🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.55 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 133.7

Radius: 13.3

Gravity: 0.76 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.97 AU - 1.21 AU

Year: 800 Days

Day: 9.8 Hours

Environment

Temp: -180 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 37,207,450 km

• M1: 165,455 km (0.113 R)
• M2: 611,706 km (0.092 R)
• M3: 1,130,212 km (0.091 R)
• M4: 1,588,879 km (0.078 R)
• M5: 4,627,661 km (0.092 R)
• M6: 5,146,915 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 437.4

Radius: 8

Gravity: 6.83 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.02 AU - 1.38 AU

Year: 924 Days

Day: 10.9 Hours

Environment

Temp: -177 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 37,207,450 km

• M1: 99,483 km (0.109 R)
• M2: 410,048 km (0.077 R)
• M3: 795,262 km (0.091 R)
• M4: 1,074,262 km (0.043 R)
• M5: 1,333,665 km (0.032 R)
• M6: 1,891,216 km (0.113 R)
• M7: 2,274,636 km (0.112 R)
• M8: 2,584,453 km (0.086 R)
• M9: 3,224,133 km (0.05 R)
• M10: 3,560,579 km (0.072 R)
• M11: 3,905,552 km (0.09 R)
• M12: 4,225,541 km (0.12 R)
• M13: 4,814,807 km (0.106 R)
• M14: 5,365,178 km (0.107 R)
• M15: 7,179,651 km (0.114 R)
• M16: 7,567,857 km (0.11 R)
• M17: 8,066,766 km (0.095 R)
• M18: 8,411,290 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 860.1

Radius: 11.2

Gravity: 6.86 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 1.88 AU - 2.62 AU

Year: 2372 Days

Day: 6.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 160.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 37,207,450 km

• M1: 140,173 km (0.081 R)
• M2: 509,680 km (0.093 R)
• M3: 879,037 km (0.109 R)
• M4: 1,270,984 km (0.078 R)
• M5: 1,850,077 km (0.083 R)
• M6: 2,569,643 km (0.083 R)
• M7: 3,448,979 km (0.114 R)
• M8: 4,368,557 km (0.119 R)
• M9: 6,218,035 km (0.03 R)
• M10: 6,802,365 km (0.094 R)
• M11: 7,362,310 km (0.071 R)
• M12: 8,914,537 km (0.102 R)
• M13: 9,915,048 km (0.057 R)
• M14: 10,481,126 km (0.098 R)
• M15: 11,309,749 km (0.052 R)
• M16: 11,677,909 km (0.073 R)
• M17: 14,773,239 km (0.098 R)
• M18: 16,224,039 km (0.117 R)
• M19: 16,798,345 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 361.3

Radius: 9

Gravity: 4.46 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 2.68 AU - 2.9 AU

Year: 3276 Days

Day: 11.1 Hours

Environment

Temp: -213 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 37,207,450 km

• M1: 111,899 km (0.116 R)
• M2: 471,981 km (0.099 R)
• M3: 902,973 km (0.026 R)
• M4: 1,409,810 km (0.091 R)
• M5: 2,371,126 km (0.102 R)
• M6: 2,897,262 km (0.085 R)
• M7: 3,644,055 km (0.101 R)
• M8: 3,984,390 km (0.094 R)
• M9: 4,707,546 km (0.071 R)
• M10: 6,120,946 km (0.08 R)
• M11: 6,548,647 km (0.118 R)
• M12: 7,404,646 km (0.078 R)
• M13: 9,372,307 km (0.09 R)
• M14: 9,689,604 km (0.06 R)
• M15: 9,977,580 km (0.086 R)
• M16: 10,345,740 km (0.106 R)
• M17: 10,646,581 km (0.108 R)
• M18: 10,953,406 km (0.06 R)
• M19: 11,544,767 km (0.057 R)
• M20: 12,323,873 km (0.08 R)
• M21: 13,313,612 km (0.098 R)
• M22: 15,111,629 km (0.118 R)
• M23: 15,450,618 km (0.084 R)
• M24: 17,592,710 km (0.037 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 115.9

Radius: 13.7

Gravity: 0.62 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 2.49 AU - 3.45 AU

Year: 3598 Days

Day: 12.2 Hours

Environment

Temp: -214 °C

Axial Tilt: 152.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 37,207,450 km

• M1: 170,392 km (0.057 R)
• M2: 633,397 km (0.07 R)
• M3: 2,163,933 km (0.114 R)
• M4: 2,700,690 km (0.093 R)
• M5: 3,131,682 km (0.119 R)
• M6: 4,352,101 km (0.03 R)
• M7: 5,363,682 km (0.105 R)
• M8: 6,575,275 km (0.089 R)
• M9: 7,364,554 km (0.028 R)
• M10: 8,739,807 km (0.051 R)
• M11: 9,536,116 km (0.078 R)
• M12: 11,702,742 km (0.097 R)
• M13: 12,217,359 km (0.054 R)
• M14: 12,862,575 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 835.1

Radius: 10.2

Gravity: 8.03 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 2.96 AU - 3.88 AU

Year: 4446 Days

Day: 14.8 Hours

Environment

Temp: -208 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 37,207,450 km

• M1: 127,158 km (0.077 R)
• M2: 596,447 km (0.115 R)
• M3: 944,860 km (0.109 R)
• M4: 1,367,773 km (0.12 R)
• M5: 1,808,638 km (0.046 R)
• M6: 3,411,430 km (0.07 R)
• M7: 3,929,188 km (0.078 R)
• M8: 5,231,737 km (0.088 R)
• M9: 5,832,372 km (0.052 R)
• M10: 6,638,854 km (0.066 R)
• M11: 8,059,585 km (0.093 R)
• M12: 10,401,690 km (0.111 R)
• M13: 11,258,736 km (0.092 R)
• M14: 12,556,796 km (0.102 R)
• M15: 13,898,540 km (0.031 R)
• M16: 14,993,895 km (0.051 R)
• M17: 17,793,320 km (0.118 R)
• M18: 18,886,582 km (0.107 R)
• M19: 21,850,714 km (0.092 R)
• M20: 24,171,126 km (0.093 R)
• M21: 29,472,426 km (0.08 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 809.9

Radius: 10.5

Gravity: 7.35 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 4.18 AU - 4.44 AU

Year: 6290 Days

Day: 13.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 37,207,450 km

• M1: 131,048 km (0.12 R)
• M2: 464,202 km (0.104 R)
• M3: 1,172,249 km (0.089 R)
• M4: 1,613,712 km (0.088 R)
• M5: 1,978,282 km (0.046 R)
• M6: 3,600,073 km (0.081 R)
• M7: 4,492,574 km (0.069 R)
• M8: 5,619,345 km (0.082 R)
• M9: 9,804,644 km (0.065 R)
• M10: 11,432,419 km (0.078 R)
• M11: 13,626,421 km (0.12 R)
• M12: 15,960,896 km (0.081 R)
• M13: 16,470,726 km (0.095 R)
• M14: 19,472,108 km (0.116 R)
• M15: 26,005,196 km (0.118 R)
• M16: 26,890,217 km (0.106 R)
• M17: 32,322,565 km (0.073 R)
• M18: 33,552,708 km (0.061 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: 408 - 14,415 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit