🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 105

Radius: 8.9

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.45 AU - 0.61 AU

Year: 262 Days

Day: 8.1 Hours

Environment

Temp: -139 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 27,288,117 km

• M1: 110,702 km (0.113 R)
• M2: 449,242 km (0.034 R)
• M3: 737,368 km (0.105 R)
• M4: 1,021,604 km (0.092 R)
• M5: 1,422,077 km (0.086 R)
• M6: 2,031,240 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 81.8

Radius: 8.7

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 0.7 AU - 0.7 AU

Year: 397 Days

Day: 8.3 Hours

Environment

Temp: -156 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 27,288,117 km

• M1: 108,309 km (0.052 R)
• M2: 483,650 km (0.06 R)
• M3: 1,327,532 km (0.076 R)
• M4: 1,950,457 km (0.12 R)
• M5: 2,569,942 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 888.6

Radius: 13.7

Gravity: 4.73 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 1.22 AU - 1.28 AU

Year: 948 Days

Day: 6.5 Hours

Environment

Temp: -189 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 27,288,117 km

• M1: 170,392 km (0.092 R)
• M2: 665,262 km (0.088 R)
• M3: 1,113,008 km (0.102 R)
• M4: 1,817,614 km (0.077 R)
• M5: 2,469,562 km (0.092 R)
• M6: 2,987,769 km (0.065 R)
• M7: 3,519,140 km (0.116 R)
• M8: 4,866,269 km (0.055 R)
• M9: 5,345,132 km (0.044 R)
• M10: 6,998,338 km (0.058 R)
• M11: 7,635,775 km (0.088 R)
• M12: 8,338,436 km (0.04 R)
• M13: 9,723,862 km (0.098 R)
• M14: 10,771,795 km (0.038 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 10.4

Radius: 13.9

Gravity: 0.05 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 1.63 AU - 2.57 AU

Year: 2064 Days

Day: 6.5 Hours

Environment

Temp: -209 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (2)

Outer Limit: 27,288,117 km

• M1: 172,935 km (0.068 R)
• M2: 2,000,572 km (0.049 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 535.7

Radius: 9.2

Gravity: 6.33 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 1.91 AU - 3.09 AU

Year: 2681 Days

Day: 7.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 27,288,117 km

• M1: 114,442 km (0.111 R)
• M2: 457,919 km (0.116 R)
• M3: 1,299,856 km (0.12 R)
• M4: 1,788,293 km (0.099 R)
• M5: 2,577,871 km (0.098 R)
• M6: 3,003,626 km (0.057 R)
• M7: 3,301,775 km (0.091 R)
• M8: 3,805,171 km (0.102 R)
• M9: 4,115,288 km (0.044 R)
• M10: 4,920,274 km (0.063 R)
• M11: 6,213,697 km (0.099 R)
• M12: 7,659,561 km (0.086 R)
• M13: 8,707,194 km (0.085 R)
• M14: 9,110,959 km (0.11 R)
• M15: 9,847,729 km (0.115 R)
• M16: 10,585,695 km (0.104 R)
• M17: 11,007,112 km (0.108 R)
• M18: 13,594,856 km (0.09 R)
• M19: 14,509,497 km (0.1 R)
• M20: 14,839,062 km (0.111 R)
• M21: 15,709,721 km (0.08 R)
• M22: 17,288,577 km (0.099 R)
• M23: 18,035,220 km (0.064 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 287.8

Radius: 14

Gravity: 1.47 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 2.28 AU - 2.96 AU

Year: 2876 Days

Day: 10.6 Hours

Environment

Temp: -201 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 27,288,117 km

• M1: 174,282 km (0.116 R)
• M2: 648,507 km (0.119 R)
• M3: 1,555,668 km (0.03 R)
• M4: 2,119,353 km (0.103 R)
• M5: 2,861,807 km (0.113 R)
• M6: 4,097,635 km (0.051 R)
• M7: 5,480,069 km (0.036 R)
• M8: 6,117,955 km (0.091 R)
• M9: 6,778,878 km (0.032 R)
• M10: 8,891,948 km (0.116 R)
• M11: 11,376,170 km (0.094 R)
• M12: 11,831,247 km (0.095 R)
• M13: 12,737,660 km (0.086 R)
• M14: 13,270,229 km (0.097 R)
• M15: 14,467,760 km (0.08 R)
• M16: 14,912,664 km (0.09 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 449.2

Radius: 8.9

Gravity: 5.67 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 3.68 AU - 4.2 AU

Year: 5304 Days

Day: 10.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 27,288,117 km

• M1: 111,301 km (0.037 R)
• M2: 420,220 km (0.1 R)
• M3: 733,179 km (0.068 R)
• M4: 1,043,595 km (0.081 R)
• M5: 1,498,522 km (0.063 R)
• M6: 2,363,198 km (0.097 R)
• M7: 3,135,123 km (0.109 R)
• M8: 5,038,606 km (0.097 R)
• M9: 5,385,972 km (0.101 R)
• M10: 5,951,751 km (0.11 R)
• M11: 6,309,889 km (0.11 R)
• M12: 8,999,957 km (0.085 R)
• M13: 9,920,284 km (0.053 R)
• M14: 13,358,192 km (0.083 R)
• M15: 14,768,900 km (0.118 R)
• M16: 15,538,282 km (0.076 R)
• M17: 21,830,368 km (0.094 R)
• M18: 26,560,952 km (0.058 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 182 - 19,586 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit