5398 Days

Day: 10.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 64,320,112 km

• M1: 201,508 km (0.094 R)
• M2: 732,730 km (0.094 R)
• M3: 1,471,893 km (0.074 R)
• M4: 2,844,005 km (0.062 R)
• M5: 4,510,974 km (0.03 R)
• M6: 6,163,283 km (0.09 R)
• M7: 7,511,459 km (0.108 R)
• M8: 8,491,325 km (0.067 R)
• M9: 9,012,374 km (0.026 R)
• M10: 10,234,140 km (0.094 R)
• M11: 14,959,189 km (0.032 R)
• M12: 15,824,313 km (0.086 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 658.2

Radius: 6.3

Gravity: 16.58 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 5.87 AU - 8.97 AU

Year: 13951 Days

Day: 23.5 Hours

Environment

Temp: -241 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 64,320,112 km

• M1: 78,389 km (0.094 R)
• M2: 315,352 km (0.061 R)
• M3: 586,424 km (0.056 R)
• M4: 1,921,734 km (0.116 R)
• M5: 2,275,832 km (0.102 R)
• M6: 2,672,566 km (0.052 R)
• M7: 2,922,843 km (0.086 R)
• M8: 3,289,059 km (0.078 R)
• M9: 3,824,769 km (0.06 R)
• M10: 6,723,975 km (0.069 R)
• M11: 7,450,572 km (0.108 R)
• M12: 12,501,744 km (0.102 R)
• M13: 16,350,150 km (0.072 R)
• M14: 21,366,166 km (0.107 R)
• M15: 24,172,024 km (0.1 R)
• M16: 28,936,567 km (0.108 R)
• M17: 31,654,461 km (0.067 R)
• M18: 32,241,333 km (0.052 R)
• M19: 35,916,055 km (0.111 R)
• M20: 38,915,642 km (0.082 R)
• M21: 49,064,661 km (0.054 R)
• M22: 57,131,427 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 496.1

Radius: 4.8

Gravity: 21.53 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 7.84 AU - 9.92 AU

Year: 18265 Days

Day: 21 Hours

Environment

Temp: -232 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 64,320,112 km

• M1: 59,690 km (0.116 R)
• M2: 343,178 km (0.102 R)
• M3: 543,489 km (0.114 R)
• M4: 707,299 km (0.12 R)
• M5: 1,455,288 km (0.086 R)
• M6: 2,145,682 km (0.079 R)
• M7: 3,210,221 km (0.077 R)
• M8: 3,871,593 km (0.109 R)
• M9: 4,265,634 km (0.114 R)
• M10: 5,240,413 km (0.03 R)
• M11: 7,853,739 km (0.05 R)
• M12: 8,044,177 km (0.106 R)
• M13: 8,991,430 km (0.107 R)
• M14: 13,324,682 km (0.103 R)
• M15: 18,117,649 km (0.101 R)
• M16: 18,787,398 km (0.059 R)
• M17: 21,353,899 km (0.096 R)
• M18: 22,100,991 km (0.072 R)
• M19: 24,955,468 km (0.112 R)
• M20: 38,283,292 km (0.098 R)
• M21: 38,693,788 km (0.105 R)
• M22: 42,961,666 km (0.025 R)
• M23: 49,772,857 km (0.112 R)
• M24: 54,289,666 km (0.099 R)
• M25: 63,552,018 km (0.102 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 522 - 12,071 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit