🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 571.6

Radius: 13.3

Gravity: 3.23 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.54 AU - 0.74 AU

Year: 341 Days

Day: 6 Hours

Environment

Temp: -143 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 58,405,695 km

• M1: 165,455 km (0.093 R)
• M2: 583,132 km (0.12 R)
• M3: 1,064,389 km (0.102 R)
• M4: 1,483,263 km (0.066 R)
• M5: 1,912,310 km (0.039 R)
• M6: 2,391,322 km (0.119 R)
• M7: 2,853,280 km (0.108 R)
• M8: 3,396,919 km (0.112 R)
• M9: 3,864,412 km (0.076 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 29.8

Radius: 10.1

Gravity: 0.29 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 0.48 AU - 0.8 AU

Year: 341 Days

Day: 13.6 Hours

Environment

Temp: -149 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 58,405,695 km

• M1: 125,662 km (0.101 R)
• M2: 498,011 km (0.108 R)
• M3: 1,127,370 km (0.102 R)
• M4: 1,611,767 km (0.061 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 909.8

Radius: 13.2

Gravity: 5.22 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 0.69 AU - 0.71 AU

Year: 391 Days

Day: 13.2 Hours

Environment

Temp: -157 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 58,405,695 km

• M1: 164,109 km (0.055 R)
• M2: 769,083 km (0.109 R)
• M3: 1,388,418 km (0.11 R)
• M4: 2,205,521 km (0.063 R)
• M5: 2,775,041 km (0.078 R)
• M6: 4,009,821 km (0.074 R)
• M7: 4,494,668 km (0.061 R)
• M8: 5,191,645 km (0.106 R)
• M9: 6,047,344 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 803.9

Radius: 8.9

Gravity: 10.15 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.68 AU - 1.04 AU

Year: 532 Days

Day: 5.3 Hours

Environment

Temp: -171 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 58,405,695 km

• M1: 110,702 km (0.082 R)
• M2: 439,070 km (0.104 R)
• M3: 787,034 km (0.111 R)
• M4: 1,387,071 km (0.115 R)
• M5: 1,716,336 km (0.091 R)
• M6: 2,190,262 km (0.109 R)
• M7: 2,504,568 km (0.095 R)
• M8: 2,849,241 km (0.09 R)
• M9: 4,077,888 km (0.102 R)
• M10: 4,859,088 km (0.096 R)
• M11: 5,363,233 km (0.101 R)
• M12: 5,939,035 km (0.094 R)
• M13: 6,222,823 km (0.111 R)
• M14: 6,961,836 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 704.9

Radius: 9.2

Gravity: 8.33 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 1.77 AU - 2.59 AU

Year: 2146 Days

Day: 5.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 58,405,695 km

• M1: 147,204 km (0.063 R)
• M2: 435,180 km (0.067 R)
• M3: 739,462 km (0.098 R)
• M4: 1,209,200 km (0.111 R)
• M5: 1,602,642 km (0.101 R)
• M6: 1,949,709 km (0.084 R)
• M7: 2,934,961 km (0.107 R)
• M8: 3,511,810 km (0.088 R)
• M9: 3,968,682 km (0.04 R)
• M10: 4,891,102 km (0.091 R)
• M11: 5,461,818 km (0.117 R)
• M12: 7,560,826 km (0.106 R)
• M13: 8,546,975 km (0.078 R)
• M14: 9,651,456 km (0.038 R)
• M15: 10,810,541 km (0.088 R)
• M16: 12,888,455 km (0.078 R)
• M17: 13,403,371 km (0.028 R)
• M18: 16,384,408 km (0.074 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 777.3

Radius: 12.1

Gravity: 5.31 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 2.6 AU - 3.72 AU

Year: 3746 Days

Day: 7.8 Hours

Environment

Temp: -212 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 58,405,695 km

• M1: 151,842 km (0.106 R)
• M2: 735,872 km (0.105 R)
• M3: 1,248,394 km (0.077 R)
• M4: 2,815,133 km (0.12 R)
• M5: 3,496,850 km (0.067 R)
• M6: 4,017,750 km (0.04 R)
• M7: 4,686,602 km (0.08 R)
• M8: 5,841,946 km (0.034 R)
• M9: 7,746,477 km (0.088 R)
• M10: 8,784,088 km (0.083 R)
• M11: 11,850,844 km (0.086 R)
• M12: 14,236,332 km (0.096 R)
• M13: 15,080,213 km (0.104 R)
• M14: 20,593,344 km (0.118 R)
• M15: 21,467,444 km (0.069 R)
• M16: 24,759,944 km (0.102 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 141.7

Radius: 11.3

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 3.21 AU - 4.31 AU

Year: 4862 Days

Day: 13 Hours

Environment

Temp: -218 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 58,405,695 km

• M1: 140,472 km (0.041 R)
• M2: 658,530 km (0.109 R)
• M3: 1,410,409 km (0.103 R)
• M4: 2,027,650 km (0.098 R)
• M5: 2,699,942 km (0.107 R)
• M6: 3,360,567 km (0.073 R)
• M7: 3,821,627 km (0.061 R)
• M8: 4,827,972 km (0.084 R)
• M9: 5,370,115 km (0.105 R)
• M10: 7,157,809 km (0.064 R)
• M11: 7,713,117 km (0.119 R)
• M12: 8,234,166 km (0.082 R)
• M13: 8,680,716 km (0.05 R)
• M14: 9,210,890 km (0.093 R)
• M15: 9,587,877 km (0.108 R)
• M16: 11,511,556 km (0.065 R)
• M17: 12,689,789 km (0.092 R)
• M18: 14,721,029 km (0.089 R)
• M19: 16,405,501 km (0.096 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 765.6

Radius: 7.7

Gravity: 12.91 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 5.9 AU - 8.38 AU

Year: 12723 Days

Day: 23.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 58,405,695 km

• M1: 95,743 km (0.119 R)
• M2: 413,638 km (0.092 R)
• M3: 1,006,794 km (0.084 R)
• M4: 1,308,383 km (0.109 R)
• M5: 1,670,111 km (0.081 R)
• M6: 2,638,906 km (0.113 R)
• M7: 3,346,056 km (0.102 R)
• M8: 3,883,860 km (0.088 R)
• M9: 4,731,781 km (0.058 R)
• M10: 7,167,982 km (0.029 R)
• M11: 9,483,009 km (0.117 R)
• M12: 9,744,207 km (0.039 R)
• M13: 11,950,028 km (0.114 R)
• M14: 15,525,117 km (0.055 R)
• M15: 18,108,673 km (0.108 R)
• M16: 20,267,968 km (0.118 R)
• M17: 22,872,617 km (0.111 R)
• M18: 26,509,341 km (0.087 R)
• M19: 27,554,581 km (0.105 R)
• M20: 31,894,416 km (0.045 R)
• M21: 32,718,849 km (0.109 R)
• M22: 37,834,797 km (0.093 R)
• M23: 38,360,784 km (0.092 R)
• M24: 39,427,267 km (0.098 R)
• M25: 46,846,573 km (0.07 R)
• M26: 49,147,987 km (0.11 R)
• M27: 50,405,656 km (0.089 R)
• M28: 51,202,564 km (0.101 R)
• M29: 52,658,002 km (0.075 R)
• M30: 53,149,281 km (0.106 R)
• M31: 54,976,619 km (0.092 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 478 - 12,229 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit