🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 427.4

Radius: 12.7

Gravity: 2.65 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 0.68 AU - 0.8 AU

Year: 432 Days

Day: 14.1 Hours

Environment

Temp: -158 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 40,162,078 km

• M1: 157,975 km (0.093 R)
• M2: 591,211 km (0.069 R)
• M3: 1,006,345 km (0.081 R)
• M4: 1,456,036 km (0.102 R)
• M5: 1,890,917 km (0.084 R)
• M6: 2,475,097 km (0.063 R)
• M7: 2,909,828 km (0.12 R)
• M8: 3,600,222 km (0.103 R)
• M9: 4,939,123 km (0.036 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 692.6

Radius: 10.9

Gravity: 5.83 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.72 AU - 0.76 AU

Year: 432 Days

Day: 14.1 Hours

Environment

Temp: -161 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 40,162,078 km

• M1: 135,536 km (0.12 R)
• M2: 579,692 km (0.088 R)
• M3: 925,712 km (0.047 R)
• M4: 1,287,888 km (0.115 R)
• M5: 1,673,551 km (0.085 R)
• M6: 2,358,560 km (0.114 R)
• M7: 2,756,191 km (0.108 R)
• M8: 3,097,723 km (0.107 R)
• M9: 3,564,618 km (0.11 R)
• M10: 4,227,785 km (0.117 R)
• M11: 4,774,117 km (0.099 R)
• M12: 5,366,824 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 422.3

Radius: 12.6

Gravity: 2.66 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 1.31 AU - 1.91 AU

Year: 1386 Days

Day: 5.6 Hours

Environment

Temp: -198 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 40,162,078 km

• M1: 156,779 km (0.109 R)
• M2: 565,181 km (0.062 R)
• M3: 1,408,015 km (0.068 R)
• M4: 1,938,340 km (0.097 R)
• M5: 2,697,998 km (0.072 R)
• M6: 3,818,186 km (0.095 R)
• M7: 5,187,905 km (0.07 R)
• M8: 6,699,142 km (0.08 R)
• M9: 7,670,481 km (0.07 R)
• M10: 8,190,334 km (0.089 R)
• M11: 8,761,349 km (0.116 R)
• M12: 10,013,782 km (0.12 R)
• M13: 10,699,090 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 676

Radius: 13.5

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 2 AU - 2.98 AU

Year: 2665 Days

Day: 7.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 40,162,078 km

• M1: 168,298 km (0.088 R)
• M2: 588,817 km (0.094 R)
• M3: 1,339,200 km (0.074 R)
• M4: 2,150,769 km (0.052 R)
• M5: 2,661,645 km (0.106 R)
• M6: 3,118,218 km (0.084 R)
• M7: 3,815,793 km (0.06 R)
• M8: 4,358,235 km (0.058 R)
• M9: 5,114,302 km (0.029 R)
• M10: 5,623,982 km (0.076 R)
• M11: 6,717,543 km (0.046 R)
• M12: 7,822,024 km (0.061 R)
• M13: 8,871,752 km (0.111 R)
• M14: 9,324,286 km (0.104 R)
• M15: 10,162,782 km (0.119 R)
• M16: 11,616,723 km (0.06 R)
• M17: 14,500,222 km (0.115 R)
• M18: 17,667,209 km (0.097 R)
• M19: 18,610,274 km (0.061 R)
• M20: 19,703,984 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 949.4

Radius: 11.2

Gravity: 7.57 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 2.31 AU - 3.23 AU

Year: 3127 Days

Day: 14 Hours

Environment

Temp: -207 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 40,162,078 km

• M1: 139,425 km (0.034 R)
• M2: 682,465 km (0.108 R)
• M3: 1,051,374 km (0.109 R)
• M4: 1,536,370 km (0.11 R)
• M5: 1,914,404 km (0.087 R)
• M6: 2,616,616 km (0.118 R)
• M7: 3,254,801 km (0.114 R)
• M8: 3,783,929 km (0.07 R)
• M9: 4,965,453 km (0.074 R)
• M10: 7,403,748 km (0.089 R)
• M11: 8,007,974 km (0.103 R)
• M12: 11,185,582 km (0.096 R)
• M13: 11,846,356 km (0.033 R)
• M14: 13,294,613 km (0.116 R)
• M15: 14,137,148 km (0.036 R)
• M16: 14,545,850 km (0.1 R)
• M17: 15,819,526 km (0.116 R)
• M18: 16,652,337 km (0.029 R)
• M19: 19,016,433 km (0.102 R)
• M20: 20,407,992 km (0.118 R)
• M21: 21,663,417 km (0.107 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 699

Radius: 12.2

Gravity: 4.7 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 3.37 AU - 4.11 AU

Year: 4906 Days

Day: 11.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 40,162,078 km

• M1: 153,787 km (0.077 R)
• M2: 635,342 km (0.096 R)
• M3: 1,024,297 km (0.097 R)
• M4: 1,816,417 km (0.057 R)
• M5: 2,542,865 km (0.104 R)
• M6: 2,983,430 km (0.11 R)
• M7: 3,975,115 km (0.12 R)
• M8: 4,880,481 km (0.108 R)
• M9: 5,538,263 km (0.114 R)
• M10: 6,161,488 km (0.05 R)
• M11: 6,765,115 km (0.104 R)
• M12: 7,548,409 km (0.092 R)
• M13: 8,054,200 km (0.111 R)
• M14: 8,974,077 km (0.112 R)
• M15: 9,792,976 km (0.098 R)
• M16: 10,439,388 km (0.06 R)
• M17: 11,722,040 km (0.098 R)
• M18: 13,892,556 km (0.083 R)
• M19: 17,228,140 km (0.097 R)
• M20: 20,434,471 km (0.117 R)
• M21: 21,850,714 km (0.07 R)
• M22: 25,115,687 km (0.086 R)
• M23: 26,000,409 km (0.089 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 853.5

Radius: 9

Gravity: 10.54 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 2.91 AU - 4.59 AU

Year: 4925 Days

Day: 5.6 Hours

Environment

Temp: -208 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 40,162,078 km

• M1: 112,498 km (0.119 R)
• M2: 417,378 km (0.047 R)
• M3: 756,965 km (0.031 R)
• M4: 1,152,502 km (0.09 R)
• M5: 1,498,223 km (0.04 R)
• M6: 1,884,784 km (0.078 R)
• M7: 3,033,097 km (0.102 R)
• M8: 4,541,791 km (0.042 R)
• M9: 4,993,278 km (0.111 R)
• M10: 5,416,341 km (0.119 R)
• M11: 6,334,273 km (0.098 R)
• M12: 6,729,211 km (0.102 R)
• M13: 7,036,186 km (0.112 R)
• M14: 7,532,253 km (0.092 R)
• M15: 8,834,502 km (0.08 R)
• M16: 10,688,618 km (0.052 R)
• M17: 13,101,931 km (0.105 R)
• M18: 13,581,691 km (0.069 R)
• M19: 14,746,760 km (0.036 R)
• M20: 16,158,365 km (0.106 R)
• M21: 19,316,227 km (0.066 R)
• M22: 21,221,206 km (0.116 R)
• M23: 25,400,970 km (0.091 R)
• M24: 27,945,032 km (0.118 R)
• M25: 28,740,145 km (0.075 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 378.4

Radius: 6.9

Gravity: 7.95 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 5.97 AU - 6.31 AU

Year: 10319 Days

Day: 18.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 40,162,078 km

• M1: 91,703 km (0.052 R)
• M2: 548,426 km (0.086 R)
• M3: 848,669 km (0.06 R)
• M4: 1,135,747 km (0.103 R)
• M5: 1,703,022 km (0.045 R)
• M6: 1,971,251 km (0.098 R)
• M7: 2,593,429 km (0.089 R)
• M8: 3,689,233 km (0.117 R)
• M9: 4,490,330 km (0.115 R)
• M10: 4,800,745 km (0.106 R)
• M11: 5,528,090 km (0.118 R)
• M12: 5,885,031 km (0.113 R)
• M13: 6,326,494 km (0.082 R)
• M14: 7,391,032 km (0.108 R)
• M15: 7,824,567 km (0.09 R)
• M16: 9,544,943 km (0.116 R)
• M17: 13,831,969 km (0.119 R)
• M18: 14,734,792 km (0.073 R)
• M19: 15,106,543 km (0.12 R)
• M20: 15,804,716 km (0.105 R)
• M21: 19,031,093 km (0.108 R)
• M22: 20,146,644 km (0.1 R)
• M23: 25,399,175 km (0.113 R)
• M24: 27,864,847 km (0.094 R)
• M25: 30,786,643 km (0.072 R)
• M26: 35,321,553 km (0.078 R)
• M27: 39,922,137 km (0.113 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 413 - 18,733 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit