🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 492

Radius: 9.9

Gravity: 5.02 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.71 AU - 0.99 AU

Year: 532 Days

Day: 12.4 Hours

Environment

Temp: -162 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 20,290,743 km

• M1: 123,119 km (0.068 R)
• M2: 705,653 km (0.116 R)
• M3: 1,043,744 km (0.084 R)
• M4: 1,381,836 km (0.09 R)
• M5: 1,778,569 km (0.082 R)
• M6: 2,101,700 km (0.088 R)
• M7: 2,455,051 km (0.12 R)
• M8: 2,933,614 km (0.118 R)
• M9: 4,216,266 km (0.082 R)
• M10: 4,874,497 km (0.115 R)
• M11: 6,050,486 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 582.6

Radius: 13.9

Gravity: 3.02 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 0.79 AU - 1.07 AU

Year: 608 Days

Day: 6.1 Hours

Environment

Temp: -177 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 20,290,743 km

• M1: 172,935 km (0.106 R)
• M2: 621,280 km (0.115 R)
• M3: 1,263,803 km (0.108 R)
• M4: 2,346,293 km (0.106 R)
• M5: 3,051,797 km (0.113 R)
• M6: 3,550,855 km (0.049 R)
• M7: 4,019,994 km (0.087 R)
• M8: 5,577,906 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 924.7

Radius: 9.5

Gravity: 10.25 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 0.94 AU - 0.94 AU

Year: 618 Days

Day: 9.2 Hours

Environment

Temp: -172 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 20,290,743 km

• M1: 118,631 km (0.095 R)
• M2: 555,606 km (0.044 R)
• M3: 897,288 km (0.033 R)
• M4: 1,220,270 km (0.081 R)
• M5: 2,208,364 km (0.062 R)
• M6: 2,508,158 km (0.045 R)
• M7: 3,320,175 km (0.078 R)
• M8: 3,716,011 km (0.099 R)
• M9: 4,251,123 km (0.113 R)
• M10: 4,685,555 km (0.05 R)
• M11: 5,078,698 km (0.115 R)
• M12: 5,401,830 km (0.117 R)
• M13: 5,834,616 km (0.107 R)
• M14: 6,169,267 km (0.106 R)
• M15: 7,943,647 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 236.4

Radius: 15

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 1.53 AU - 1.61 AU

Year: 1334 Days

Day: 7.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 20,290,743 km

• M1: 188,643 km (0.095 R)
• M2: 740,659 km (0.111 R)
• M3: 1,394,701 km (0.106 R)
• M4: 2,070,435 km (0.083 R)
• M5: 3,710,925 km (0.109 R)
• M6: 4,327,118 km (0.071 R)
• M7: 5,690,105 km (0.108 R)
• M8: 8,126,156 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 440.3

Radius: 14.4

Gravity: 2.12 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 1.64 AU - 1.66 AU

Year: 1438 Days

Day: 8.5 Hours

Environment

Temp: -202 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 20,290,743 km

• M1: 179,517 km (0.095 R)
• M2: 662,270 km (0.056 R)
• M3: 1,190,350 km (0.1 R)
• M4: 1,732,044 km (0.073 R)
• M5: 2,291,989 km (0.093 R)
• M6: 3,817,588 km (0.067 R)
• M7: 4,706,499 km (0.102 R)
• M8: 6,294,330 km (0.072 R)
• M9: 7,137,913 km (0.083 R)
• M10: 8,296,848 km (0.032 R)
• M11: 10,344,543 km (0.116 R)
• M12: 11,052,889 km (0.078 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 31.9

Radius: 12.7

Gravity: 0.2 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 2.31 AU - 3.55 AU

Year: 3402 Days

Day: 9.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 20,290,743 km

• M1: 157,975 km (0.051 R)
• M2: 755,768 km (0.104 R)
• M3: 1,851,423 km (0.075 R)
• M4: 2,819,920 km (0.109 R)
• M5: 3,274,249 km (0.077 R)
• M6: 3,981,248 km (0.075 R)
• M7: 4,475,370 km (0.109 R)
• M8: 4,924,014 km (0.103 R)
• M9: 6,089,232 km (0.091 R)
• M10: 6,833,182 km (0.03 R)
• M11: 7,476,004 km (0.096 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 132.6

Radius: 9.3

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 3.56 AU - 5.24 AU

Year: 6260 Days

Day: 7.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 20,290,743 km

• M1: 119,828 km (0.117 R)
• M2: 553,811 km (0.114 R)
• M3: 1,129,314 km (0.043 R)
• M4: 1,697,487 km (0.061 R)
• M5: 2,041,263 km (0.063 R)
• M6: 2,791,945 km (0.095 R)
• M7: 4,113,493 km (0.073 R)
• M8: 6,022,062 km (0.114 R)
• M9: 7,931,829 km (0.065 R)
• M10: 9,689,753 km (0.102 R)
• M11: 11,403,098 km (0.086 R)
• M12: 14,774,286 km (0.048 R)
• M13: 17,087,667 km (0.078 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 412 - 20,059 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit