🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 566.5

Radius: 11

Gravity: 4.68 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 0.61 AU - 0.73 AU

Year: 366 Days

Day: 12.6 Hours

Environment

Temp: -164 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 61,118,293 km

• M1: 136,882 km (0.116 R)
• M2: 483,800 km (0.053 R)
• M3: 969,843 km (0.077 R)
• M4: 1,430,305 km (0.041 R)
• M5: 2,058,616 km (0.048 R)
• M6: 2,549,746 km (0.071 R)
• M7: 3,793,204 km (0.09 R)
• M8: 4,153,286 km (0.036 R)
• M9: 4,645,911 km (0.059 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 726

Radius: 10.1

Gravity: 7.12 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.63 AU - 0.91 AU

Year: 451 Days

Day: 10.4 Hours

Environment

Temp: -161 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 61,118,293 km

• M1: 125,662 km (0.083 R)
• M2: 723,455 km (0.087 R)
• M3: 1,090,868 km (0.077 R)
• M4: 1,598,603 km (0.107 R)
• M5: 1,940,883 km (0.053 R)
• M6: 2,552,588 km (0.102 R)
• M7: 2,925,835 km (0.102 R)
• M8: 3,579,578 km (0.105 R)
• M9: 4,574,703 km (0.106 R)
• M10: 5,372,808 km (0.078 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 504.6

Radius: 14.1

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.03 AU - 1.09 AU

Year: 728 Days

Day: 6 Hours

Environment

Temp: -185 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 61,118,293 km

• M1: 175,628 km (0.036 R)
• M2: 654,191 km (0.111 R)
• M3: 1,223,711 km (0.055 R)
• M4: 1,666,071 km (0.092 R)
• M5: 2,565,155 km (0.098 R)
• M6: 3,162,050 km (0.107 R)
• M7: 3,727,081 km (0.088 R)
• M8: 4,239,304 km (0.085 R)
• M9: 4,717,718 km (0.118 R)
• M10: 5,371,312 km (0.076 R)
• M11: 6,065,745 km (0.094 R)
• M12: 6,840,063 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 115.3

Radius: 13.4

Gravity: 0.64 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.06 AU - 1.56 AU

Year: 1000 Days

Day: 8.5 Hours

Environment

Temp: -195 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 61,118,293 km

• M1: 166,652 km (0.119 R)
• M2: 631,752 km (0.104 R)
• M3: 1,280,408 km (0.069 R)
• M4: 1,700,629 km (0.104 R)
• M5: 2,181,287 km (0.117 R)
• M6: 2,663,889 km (0.12 R)
• M7: 3,400,360 km (0.108 R)
• M8: 4,309,915 km (0.087 R)
• M9: 4,972,035 km (0.056 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 76.1

Radius: 13.8

Gravity: 0.4 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 1.5 AU - 2.48 AU

Year: 1872 Days

Day: 8.7 Hours

Environment

Temp: -201 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 61,118,293 km

• M1: 192,682 km (0.093 R)
• M2: 825,331 km (0.099 R)
• M3: 1,351,467 km (0.077 R)
• M4: 1,869,076 km (0.104 R)
• M5: 3,972,871 km (0.095 R)
• M6: 5,366,524 km (0.068 R)
• M7: 6,650,523 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 80.3

Radius: 14.2

Gravity: 0.4 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 1.98 AU - 2.84 AU

Year: 2495 Days

Day: 5.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 61,118,293 km

• M1: 176,675 km (0.106 R)
• M2: 725,998 km (0.077 R)
• M3: 1,337,255 km (0.063 R)
• M4: 1,786,947 km (0.101 R)
• M5: 2,256,983 km (0.094 R)
• M6: 2,786,859 km (0.088 R)
• M7: 3,842,571 km (0.091 R)
• M8: 4,673,288 km (0.085 R)
• M9: 5,857,205 km (0.084 R)

Asteroid Belt

Center: 5.61 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 8.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 467

Radius: 5.3

Gravity: 16.63 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 8.23 AU - 9.39 AU

Year: 17438 Days

Day: 15.7 Hours

Environment

Temp: -233 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 61,118,293 km

• M1: 69,563 km (0.101 R)
• M2: 345,122 km (0.037 R)
• M3: 511,625 km (0.101 R)
• M4: 1,151,455 km (0.1 R)
• M5: 1,764,208 km (0.111 R)
• M6: 2,774,293 km (0.056 R)
• M7: 4,556,901 km (0.113 R)
• M8: 4,819,146 km (0.072 R)
• M9: 5,931,256 km (0.119 R)
• M10: 6,526,656 km (0.06 R)
• M11: 6,902,595 km (0.092 R)
• M12: 7,697,409 km (0.095 R)
• M13: 8,502,694 km (0.105 R)
• M14: 8,749,830 km (0.045 R)
• M15: 9,206,702 km (0.067 R)
• M16: 9,949,006 km (0.112 R)
• M17: 10,559,515 km (0.093 R)
• M18: 11,372,430 km (0.105 R)
• M19: 12,288,717 km (0.081 R)
• M20: 14,616,460 km (0.107 R)
• M21: 14,828,590 km (0.082 R)
• M22: 16,909,945 km (0.029 R)
• M23: 17,698,176 km (0.092 R)
• M24: 19,432,614 km (0.075 R)
• M25: 19,689,324 km (0.096 R)
• M26: 24,805,870 km (0.056 R)
• M27: 27,078,561 km (0.115 R)
• M28: 29,261,942 km (0.03 R)
• M29: 30,858,151 km (0.101 R)
• M30: 33,116,181 km (0.117 R)
• M31: 40,130,676 km (0.083 R)
• M32: 48,542,863 km (0.101 R)
• M33: 51,588,527 km (0.083 R)
• M34: 52,080,853 km (0.089 R)
• M35: 52,410,716 km (0.085 R)
• M36: 53,576,383 km (0.077 R)
• M37: 58,589,856 km (0.111 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 277 - 11,654 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit