🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 765.9

Radius: 13.8

Gravity: 4.02 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.48 AU - 0.74 AU

Year: 329 Days

Day: 11.7 Hours

Environment

Temp: -146 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 48,186,844 km

• M1: 171,738 km (0.109 R)
• M2: 680,670 km (0.037 R)
• M3: 1,144,424 km (0.084 R)
• M4: 2,013,587 km (0.07 R)
• M5: 2,774,891 km (0.103 R)
• M6: 3,757,300 km (0.116 R)
• M7: 4,989,089 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 700.3

Radius: 9.2

Gravity: 8.27 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.53 AU - 0.73 AU

Year: 345 Days

Day: 7.2 Hours

Environment

Temp: -152 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 48,186,844 km

• M1: 114,442 km (0.073 R)
• M2: 444,455 km (0.103 R)
• M3: 739,911 km (0.099 R)
• M4: 1,239,269 km (0.068 R)
• M5: 1,626,278 km (0.086 R)
• M6: 2,013,587 km (0.091 R)
• M7: 2,319,964 km (0.051 R)
• M8: 2,813,637 km (0.078 R)
• M9: 3,342,166 km (0.111 R)
• M10: 4,088,061 km (0.089 R)
• M11: 4,378,131 km (0.064 R)
• M12: 5,029,331 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 392.8

Radius: 10.4

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 1.22 AU - 1.64 AU

Year: 1180 Days

Day: 12.9 Hours

Environment

Temp: -183 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 48,186,844 km

• M1: 129,402 km (0.062 R)
• M2: 468,989 km (0.102 R)
• M3: 1,497,175 km (0.067 R)
• M4: 1,834,369 km (0.088 R)
• M5: 2,459,389 km (0.103 R)
• M6: 2,972,510 km (0.093 R)
• M7: 3,991,122 km (0.103 R)
• M8: 4,719,514 km (0.053 R)
• M9: 5,265,546 km (0.097 R)
• M10: 7,159,305 km (0.042 R)
• M11: 8,571,360 km (0.032 R)
• M12: 9,329,372 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 60.9

Radius: 8

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 1.67 AU - 2.15 AU

Year: 1822 Days

Day: 11.8 Hours

Environment

Temp: -197 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 48,186,844 km

• M1: 99,483 km (0.086 R)
• M2: 395,088 km (0.085 R)
• M3: 891,903 km (0.07 R)
• M4: 1,208,601 km (0.111 R)
• M5: 1,470,098 km (0.104 R)
• M6: 1,900,940 km (0.045 R)
• M7: 2,790,150 km (0.066 R)
• M8: 5,290,529 km (0.052 R)
• M9: 5,854,363 km (0.089 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 327.5

Radius: 10.3

Gravity: 3.09 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 2.22 AU - 2.28 AU

Year: 2330 Days

Day: 11.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 48,186,844 km

• M1: 128,056 km (0.093 R)
• M2: 492,775 km (0.063 R)
• M3: 1,133,204 km (0.098 R)
• M4: 1,479,074 km (0.047 R)
• M5: 1,993,541 km (0.077 R)
• M6: 2,379,504 km (0.084 R)
• M7: 4,007,877 km (0.076 R)
• M8: 5,055,660 km (0.082 R)
• M9: 6,498,083 km (0.109 R)
• M10: 7,247,269 km (0.096 R)
• M11: 7,768,767 km (0.075 R)
• M12: 8,139,770 km (0.111 R)
• M13: 8,733,673 km (0.071 R)
• M14: 10,516,880 km (0.078 R)
• M15: 12,070,903 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 654.3

Radius: 12.6

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 2.24 AU - 2.64 AU

Year: 2631 Days

Day: 5.1 Hours

Environment

Temp: -214 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 48,186,844 km

• M1: 156,629 km (0.076 R)
• M2: 552,166 km (0.106 R)
• M3: 973,882 km (0.101 R)
• M4: 1,443,320 km (0.065 R)
• M5: 2,077,166 km (0.11 R)
• M6: 2,559,769 km (0.112 R)
• M7: 3,285,917 km (0.096 R)
• M8: 3,811,604 km (0.082 R)
• M9: 4,206,393 km (0.059 R)
• M10: 5,363,682 km (0.075 R)
• M11: 7,183,989 km (0.113 R)
• M12: 8,430,588 km (0.119 R)
• M13: 11,674,019 km (0.094 R)
• M14: 13,392,450 km (0.094 R)
• M15: 14,171,705 km (0.077 R)
• M16: 16,901,418 km (0.113 R)
• M17: 17,432,939 km (0.102 R)
• M18: 18,417,891 km (0.109 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 345.1

Radius: 13

Gravity: 2.04 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 3.46 AU - 5.02 AU

Year: 6026 Days

Day: 12.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 48,186,844 km

• M1: 161,715 km (0.104 R)
• M2: 665,112 km (0.084 R)
• M3: 1,444,816 km (0.027 R)
• M4: 2,137,305 km (0.076 R)
• M5: 2,743,475 km (0.066 R)
• M6: 3,190,773 km (0.032 R)
• M7: 3,987,082 km (0.116 R)
• M8: 4,444,852 km (0.049 R)
• M9: 5,014,670 km (0.055 R)
• M10: 5,717,182 km (0.105 R)
• M11: 7,352,885 km (0.079 R)
• M12: 8,629,703 km (0.069 R)
• M13: 9,242,456 km (0.074 R)
• M14: 10,300,262 km (0.032 R)
• M15: 16,540,438 km (0.104 R)
• M16: 17,307,127 km (0.108 R)
• M17: 17,974,334 km (0.111 R)
• M18: 19,167,078 km (0.051 R)
• M19: 19,619,462 km (0.093 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 104.4

Radius: 13.5

Gravity: 0.57 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 4.78 AU - 4.98 AU

Year: 7441 Days

Day: 11.7 Hours

Environment

Temp: -231 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 48,186,844 km

• M1: 169,494 km (0.044 R)
• M2: 681,867 km (0.101 R)
• M3: 1,932,505 km (0.085 R)
• M4: 2,547,353 km (0.116 R)
• M5: 3,050,001 km (0.056 R)
• M6: 3,969,729 km (0.058 R)
• M7: 7,383,253 km (0.098 R)
• M8: 8,115,984 km (0.112 R)
• M9: 11,334,432 km (0.032 R)
• M10: 12,050,557 km (0.094 R)
• M11: 15,170,720 km (0.073 R)
• M12: 16,250,517 km (0.101 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 208.6

Radius: 7.9

Gravity: 3.34 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 7.41 AU - 10.35 AU

Year: 18265 Days

Day: 23.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 48,186,844 km

• M1: 101,876 km (0.104 R)
• M2: 506,538 km (0.105 R)
• M3: 1,142,629 km (0.113 R)
• M4: 1,630,168 km (0.119 R)
• M5: 1,955,095 km (0.087 R)
• M6: 2,323,255 km (0.115 R)
• M7: 2,928,977 km (0.089 R)
• M8: 3,585,263 km (0.054 R)
• M9: 3,868,451 km (0.1 R)
• M10: 5,154,993 km (0.111 R)
• M11: 6,001,717 km (0.099 R)
• M12: 9,824,691 km (0.109 R)
• M13: 10,959,839 km (0.091 R)
• M14: 13,243,750 km (0.056 R)
• M15: 14,303,950 km (0.106 R)
• M16: 14,626,333 km (0.106 R)
• M17: 15,085,748 km (0.079 R)
• M18: 18,122,136 km (0.073 R)
• M19: 18,423,726 km (0.1 R)
• M20: 19,114,718 km (0.102 R)
• M21: 20,548,315 km (0.111 R)
• M22: 21,627,364 km (0.09 R)
• M23: 23,988,318 km (0.115 R)
• M24: 27,002,715 km (0.098 R)
• M25: 28,498,843 km (0.11 R)
• M26: 29,944,407 km (0.098 R)
• M27: 32,646,295 km (0.037 R)
• M28: 43,851,773 km (0.116 R)
• M29: 45,082,366 km (0.089 R)
• M30: 46,758,610 km (0.038 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 548 - 13,666 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit