🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.6 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 399.4

Radius: 14.4

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 1.12 AU - 1.26 AU

Year: 880 Days

Day: 14.5 Hours

Environment

Temp: -184 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 74,608,022 km

• M1: 179,069 km (0.117 R)
• M2: 652,845 km (0.07 R)
• M3: 1,101,639 km (0.113 R)
• M4: 2,153,162 km (0.083 R)
• M5: 3,155,468 km (0.031 R)
• M6: 3,619,969 km (0.105 R)
• M7: 5,003,750 km (0.115 R)
• M8: 6,551,489 km (0.089 R)
• M9: 7,604,509 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 877

Radius: 12.7

Gravity: 5.44 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 1.01 AU - 1.49 AU

Year: 948 Days

Day: 8.4 Hours

Environment

Temp: -192 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 74,608,022 km

• M1: 157,975 km (0.071 R)
• M2: 702,362 km (0.092 R)
• M3: 1,097,450 km (0.082 R)
• M4: 1,589,029 km (0.108 R)
• M5: 2,040,515 km (0.09 R)
• M6: 2,711,461 km (0.051 R)
• M7: 3,293,547 km (0.11 R)
• M8: 3,691,178 km (0.048 R)
• M9: 4,154,333 km (0.072 R)
• M10: 5,178,929 km (0.08 R)
• M11: 5,782,556 km (0.119 R)
• M12: 6,659,798 km (0.077 R)
• M13: 7,130,882 km (0.109 R)
• M14: 7,827,709 km (0.092 R)
• M15: 8,245,835 km (0.061 R)
• M16: 8,873,398 km (0.09 R)
• M17: 9,299,602 km (0.102 R)
• M18: 10,724,671 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 257.6

Radius: 14.8

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 2.55 AU - 2.59 AU

Year: 2794 Days

Day: 9 Hours

Environment

Temp: -204 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 74,608,022 km

• M1: 184,155 km (0.093 R)
• M2: 737,966 km (0.091 R)
• M3: 1,488,349 km (0.067 R)
• M4: 2,370,528 km (0.079 R)
• M5: 3,450,176 km (0.076 R)
• M6: 5,589,724 km (0.06 R)
• M7: 10,724,372 km (0.116 R)
• M8: 11,262,027 km (0.11 R)
• M9: 13,761,658 km (0.071 R)
• M10: 14,613,618 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 137.3

Radius: 14.2

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 2.35 AU - 3.73 AU

Year: 3595 Days

Day: 8.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 74,608,022 km

• M1: 176,825 km (0.074 R)
• M2: 661,821 km (0.069 R)
• M3: 1,290,132 km (0.086 R)
• M4: 1,754,783 km (0.101 R)
• M5: 2,249,952 km (0.12 R)
• M6: 3,482,489 km (0.049 R)
• M7: 4,040,788 km (0.064 R)
• M8: 6,496,437 km (0.072 R)
• M9: 7,082,113 km (0.047 R)
• M10: 9,241,558 km (0.086 R)
• M11: 13,118,387 km (0.086 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 173.6

Radius: 7.9

Gravity: 2.78 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 4.35 AU - 7.09 AU

Year: 9279 Days

Day: 19.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 46.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 74,608,022 km

• M1: 98,286 km (0.044 R)
• M2: 360,830 km (0.062 R)
• M3: 621,430 km (0.03 R)
• M4: 914,193 km (0.094 R)
• M5: 1,310,178 km (0.073 R)
• M6: 2,022,862 km (0.039 R)
• M7: 2,825,006 km (0.119 R)
• M8: 4,626,613 km (0.063 R)
• M9: 5,230,241 km (0.098 R)
• M10: 5,651,508 km (0.068 R)
• M11: 6,186,620 km (0.097 R)
• M12: 6,755,092 km (0.095 R)
• M13: 7,887,099 km (0.117 R)
• M14: 9,586,680 km (0.106 R)
• M15: 12,973,277 km (0.108 R)
• M16: 15,609,042 km (0.075 R)
• M17: 17,326,575 km (0.067 R)
• M18: 17,821,744 km (0.037 R)
• M19: 18,646,477 km (0.112 R)
• M20: 21,627,065 km (0.088 R)
• M21: 24,832,798 km (0.111 R)
• M22: 26,102,285 km (0.114 R)
• M23: 27,414,558 km (0.092 R)
• M24: 28,512,756 km (0.11 R)

Asteroid Belt

Center: 7.01 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 8.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 985.6

Radius: 5.4

Gravity: 33.8 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 8.11 AU - 8.47 AU

Year: 16189 Days

Day: 19.5 Hours

Environment

Temp: -237 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 74,608,022 km

• M1: 67,169 km (0.119 R)
• M2: 494,720 km (0.104 R)
• M3: 1,010,085 km (0.083 R)
• M4: 1,245,851 km (0.054 R)
• M5: 1,438,683 km (0.116 R)
• M6: 1,617,303 km (0.112 R)
• M7: 2,464,176 km (0.045 R)
• M8: 3,458,703 km (0.115 R)
• M9: 4,222,250 km (0.098 R)
• M10: 4,421,215 km (0.086 R)
• M11: 5,092,611 km (0.094 R)
• M12: 6,373,617 km (0.044 R)
• M13: 7,181,595 km (0.073 R)
• M14: 7,806,166 km (0.089 R)
• M15: 8,414,282 km (0.103 R)
• M16: 8,836,746 km (0.106 R)
• M17: 12,334,045 km (0.075 R)
• M18: 17,153,490 km (0.062 R)
• M19: 17,660,926 km (0.103 R)
• M20: 19,243,522 km (0.097 R)
• M21: 20,727,533 km (0.113 R)
• M22: 23,921,298 km (0.117 R)
• M23: 25,744,447 km (0.094 R)
• M24: 31,892,920 km (0.108 R)
• M25: 32,147,236 km (0.112 R)
• M26: 35,304,798 km (0.081 R)
• M27: 35,713,500 km (0.116 R)
• M28: 36,401,650 km (0.101 R)
• M29: 40,123,047 km (0.049 R)
• M30: 45,844,567 km (0.031 R)
• M31: 52,616,114 km (0.114 R)
• M32: 56,610,228 km (0.098 R)
• M33: 67,052,010 km (0.115 R)
• M34: 67,469,388 km (0.052 R)
• M35: 68,098,596 km (0.114 R)
• M36: 72,613,460 km (0.119 R)
• M37: 74,161,648 km (0.093 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: 145 - 15,783 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit