🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 445.6

Radius: 14

Gravity: 2.27 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.5 AU - 0.64 AU

Year: 302 Days

Day: 11.2 Hours

Environment

Temp: -138 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 19,817,783 km

• M1: 174,132 km (0.077 R)
• M2: 619,784 km (0.064 R)
• M3: 1,129,614 km (0.118 R)
• M4: 1,756,578 km (0.065 R)
• M5: 2,396,109 km (0.067 R)
• M6: 2,893,821 km (0.087 R)
• M7: 3,440,302 km (0.029 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 510.2

Radius: 10

Gravity: 5.1 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.55 AU - 0.89 AU

Year: 429 Days

Day: 10.2 Hours

Environment

Temp: -150 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 19,817,783 km

• M1: 124,316 km (0.12 R)
• M2: 501,751 km (0.056 R)
• M3: 971,339 km (0.104 R)
• M4: 1,856,360 km (0.073 R)
• M5: 2,276,132 km (0.058 R)
• M6: 2,758,884 km (0.055 R)
• M7: 3,253,006 km (0.085 R)
• M8: 4,391,745 km (0.11 R)
• M9: 4,786,234 km (0.08 R)
• M10: 5,281,553 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 625

Radius: 10.9

Gravity: 5.26 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.7 AU - 1 AU

Year: 551 Days

Day: 10.1 Hours

Environment

Temp: -165 °C

Axial Tilt: 78.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 19,817,783 km

• M1: 135,536 km (0.085 R)
• M2: 503,247 km (0.056 R)
• M3: 1,015,620 km (0.093 R)
• M4: 1,382,733 km (0.072 R)
• M5: 2,083,749 km (0.088 R)
• M6: 2,436,650 km (0.098 R)
• M7: 3,065,111 km (0.112 R)
• M8: 3,449,278 km (0.063 R)
• M9: 4,272,066 km (0.103 R)
• M10: 4,975,476 km (0.117 R)
• M11: 5,825,790 km (0.1 R)
• M12: 6,361,799 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 580.4

Radius: 9.6

Gravity: 6.3 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.78 AU - 0.92 AU

Year: 551 Days

Day: 11.2 Hours

Environment

Temp: -163 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 19,817,783 km

• M1: 119,379 km (0.113 R)
• M2: 507,735 km (0.083 R)
• M3: 964,607 km (0.054 R)
• M4: 1,511,986 km (0.048 R)
• M5: 2,475,994 km (0.109 R)
• M6: 3,445,089 km (0.062 R)
• M7: 5,805,594 km (0.101 R)
• M8: 6,547,151 km (0.058 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 514.5

Radius: 13.8

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 1.05 AU - 1.23 AU

Year: 856 Days

Day: 12.4 Hours

Environment

Temp: -183 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 19,817,783 km

• M1: 171,888 km (0.117 R)
• M2: 644,617 km (0.112 R)
• M3: 1,123,031 km (0.117 R)
• M4: 1,666,520 km (0.117 R)
• M5: 2,166,177 km (0.105 R)
• M6: 3,810,108 km (0.026 R)
• M7: 4,842,633 km (0.077 R)
• M8: 5,443,567 km (0.111 R)
• M9: 6,521,121 km (0.101 R)
• M10: 7,345,555 km (0.035 R)
• M11: 8,262,739 km (0.087 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 344.6

Radius: 14.6

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 1.69 AU - 2.71 AU

Year: 2294 Days

Day: 5.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 19,817,783 km

• M1: 181,761 km (0.115 R)
• M2: 716,574 km (0.063 R)
• M3: 1,302,848 km (0.114 R)
• M4: 1,790,537 km (0.05 R)
• M5: 2,377,709 km (0.106 R)
• M6: 2,834,880 km (0.036 R)
• M7: 3,304,617 km (0.103 R)
• M8: 4,018,947 km (0.092 R)
• M9: 5,271,979 km (0.109 R)
• M10: 6,545,206 km (0.111 R)
• M11: 7,538,536 km (0.109 R)
• M12: 8,540,542 km (0.066 R)
• M13: 9,089,417 km (0.119 R)
• M14: 12,542,435 km (0.069 R)
• M15: 13,907,366 km (0.08 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 764.7

Radius: 11

Gravity: 6.32 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 1.97 AU - 2.71 AU

Year: 2516 Days

Day: 12.2 Hours

Environment

Temp: -199 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 19,817,783 km

• M1: 139,724 km (0.05 R)
• M2: 812,466 km (0.112 R)
• M3: 1,242,560 km (0.1 R)
• M4: 1,626,428 km (0.097 R)
• M5: 2,167,075 km (0.1 R)
• M6: 3,519,589 km (0.119 R)
• M7: 4,199,511 km (0.042 R)
• M8: 5,247,893 km (0.087 R)
• M9: 6,029,692 km (0.105 R)
• M10: 7,240,537 km (0.071 R)
• M11: 8,111,945 km (0.059 R)
• M12: 10,025,750 km (0.07 R)
• M13: 13,686,410 km (0.034 R)
• M14: 14,104,985 km (0.112 R)
• M15: 18,774,084 km (0.093 R)
• M16: 19,641,153 km (0.115 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 322 - 11,411 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit