🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 42.8

Radius: 11.1

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.66 AU - 0.98 AU

Year: 504 Days

Day: 12.6 Hours

Environment

Temp: -165 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 33,215,786 km

• M1: 138,079 km (0.079 R)
• M2: 537,804 km (0.069 R)
• M3: 1,125,126 km (0.027 R)
• M4: 1,542,354 km (0.09 R)
• M5: 2,132,667 km (0.049 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 312.8

Radius: 8.6

Gravity: 4.23 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 1.1 AU - 1.36 AU

Year: 925 Days

Day: 8.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 33,215,786 km

• M1: 107,112 km (0.119 R)
• M2: 399,576 km (0.112 R)
• M3: 1,117,795 km (0.115 R)
• M4: 1,544,299 km (0.073 R)
• M5: 1,855,462 km (0.119 R)
• M6: 2,541,668 km (0.061 R)
• M7: 3,387,494 km (0.103 R)
• M8: 3,721,546 km (0.087 R)
• M9: 4,121,870 km (0.087 R)
• M10: 4,440,663 km (0.109 R)
• M11: 4,775,912 km (0.072 R)
• M12: 5,606,180 km (0.113 R)
• M13: 7,220,790 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 64.8

Radius: 10.1

Gravity: 0.64 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 2.74 AU - 3.14 AU

Year: 3419 Days

Day: 10.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 33,215,786 km

• M1: 126,111 km (0.093 R)
• M2: 885,320 km (0.066 R)
• M3: 2,121,447 km (0.072 R)
• M4: 2,509,355 km (0.087 R)
• M5: 3,668,439 km (0.099 R)
• M6: 4,419,570 km (0.114 R)
• M7: 5,368,469 km (0.103 R)
• M8: 5,987,206 km (0.079 R)
• M9: 7,974,015 km (0.075 R)
• M10: 8,397,228 km (0.035 R)
• M11: 8,891,200 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 309.1

Radius: 8.5

Gravity: 4.28 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 2.67 AU - 3.77 AU

Year: 3919 Days

Day: 9.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 33,215,786 km

• M1: 106,214 km (0.05 R)
• M2: 373,097 km (0.069 R)
• M3: 1,050,177 km (0.082 R)
• M4: 1,651,860 km (0.116 R)
• M5: 1,999,376 km (0.099 R)
• M6: 2,298,571 km (0.088 R)
• M7: 3,471,718 km (0.119 R)
• M8: 3,809,211 km (0.071 R)
• M9: 4,378,131 km (0.087 R)
• M10: 4,955,878 km (0.114 R)
• M11: 5,916,745 km (0.095 R)
• M12: 6,510,948 km (0.073 R)
• M13: 6,822,710 km (0.116 R)
• M14: 8,235,812 km (0.113 R)
• M15: 9,797,613 km (0.07 R)
• M16: 10,094,715 km (0.076 R)
• M17: 10,436,097 km (0.065 R)
• M18: 10,903,142 km (0.113 R)
• M19: 11,222,383 km (0.11 R)
• M20: 12,474,966 km (0.098 R)
• M21: 14,098,103 km (0.087 R)
• M22: 15,756,097 km (0.116 R)
• M23: 19,454,754 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 195

Radius: 11.5

Gravity: 1.47 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 2.73 AU - 4.13 AU

Year: 4309 Days

Day: 10.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 33,215,786 km

• M1: 143,016 km (0.113 R)
• M2: 624,870 km (0.119 R)
• M3: 1,234,482 km (0.112 R)
• M4: 1,914,105 km (0.053 R)
• M5: 2,373,520 km (0.108 R)
• M6: 2,814,684 km (0.065 R)
• M7: 3,789,314 km (0.097 R)
• M8: 5,134,648 km (0.097 R)
• M9: 8,643,765 km (0.054 R)
• M10: 10,054,024 km (0.117 R)
• M11: 10,833,279 km (0.072 R)
• M12: 11,772,455 km (0.073 R)
• M13: 13,021,896 km (0.071 R)
• M14: 14,682,283 km (0.092 R)
• M15: 17,774,172 km (0.087 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 279.8

Radius: 8.6

Gravity: 3.78 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 3.51 AU - 3.61 AU

Year: 4556 Days

Day: 7 Hours

Environment

Temp: -219 °C

Axial Tilt: 56.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 33,215,786 km

• M1: 107,112 km (0.084 R)
• M2: 470,934 km (0.105 R)
• M3: 859,889 km (0.071 R)
• M4: 1,843,345 km (0.117 R)
• M5: 2,438,445 km (0.109 R)
• M6: 2,821,117 km (0.05 R)
• M7: 4,110,501 km (0.082 R)
• M8: 4,746,292 km (0.075 R)
• M9: 5,075,856 km (0.096 R)
• M10: 8,290,415 km (0.061 R)
• M11: 9,449,499 km (0.103 R)
• M12: 12,129,246 km (0.071 R)
• M13: 15,738,743 km (0.086 R)
• M14: 18,874,913 km (0.119 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 325.4

Radius: 11.3

Gravity: 2.55 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 4.68 AU - 6 AU

Year: 8370 Days

Day: 13 Hours

Environment

Temp: -216 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 33,215,786 km

• M1: 141,819 km (0.07 R)
• M2: 532,568 km (0.087 R)
• M3: 972,536 km (0.086 R)
• M4: 1,487,003 km (0.096 R)
• M5: 1,955,394 km (0.117 R)
• M6: 2,386,984 km (0.118 R)
• M7: 2,957,999 km (0.087 R)
• M8: 3,380,912 km (0.095 R)
• M9: 4,425,554 km (0.112 R)
• M10: 4,845,026 km (0.038 R)
• M11: 5,205,408 km (0.102 R)
• M12: 5,643,430 km (0.05 R)
• M13: 7,037,682 km (0.05 R)
• M14: 7,834,141 km (0.092 R)
• M15: 8,851,706 km (0.099 R)
• M16: 10,818,170 km (0.112 R)
• M17: 11,533,996 km (0.117 R)
• M18: 12,230,374 km (0.085 R)
• M19: 15,181,790 km (0.115 R)
• M20: 15,596,176 km (0.112 R)
• M21: 18,177,787 km (0.1 R)
• M22: 20,309,856 km (0.103 R)
• M23: 21,770,829 km (0.108 R)
• M24: 23,066,795 km (0.114 R)
• M25: 23,615,071 km (0.083 R)
• M26: 24,012,104 km (0.099 R)
• M27: 28,408,935 km (0.098 R)
• M28: 32,233,404 km (0.084 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 248 - 16,073 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit