🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 884.4

Radius: 11.2

Gravity: 7.05 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.6 AU - 0.62 AU

Year: 329 Days

Day: 7.8 Hours

Environment

Temp: -155 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 45,503,764 km

• M1: 139,276 km (0.094 R)
• M2: 501,602 km (0.049 R)
• M3: 856,149 km (0.111 R)
• M4: 1,205,609 km (0.101 R)
• M5: 1,729,950 km (0.06 R)
• M6: 2,262,369 km (0.042 R)
• M7: 3,080,071 km (0.062 R)
• M8: 3,481,591 km (0.088 R)
• M9: 4,136,680 km (0.033 R)
• M10: 4,627,361 km (0.036 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 764.6

Radius: 14.4

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.32 AU - 1.98 AU

Year: 1463 Days

Day: 7.7 Hours

Environment

Temp: -199 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 45,503,764 km

• M1: 184,155 km (0.107 R)
• M2: 852,558 km (0.108 R)
• M3: 1,851,872 km (0.076 R)
• M4: 2,360,654 km (0.097 R)
• M5: 3,990,673 km (0.101 R)
• M6: 4,893,047 km (0.1 R)
• M7: 5,790,634 km (0.098 R)
• M8: 7,051,445 km (0.055 R)
• M9: 8,547,125 km (0.086 R)
• M10: 9,276,115 km (0.11 R)
• M11: 10,079,306 km (0.104 R)
• M12: 10,824,154 km (0.096 R)
• M13: 11,460,543 km (0.049 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 202.4

Radius: 9.6

Gravity: 2.2 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 4.2 AU - 5.5 AU

Year: 7373 Days

Day: 11.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 45,503,764 km

• M1: 120,127 km (0.083 R)
• M2: 500,854 km (0.053 R)
• M3: 914,641 km (0.071 R)
• M4: 1,231,340 km (0.095 R)
• M5: 1,986,510 km (0.065 R)
• M6: 3,479,497 km (0.094 R)
• M7: 4,821,988 km (0.04 R)
• M8: 5,693,545 km (0.086 R)
• M9: 6,330,533 km (0.107 R)
• M10: 7,143,747 km (0.033 R)
• M11: 9,559,753 km (0.116 R)
• M12: 10,043,851 km (0.106 R)
• M13: 11,414,766 km (0.094 R)
• M14: 16,272,957 km (0.034 R)
• M15: 16,789,070 km (0.052 R)
• M16: 17,257,012 km (0.12 R)
• M17: 17,975,082 km (0.115 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 900

Radius: 7.6

Gravity: 15.58 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 6.8 AU - 6.82 AU

Year: 12267 Days

Day: 20.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 42.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 45,503,764 km

• M1: 94,845 km (0.079 R)
• M2: 369,208 km (0.042 R)
• M3: 864,077 km (0.053 R)
• M4: 1,732,493 km (0.101 R)
• M5: 1,971,850 km (0.076 R)
• M6: 2,253,094 km (0.081 R)
• M7: 2,781,772 km (0.116 R)
• M8: 4,418,672 km (0.1 R)
• M9: 4,738,064 km (0.117 R)
• M10: 7,248,017 km (0.092 R)
• M11: 7,693,071 km (0.076 R)
• M12: 8,109,252 km (0.099 R)
• M13: 8,346,813 km (0.11 R)
• M14: 11,218,195 km (0.104 R)
• M15: 11,996,702 km (0.101 R)
• M16: 12,619,777 km (0.117 R)
• M17: 13,198,721 km (0.051 R)
• M18: 14,618,554 km (0.087 R)
• M19: 16,362,566 km (0.053 R)
• M20: 17,128,657 km (0.094 R)
• M21: 17,998,569 km (0.117 R)
• M22: 20,085,010 km (0.047 R)
• M23: 22,889,372 km (0.107 R)
• M24: 23,269,350 km (0.071 R)
• M25: 26,254,127 km (0.068 R)
• M26: 28,162,248 km (0.103 R)
• M27: 29,708,940 km (0.098 R)
• M28: 44,763,572 km (0.117 R)
• M29: 45,507,223 km (0.074 R)
• M30: 47,479,223 km (0.113 R)
• M31: 55,084,030 km (0.115 R)
• M32: 57,847,402 km (0.071 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 278

Radius: 4.9

Gravity: 11.58 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 6.94 AU - 8.3 AU

Year: 14519 Days

Day: 18.4 Hours

Environment

Temp: -235 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 45,503,764 km

• M1: 61,036 km (0.069 R)
• M2: 230,231 km (0.047 R)
• M3: 392,694 km (0.096 R)
• M4: 721,062 km (0.102 R)
• M5: 878,140 km (0.069 R)
• M6: 1,325,138 km (0.034 R)
• M7: 1,536,071 km (0.119 R)
• M8: 2,400,298 km (0.031 R)
• M9: 3,079,771 km (0.097 R)
• M10: 4,600,583 km (0.087 R)
• M11: 7,956,213 km (0.076 R)
• M12: 9,585,035 km (0.107 R)
• M13: 12,540,640 km (0.103 R)
• M14: 14,795,379 km (0.114 R)
• M15: 15,316,129 km (0.117 R)
• M16: 20,405,598 km (0.053 R)
• M17: 20,807,119 km (0.116 R)
• M18: 27,381,646 km (0.093 R)
• M19: 32,096,672 km (0.111 R)
• M20: 32,530,655 km (0.113 R)
• M21: 34,305,335 km (0.108 R)
• M22: 35,101,644 km (0.03 R)
• M23: 39,765,358 km (0.066 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 382 - 13,626 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit