🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 737.6

Radius: 8.1

Gravity: 11.24 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.53 AU - 0.67 AU

Year: 321 Days

Day: 6 Hours

Environment

Temp: -147 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 10,212,555 km

• M1: 100,679 km (0.089 R)
• M2: 367,412 km (0.092 R)
• M3: 648,357 km (0.107 R)
• M4: 1,078,601 km (0.115 R)
• M5: 1,339,200 km (0.052 R)
• M6: 1,818,063 km (0.056 R)
• M7: 2,077,914 km (0.102 R)
• M8: 2,514,890 km (0.066 R)
• M9: 2,899,506 km (0.057 R)
• M10: 3,322,868 km (0.117 R)
• M11: 4,660,422 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 23.4

Radius: 12.9

Gravity: 0.14 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.6 AU - 0.74 AU

Year: 379 Days

Day: 6.9 Hours

Environment

Temp: -154 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (2)

Outer Limit: 10,212,555 km

• M1: 160,519 km (0.077 R)
• M2: 633,098 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 394

Radius: 10

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.7 AU - 1 AU

Year: 541 Days

Day: 14.8 Hours

Environment

Temp: -160 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 10,212,555 km

• M1: 124,316 km (0.056 R)
• M2: 473,328 km (0.058 R)
• M3: 913,145 km (0.112 R)
• M4: 1,305,092 km (0.085 R)
• M5: 1,839,605 km (0.116 R)
• M6: 2,197,443 km (0.101 R)
• M7: 2,650,725 km (0.074 R)
• M8: 3,278,886 km (0.072 R)
• M9: 3,671,730 km (0.045 R)
• M10: 4,149,695 km (0.102 R)
• M11: 4,727,143 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 726.3

Radius: 8.1

Gravity: 11.07 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 1.04 AU - 1.1 AU

Year: 764 Days

Day: 10 Hours

Environment

Temp: -180 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 10,212,555 km

• M1: 100,679 km (0.026 R)
• M2: 362,476 km (0.092 R)
• M3: 661,671 km (0.114 R)
• M4: 920,177 km (0.088 R)
• M5: 1,214,436 km (0.075 R)
• M6: 1,540,260 km (0.119 R)
• M7: 1,896,602 km (0.097 R)
• M8: 2,983,580 km (0.086 R)
• M9: 3,374,928 km (0.114 R)
• M10: 5,093,060 km (0.113 R)
• M11: 6,009,047 km (0.11 R)
• M12: 6,379,601 km (0.1 R)
• M13: 6,808,947 km (0.09 R)
• M14: 7,143,598 km (0.106 R)
• M15: 7,749,618 km (0.108 R)
• M16: 8,389,449 km (0.048 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 672.6

Radius: 13.2

Gravity: 3.86 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 1.88 AU - 2.16 AU

Year: 1982 Days

Day: 11.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 10,212,555 km

• M1: 164,408 km (0.048 R)
• M2: 714,479 km (0.084 R)
• M3: 1,159,533 km (0.102 R)
• M4: 1,970,354 km (0.072 R)
• M5: 2,831,140 km (0.083 R)
• M6: 3,713,767 km (0.085 R)
• M7: 4,268,476 km (0.048 R)
• M8: 4,878,087 km (0.091 R)
• M9: 5,591,968 km (0.054 R)
• M10: 6,348,784 km (0.099 R)
• M11: 8,127,503 km (0.107 R)
• M12: 8,682,960 km (0.118 R)
• M13: 9,429,453 km (0.094 R)
• M14: 10,218,283 km (0.099 R)
• M15: 10,865,892 km (0.086 R)
• M16: 11,579,174 km (0.103 R)
• M17: 13,351,012 km (0.064 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 225.9

Radius: 9.1

Gravity: 2.73 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 2.36 AU - 2.4 AU

Year: 2534 Days

Day: 13.5 Hours

Environment

Temp: -197 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 10,212,555 km

• M1: 118,332 km (0.116 R)
• M2: 471,832 km (0.067 R)
• M3: 899,233 km (0.089 R)
• M4: 1,418,337 km (0.079 R)
• M5: 1,930,261 km (0.037 R)
• M6: 2,241,724 km (0.119 R)
• M7: 2,705,328 km (0.07 R)
• M8: 3,142,004 km (0.058 R)
• M9: 4,470,583 km (0.095 R)
• M10: 5,270,632 km (0.119 R)
• M11: 6,257,679 km (0.089 R)
• M12: 8,801,890 km (0.089 R)
• M13: 10,792,589 km (0.091 R)
• M14: 11,710,521 km (0.102 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 51.5

Radius: 11.9

Gravity: 0.36 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 2.94 AU - 3.06 AU

Year: 3587 Days

Day: 10.4 Hours

Environment

Temp: -208 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 10,212,555 km

• M1: 159,322 km (0.089 R)
• M2: 564,882 km (0.105 R)
• M3: 965,056 km (0.099 R)
• M4: 1,538,764 km (0.069 R)
• M5: 2,132,069 km (0.086 R)
• M6: 3,951,777 km (0.026 R)
• M7: 4,531,320 km (0.106 R)
• M8: 6,729,959 km (0.088 R)
• M9: 7,100,663 km (0.118 R)
• M10: 7,985,086 km (0.098 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 522 - 16,519 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit