🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 222.5

Radius: 9.4

Gravity: 2.52 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.59 AU - 0.81 AU

Year: 391 Days

Day: 14.3 Hours

Environment

Temp: -156 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 30,081,427 km

• M1: 116,986 km (0.097 R)
• M2: 463,155 km (0.08 R)
• M3: 860,337 km (0.106 R)
• M4: 1,277,865 km (0.097 R)
• M5: 1,963,921 km (0.031 R)
• M6: 2,264,613 km (0.088 R)
• M7: 2,682,140 km (0.105 R)
• M8: 2,998,091 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 311.7

Radius: 14.8

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 1.01 AU - 1.25 AU

Year: 801 Days

Day: 12.4 Hours

Environment

Temp: -189 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 30,081,427 km

• M1: 184,155 km (0.102 R)
• M2: 664,065 km (0.032 R)
• M3: 1,311,525 km (0.068 R)
• M4: 1,882,988 km (0.076 R)
• M5: 2,461,035 km (0.092 R)
• M6: 2,996,595 km (0.111 R)
• M7: 4,321,882 km (0.099 R)
• M8: 4,931,643 km (0.094 R)
• M9: 5,863,937 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 511.6

Radius: 10.9

Gravity: 4.31 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 1.24 AU - 1.42 AU

Year: 1023 Days

Day: 13.2 Hours

Environment

Temp: -194 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 30,081,427 km

• M1: 135,536 km (0.085 R)
• M2: 717,771 km (0.113 R)
• M3: 1,066,184 km (0.096 R)
• M4: 1,469,201 km (0.095 R)
• M5: 2,041,712 km (0.07 R)
• M6: 2,524,913 km (0.071 R)
• M7: 3,215,606 km (0.057 R)
• M8: 3,888,946 km (0.099 R)
• M9: 4,251,422 km (0.052 R)
• M10: 4,619,283 km (0.116 R)
• M11: 5,457,929 km (0.102 R)
• M12: 6,078,461 km (0.116 R)
• M13: 6,568,693 km (0.065 R)
• M14: 8,148,895 km (0.08 R)
• M15: 8,825,826 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 442.6

Radius: 9.4

Gravity: 5.01 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 1.11 AU - 1.85 AU

Year: 1201 Days

Day: 14.9 Hours

Environment

Temp: -186 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 30,081,427 km

• M1: 116,986 km (0.104 R)
• M2: 759,658 km (0.056 R)
• M3: 2,061,907 km (0.12 R)
• M4: 2,995,847 km (0.091 R)
• M5: 3,463,340 km (0.093 R)
• M6: 4,685,555 km (0.115 R)
• M7: 5,633,257 km (0.068 R)
• M8: 6,004,111 km (0.063 R)
• M9: 6,325,596 km (0.061 R)
• M10: 8,449,437 km (0.098 R)
• M11: 9,271,178 km (0.033 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 333.1

Radius: 14.2

Gravity: 1.65 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 1.69 AU - 1.71 AU

Year: 1478 Days

Day: 5.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 30,081,427 km

• M1: 176,525 km (0.096 R)
• M2: 655,987 km (0.106 R)
• M3: 1,114,504 km (0.08 R)
• M4: 1,986,361 km (0.081 R)
• M5: 2,730,460 km (0.11 R)
• M6: 3,932,030 km (0.114 R)
• M7: 4,635,589 km (0.117 R)
• M8: 5,169,354 km (0.051 R)
• M9: 6,516,932 km (0.058 R)
• M10: 7,932,726 km (0.087 R)
• M11: 9,429,303 km (0.103 R)
• M12: 10,229,652 km (0.089 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 584.5

Radius: 14.2

Gravity: 2.9 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 2.52 AU - 2.78 AU

Year: 2877 Days

Day: 13 Hours

Environment

Temp: -210 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 30,081,427 km

• M1: 177,124 km (0.104 R)
• M2: 706,700 km (0.09 R)
• M3: 1,323,492 km (0.055 R)
• M4: 1,860,698 km (0.093 R)
• M5: 2,389,078 km (0.088 R)
• M6: 3,099,817 km (0.081 R)
• M7: 4,047,520 km (0.094 R)
• M8: 5,323,889 km (0.099 R)
• M9: 6,323,352 km (0.043 R)
• M10: 6,796,830 km (0.05 R)
• M11: 7,474,957 km (0.075 R)
• M12: 9,036,459 km (0.102 R)
• M13: 9,711,295 km (0.084 R)
• M14: 11,363,454 km (0.077 R)
• M15: 12,885,014 km (0.033 R)
• M16: 13,972,441 km (0.11 R)
• M17: 14,682,582 km (0.029 R)
• M18: 15,767,616 km (0.092 R)
• M19: 16,852,649 km (0.06 R)
• M20: 17,332,559 km (0.075 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 935.3

Radius: 9.8

Gravity: 9.74 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 3.38 AU - 3.5 AU

Year: 4255 Days

Day: 13 Hours

Environment

Temp: -207 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 30,081,427 km

• M1: 121,922 km (0.104 R)
• M2: 630,405 km (0.1 R)
• M3: 1,844,991 km (0.094 R)
• M4: 2,537,329 km (0.102 R)
• M5: 3,353,087 km (0.05 R)
• M6: 4,310,214 km (0.112 R)
• M7: 4,709,640 km (0.113 R)
• M8: 6,822,261 km (0.1 R)
• M9: 7,720,746 km (0.086 R)
• M10: 8,425,651 km (0.036 R)
• M11: 10,092,770 km (0.082 R)
• M12: 10,486,362 km (0.053 R)
• M13: 11,776,644 km (0.064 R)
• M14: 13,640,184 km (0.102 R)
• M15: 14,339,255 km (0.12 R)
• M16: 15,346,348 km (0.075 R)
• M17: 15,808,905 km (0.091 R)
• M18: 16,883,466 km (0.11 R)
• M19: 18,262,310 km (0.073 R)
• M20: 20,123,756 km (0.076 R)
• M21: 23,987,570 km (0.114 R)
• M22: 25,085,319 km (0.111 R)
• M23: 25,971,088 km (0.055 R)
• M24: 26,877,501 km (0.063 R)
• M25: 28,579,327 km (0.076 R)
• M26: 29,545,430 km (0.051 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: 300 - 18,111 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit