🌌 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: 308.3

Radius: 12

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 0.55 AU - 0.65 AU

Year: 321 Days

Day: 11.7 Hours

Environment

Temp: -154 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 42,512,009 km

• M1: 149,299 km (0.115 R)
• M2: 573,109 km (0.087 R)
• M3: 1,186,610 km (0.092 R)
• M4: 1,603,390 km (0.031 R)
• M5: 2,033,933 km (0.07 R)
• M6: 2,658,504 km (0.033 R)
• M7: 3,105,652 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 517.2

Radius: 8.4

Gravity: 7.33 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.35 AU - 1.47 AU

Year: 1156 Days

Day: 13.9 Hours

Environment

Temp: -182 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 42,512,009 km

• M1: 107,710 km (0.114 R)
• M2: 476,170 km (0.096 R)
• M3: 821,442 km (0.108 R)
• M4: 1,325,288 km (0.119 R)
• M5: 1,656,647 km (0.073 R)
• M6: 2,177,846 km (0.098 R)
• M7: 2,932,717 km (0.102 R)
• M8: 3,773,457 km (0.077 R)
• M9: 4,141,767 km (0.083 R)
• M10: 4,411,940 km (0.078 R)
• M11: 4,784,589 km (0.105 R)
• M12: 5,197,180 km (0.046 R)
• M13: 5,653,902 km (0.084 R)
• M14: 6,579,464 km (0.12 R)
• M15: 6,855,023 km (0.067 R)
• M16: 7,306,958 km (0.093 R)
• M17: 8,403,511 km (0.051 R)
• M18: 9,402,825 km (0.056 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 396.1

Radius: 10.9

Gravity: 3.33 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 1.25 AU - 1.69 AU

Year: 1230 Days

Day: 7.6 Hours

Environment

Temp: -199 °C

Axial Tilt: 46.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 42,512,009 km

• M1: 135,984 km (0.112 R)
• M2: 678,576 km (0.085 R)
• M3: 1,089,970 km (0.059 R)
• M4: 1,489,696 km (0.1 R)
• M5: 1,864,887 km (0.103 R)
• M6: 2,368,733 km (0.083 R)
• M7: 2,725,524 km (0.068 R)
• M8: 3,131,831 km (0.033 R)
• M9: 3,832,847 km (0.109 R)
• M10: 4,794,462 km (0.062 R)
• M11: 5,293,820 km (0.082 R)
• M12: 6,662,192 km (0.1 R)
• M13: 8,279,195 km (0.068 R)
• M14: 8,620,876 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 25.8

Radius: 13.3

Gravity: 0.15 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 3.2 AU - 5.2 AU

Year: 5941 Days

Day: 12.2 Hours

Environment

Temp: -213 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 42,512,009 km

• M1: 165,605 km (0.097 R)
• M2: 687,552 km (0.079 R)
• M3: 1,498,073 km (0.032 R)
• M4: 2,871,232 km (0.052 R)
• M5: 3,309,853 km (0.046 R)
• M6: 5,135,844 km (0.1 R)
• M7: 5,981,072 km (0.047 R)
• M8: 8,432,084 km (0.069 R)
• M9: 9,972,942 km (0.073 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 76.6

Radius: 14.9

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 4.59 AU - 4.65 AU

Year: 6854 Days

Day: 13.4 Hours

Environment

Temp: -212 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 42,512,009 km

• M1: 185,352 km (0.076 R)
• M2: 940,522 km (0.097 R)
• M3: 1,473,689 km (0.103 R)
• M4: 2,150,170 km (0.058 R)
• M5: 2,998,540 km (0.089 R)
• M6: 4,358,534 km (0.077 R)
• M7: 5,410,357 km (0.072 R)
• M8: 7,621,114 km (0.092 R)
• M9: 11,605,055 km (0.099 R)
• M10: 12,210,926 km (0.096 R)
• M11: 16,805,675 km (0.103 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 23.6

Radius: 10.5

Gravity: 0.21 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 4.76 AU - 5 AU

Year: 7441 Days

Day: 7.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 42,512,009 km

• M1: 131,197 km (0.087 R)
• M2: 941,868 km (0.112 R)
• M3: 1,649,616 km (0.072 R)
• M4: 3,300,428 km (0.042 R)
• M5: 4,012,065 km (0.043 R)
• M6: 12,356,635 km (0.087 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 655

Radius: 8.1

Gravity: 9.98 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 4.88 AU - 5.82 AU

Year: 8542 Days

Day: 6.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 42,512,009 km

• M1: 100,979 km (0.057 R)
• M2: 590,313 km (0.067 R)
• M3: 872,305 km (0.11 R)
• M4: 1,364,183 km (0.059 R)
• M5: 1,966,314 km (0.107 R)
• M6: 2,231,551 km (0.05 R)
• M7: 3,131,981 km (0.114 R)
• M8: 3,402,604 km (0.093 R)
• M9: 3,738,152 km (0.1 R)
• M10: 4,017,152 km (0.097 R)
• M11: 4,420,168 km (0.063 R)
• M12: 5,927,516 km (0.1 R)
• M13: 6,779,028 km (0.06 R)
• M14: 8,722,902 km (0.11 R)
• M15: 9,215,827 km (0.108 R)
• M16: 13,852,314 km (0.089 R)
• M17: 16,329,655 km (0.108 R)
• M18: 17,637,589 km (0.089 R)
• M19: 20,149,786 km (0.037 R)
• M20: 20,695,070 km (0.047 R)
• M21: 21,896,790 km (0.114 R)
• M22: 22,390,313 km (0.112 R)
• M23: 23,059,764 km (0.118 R)
• M24: 27,170,863 km (0.08 R)
• M25: 28,028,657 km (0.071 R)
• M26: 28,610,443 km (0.053 R)
• M27: 29,101,423 km (0.078 R)
• M28: 32,803,821 km (0.083 R)
• M29: 33,233,765 km (0.093 R)
• M30: 34,767,742 km (0.086 R)
• M31: 35,665,180 km (0.095 R)
• M32: 38,094,499 km (0.097 R)
• M33: 39,289,188 km (0.068 R)
• M34: 40,385,591 km (0.032 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: 314 - 13,065 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit