🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 55.6

Radius: 9.1

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 0.72 AU - 0.8 AU

Year: 442 Days

Day: 6.5 Hours

Environment

Temp: -166 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 85,412,618 km

• M1: 114,143 km (0.079 R)
• M2: 442,211 km (0.042 R)
• M3: 859,290 km (0.096 R)
• M4: 1,572,872 km (0.114 R)
• M5: 2,490,954 km (0.064 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 608.8

Radius: 9

Gravity: 7.52 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.73 AU - 0.99 AU

Year: 532 Days

Day: 5.5 Hours

Environment

Temp: -172 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 85,412,618 km

• M1: 112,049 km (0.111 R)
• M2: 593,305 km (0.087 R)
• M3: 888,911 km (0.094 R)
• M4: 1,206,956 km (0.088 R)
• M5: 1,638,545 km (0.11 R)
• M6: 1,945,072 km (0.107 R)
• M7: 2,718,193 km (0.11 R)
• M8: 3,198,702 km (0.095 R)
• M9: 4,388,454 km (0.114 R)
• M10: 5,002,852 km (0.062 R)
• M11: 5,415,293 km (0.104 R)
• M12: 6,030,739 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 231.2

Radius: 12.2

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 1.22 AU - 1.88 AU

Year: 1287 Days

Day: 10.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 85,412,618 km

• M1: 151,842 km (0.111 R)
• M2: 1,165,068 km (0.114 R)
• M3: 2,029,445 km (0.067 R)
• M4: 3,079,323 km (0.066 R)
• M5: 3,509,865 km (0.028 R)
• M6: 3,921,559 km (0.085 R)
• M7: 4,808,973 km (0.109 R)
• M8: 5,447,307 km (0.053 R)
• M9: 6,385,585 km (0.073 R)
• M10: 7,157,660 km (0.053 R)
• M11: 8,481,451 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 112.9

Radius: 12.7

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 1.74 AU - 1.92 AU

Year: 1651 Days

Day: 9.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 85,412,618 km

• M1: 158,574 km (0.084 R)
• M2: 586,573 km (0.073 R)
• M3: 1,228,947 km (0.097 R)
• M4: 1,798,914 km (0.115 R)
• M5: 2,478,687 km (0.062 R)
• M6: 3,388,691 km (0.029 R)
• M7: 3,793,802 km (0.086 R)
• M8: 4,400,272 km (0.112 R)
• M9: 5,139,584 km (0.091 R)
• M10: 6,698,843 km (0.082 R)
• M11: 7,188,178 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 218.4

Radius: 13.2

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 1.94 AU - 2.8 AU

Year: 2433 Days

Day: 14.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 168.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 85,412,618 km

• M1: 164,857 km (0.103 R)
• M2: 576,999 km (0.025 R)
• M3: 1,026,092 km (0.095 R)
• M4: 1,646,325 km (0.114 R)
• M5: 2,885,294 km (0.108 R)
• M6: 3,835,689 km (0.061 R)
• M7: 5,289,930 km (0.111 R)
• M8: 5,760,116 km (0.1 R)
• M9: 7,135,669 km (0.101 R)
• M10: 7,630,987 km (0.102 R)
• M11: 8,431,336 km (0.119 R)
• M12: 8,985,596 km (0.107 R)
• M13: 9,409,407 km (0.111 R)
• M14: 11,240,485 km (0.114 R)
• M15: 11,876,575 km (0.057 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 186

Radius: 13

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 4.22 AU - 4.4 AU

Year: 5967 Days

Day: 10 Hours

Environment

Temp: -220 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 85,412,618 km

• M1: 161,715 km (0.091 R)
• M2: 683,363 km (0.094 R)
• M3: 1,477,129 km (0.04 R)
• M4: 1,946,867 km (0.075 R)
• M5: 2,699,494 km (0.059 R)
• M6: 3,935,322 km (0.093 R)
• M7: 4,669,398 km (0.106 R)
• M8: 5,416,640 km (0.113 R)
• M9: 7,273,299 km (0.112 R)
• M10: 8,110,299 km (0.082 R)
• M11: 12,026,771 km (0.058 R)
• M12: 13,619,989 km (0.116 R)
• M13: 14,492,144 km (0.12 R)
• M14: 17,670,201 km (0.094 R)
• M15: 18,241,665 km (0.064 R)
• M16: 19,301,416 km (0.118 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 725.6

Radius: 5.7

Gravity: 22.33 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 10.16 AU - 11.1 AU

Year: 23112 Days

Day: 22 Hours

Environment

Temp: -229 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 85,412,618 km

• M1: 89,310 km (0.111 R)
• M2: 267,182 km (0.102 R)
• M3: 628,909 km (0.079 R)
• M4: 907,311 km (0.089 R)
• M5: 1,388,418 km (0.109 R)
• M6: 1,904,381 km (0.119 R)
• M7: 2,152,265 km (0.115 R)
• M8: 2,398,203 km (0.063 R)
• M9: 2,662,842 km (0.069 R)
• M10: 3,165,790 km (0.11 R)
• M11: 5,370,564 km (0.075 R)
• M12: 7,951,875 km (0.119 R)
• M13: 10,421,736 km (0.119 R)
• M14: 13,809,978 km (0.107 R)
• M15: 15,381,653 km (0.083 R)
• M16: 16,808,368 km (0.109 R)
• M17: 17,687,555 km (0.051 R)
• M18: 21,819,448 km (0.056 R)
• M19: 25,055,100 km (0.096 R)
• M20: 30,358,195 km (0.06 R)
• M21: 30,615,653 km (0.045 R)
• M22: 35,787,102 km (0.092 R)
• M23: 37,830,459 km (0.098 R)
• M24: 55,113,950 km (0.115 R)
• M25: 57,833,190 km (0.074 R)
• M26: 58,626,358 km (0.067 R)
• M27: 63,958,774 km (0.078 R)
• M28: 75,812,012 km (0.036 R)
• M29: 76,048,676 km (0.049 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 256 - 16,675 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit