🌌 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 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.38

Radius: 1.14

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.48 AU - 0.66 AU

Year: 282 Days

Day: 35.3 Hours

Environment

Temp: -119 °C

Axial Tilt: 6.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 705.8

Radius: 11.5

Gravity: 5.34 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.7 AU - 1.02 AU

Year: 523 Days

Day: 7 Hours

Environment

Temp: -145 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 32,794,118 km

• M1: 143,016 km (0.066 R)
• M2: 641,176 km (0.08 R)
• M3: 1,032,824 km (0.085 R)
• M4: 1,738,327 km (0.028 R)
• M5: 2,119,054 km (0.04 R)
• M6: 2,545,857 km (0.068 R)
• M7: 2,939,748 km (0.066 R)
• M8: 3,511,810 km (0.118 R)
• M9: 4,086,266 km (0.073 R)
• M10: 5,305,189 km (0.118 R)
• M11: 6,420,741 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 299

Radius: 8.8

Gravity: 3.86 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.87 AU - 1.13 AU

Year: 656 Days

Day: 6.4 Hours

Environment

Temp: -157 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 32,794,118 km

• M1: 109,506 km (0.075 R)
• M2: 521,349 km (0.108 R)
• M3: 1,101,788 km (0.118 R)
• M4: 1,824,196 km (0.043 R)
• M5: 2,213,450 km (0.096 R)
• M6: 2,558,273 km (0.108 R)
• M7: 2,960,542 km (0.118 R)
• M8: 3,263,478 km (0.105 R)
• M9: 3,712,271 km (0.073 R)
• M10: 4,243,194 km (0.059 R)
• M11: 4,718,616 km (0.111 R)
• M12: 5,374,603 km (0.116 R)
• M13: 5,656,894 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 934.1

Radius: 13.7

Gravity: 4.98 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 1.3 AU - 2.14 AU

Year: 1480 Days

Day: 5.7 Hours

Environment

Temp: -174 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 32,794,118 km

• M1: 170,691 km (0.117 R)
• M2: 638,633 km (0.075 R)
• M3: 1,592,021 km (0.071 R)
• M4: 2,821,715 km (0.118 R)
• M5: 3,474,411 km (0.077 R)
• M6: 4,493,471 km (0.079 R)
• M7: 6,881,652 km (0.078 R)
• M8: 7,810,505 km (0.089 R)
• M9: 8,424,903 km (0.078 R)
• M10: 9,230,189 km (0.1 R)
• M11: 10,086,188 km (0.105 R)
• M12: 11,284,766 km (0.08 R)
• M13: 11,956,759 km (0.063 R)
• M14: 12,497,705 km (0.104 R)
• M15: 13,054,808 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 742.1

Radius: 10.1

Gravity: 7.27 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 1.44 AU - 2.22 AU

Year: 1624 Days

Day: 12.9 Hours

Environment

Temp: -193 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 32,794,118 km

• M1: 125,662 km (0.108 R)
• M2: 517,908 km (0.074 R)
• M3: 980,764 km (0.095 R)
• M4: 1,329,775 km (0.084 R)
• M5: 1,722,320 km (0.109 R)
• M6: 2,052,782 km (0.057 R)
• M7: 2,438,744 km (0.112 R)
• M8: 2,916,410 km (0.046 R)
• M9: 4,378,730 km (0.079 R)
• M10: 4,856,844 km (0.089 R)
• M11: 5,325,385 km (0.095 R)
• M12: 6,181,384 km (0.038 R)
• M13: 6,758,233 km (0.091 R)
• M14: 7,648,042 km (0.083 R)
• M15: 8,984,848 km (0.087 R)
• M16: 9,334,159 km (0.082 R)
• M17: 10,264,209 km (0.047 R)
• M18: 12,153,929 km (0.114 R)
• M19: 14,009,691 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 770.2

Radius: 8.2

Gravity: 11.45 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 1.75 AU - 1.95 AU

Year: 1651 Days

Day: 9.1 Hours

Environment

Temp: -177 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 32,794,118 km

• M1: 102,026 km (0.097 R)
• M2: 369,956 km (0.068 R)
• M3: 887,564 km (0.114 R)
• M4: 1,174,343 km (0.034 R)
• M5: 1,919,640 km (0.103 R)
• M6: 2,282,265 km (0.115 R)
• M7: 2,607,491 km (0.09 R)
• M8: 3,084,259 km (0.068 R)
• M9: 4,542,240 km (0.037 R)
• M10: 4,995,671 km (0.094 R)
• M11: 5,255,373 km (0.094 R)
• M12: 6,162,983 km (0.095 R)
• M13: 6,641,248 km (0.083 R)
• M14: 6,929,224 km (0.114 R)
• M15: 7,930,931 km (0.087 R)
• M16: 8,558,195 km (0.074 R)
• M17: 9,250,384 km (0.093 R)
• M18: 10,357,708 km (0.104 R)
• M19: 10,710,160 km (0.11 R)
• M20: 11,143,545 km (0.079 R)
• M21: 13,281,449 km (0.084 R)
• M22: 14,338,208 km (0.098 R)
• M23: 14,600,004 km (0.109 R)
• M24: 14,998,533 km (0.09 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 209.8

Radius: 5.1

Gravity: 8.07 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 5.4 AU - 7.08 AU

Year: 10226 Days

Day: 23.1 Hours

Environment

Temp: -214 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 32,794,118 km

• M1: 68,366 km (0.111 R)
• M2: 241,900 km (0.06 R)
• M3: 466,895 km (0.115 R)
• M4: 652,097 km (0.098 R)
• M5: 1,478,775 km (0.102 R)
• M6: 2,111,424 km (0.087 R)
• M7: 2,402,841 km (0.067 R)
• M8: 2,794,937 km (0.11 R)
• M9: 3,483,386 km (0.112 R)
• M10: 3,683,249 km (0.087 R)
• M11: 4,033,308 km (0.104 R)
• M12: 4,560,192 km (0.114 R)
• M13: 4,936,281 km (0.118 R)
• M14: 5,873,212 km (0.084 R)
• M15: 6,124,986 km (0.046 R)
• M16: 6,616,115 km (0.096 R)
• M17: 6,854,275 km (0.108 R)
• M18: 8,054,349 km (0.073 R)
• M19: 16,447,239 km (0.108 R)
• M20: 18,044,196 km (0.095 R)
• M21: 18,643,485 km (0.073 R)
• M22: 19,532,396 km (0.112 R)
• M23: 20,809,513 km (0.119 R)
• M24: 22,065,686 km (0.075 R)
• M25: 24,647,147 km (0.098 R)
• M26: 25,054,951 km (0.087 R)
• M27: 25,467,392 km (0.1 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 488 - 16,080 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit