🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 864.2

Radius: 12.2

Gravity: 5.81 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 0.65 AU - 0.67 AU

Year: 370 Days

Day: 5.8 Hours

Environment

Temp: -151 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 79,419,429 km

• M1: 151,692 km (0.119 R)
• M2: 563,685 km (0.101 R)
• M3: 985,551 km (0.094 R)
• M4: 1,416,692 km (0.087 R)
• M5: 1,866,383 km (0.118 R)
• M6: 2,581,162 km (0.089 R)
• M7: 3,139,012 km (0.062 R)
• M8: 3,751,316 km (0.069 R)
• M9: 4,139,822 km (0.061 R)
• M10: 5,326,582 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 303.1

Radius: 9.9

Gravity: 3.09 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.99 AU - 1.45 AU

Year: 930 Days

Day: 12.4 Hours

Environment

Temp: -179 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 79,419,429 km

• M1: 123,119 km (0.096 R)
• M2: 574,157 km (0.119 R)
• M3: 913,594 km (0.077 R)
• M4: 1,227,301 km (0.072 R)
• M5: 1,614,909 km (0.071 R)
• M6: 2,011,493 km (0.078 R)
• M7: 2,442,185 km (0.098 R)
• M8: 3,027,711 km (0.111 R)
• M9: 3,347,851 km (0.095 R)
• M10: 4,013,711 km (0.078 R)
• M11: 5,810,082 km (0.111 R)
• M12: 6,875,069 km (0.113 R)
• M13: 7,322,816 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 604.7

Radius: 9.9

Gravity: 6.17 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 1.63 AU - 1.73 AU

Year: 1503 Days

Day: 5.3 Hours

Environment

Temp: -190 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 79,419,429 km

• M1: 124,316 km (0.084 R)
• M2: 437,125 km (0.055 R)
• M3: 1,083,837 km (0.044 R)
• M4: 2,072,678 km (0.07 R)
• M5: 2,687,675 km (0.066 R)
• M6: 3,419,957 km (0.112 R)
• M7: 4,047,819 km (0.057 R)
• M8: 4,750,929 km (0.068 R)
• M9: 5,447,158 km (0.073 R)
• M10: 6,024,157 km (0.064 R)
• M11: 9,292,122 km (0.027 R)
• M12: 11,092,682 km (0.11 R)
• M13: 11,585,906 km (0.112 R)
• M14: 12,353,194 km (0.068 R)
• M15: 12,921,666 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 447.6

Radius: 12.7

Gravity: 2.78 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 2.5 AU - 2.96 AU

Year: 3114 Days

Day: 12.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 79,419,429 km

• M1: 158,125 km (0.111 R)
• M2: 591,959 km (0.091 R)
• M3: 1,370,765 km (0.038 R)
• M4: 1,966,614 km (0.074 R)
• M5: 3,345,158 km (0.053 R)
• M6: 4,010,270 km (0.118 R)
• M7: 4,762,149 km (0.042 R)
• M8: 6,222,075 km (0.077 R)
• M9: 7,260,284 km (0.096 R)
• M10: 8,056,743 km (0.097 R)
• M11: 8,708,242 km (0.095 R)
• M12: 9,536,266 km (0.057 R)
• M13: 10,953,855 km (0.074 R)
• M14: 13,248,387 km (0.081 R)
• M15: 15,449,421 km (0.119 R)
• M16: 15,997,847 km (0.079 R)
• M17: 16,507,676 km (0.084 R)
• M18: 18,993,993 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 987.3

Radius: 13

Gravity: 5.84 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 4.98 AU - 5.68 AU

Year: 8494 Days

Day: 14.5 Hours

Environment

Temp: -233 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 79,419,429 km

• M1: 162,014 km (0.069 R)
• M2: 622,776 km (0.087 R)
• M3: 1,032,076 km (0.074 R)
• M4: 1,508,096 km (0.054 R)
• M5: 2,438,595 km (0.09 R)
• M6: 3,054,789 km (0.043 R)
• M7: 3,473,064 km (0.092 R)
• M8: 4,118,130 km (0.063 R)
• M9: 4,690,791 km (0.119 R)
• M10: 5,514,178 km (0.113 R)
• M11: 6,103,294 km (0.114 R)
• M12: 7,085,404 km (0.118 R)
• M13: 7,656,569 km (0.114 R)
• M14: 9,172,145 km (0.09 R)
• M15: 9,851,319 km (0.054 R)
• M16: 12,730,629 km (0.088 R)
• M17: 13,762,406 km (0.062 R)
• M18: 15,179,397 km (0.044 R)
• M19: 16,976,965 km (0.027 R)
• M20: 19,933,767 km (0.115 R)
• M21: 20,743,989 km (0.105 R)
• M22: 21,157,178 km (0.084 R)
• M23: 22,690,855 km (0.102 R)
• M24: 23,753,599 km (0.117 R)
• M25: 27,043,256 km (0.032 R)
• M26: 28,643,803 km (0.112 R)
• M27: 30,412,499 km (0.064 R)
• M28: 32,808,309 km (0.051 R)
• M29: 35,680,588 km (0.116 R)
• M30: 36,633,975 km (0.084 R)
• M31: 41,396,573 km (0.117 R)
• M32: 44,334,376 km (0.073 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 783.6

Radius: 3.6

Gravity: 60.46 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 9.8 AU - 10.32 AU

Year: 22025 Days

Day: 20.4 Hours

Environment

Temp: -243 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 79,419,429 km

• M1: 45,179 km (0.059 R)
• M2: 379,380 km (0.094 R)
• M3: 635,791 km (0.108 R)
• M4: 899,532 km (0.038 R)
• M5: 1,159,683 km (0.11 R)
• M6: 3,437,609 km (0.119 R)
• M7: 5,192,991 km (0.119 R)
• M8: 5,432,347 km (0.047 R)
• M9: 6,194,848 km (0.097 R)
• M10: 8,086,962 km (0.105 R)
• M11: 11,098,367 km (0.075 R)
• M12: 12,529,570 km (0.05 R)
• M13: 21,151,942 km (0.082 R)
• M14: 27,187,019 km (0.106 R)
• M15: 29,012,113 km (0.072 R)
• M16: 32,099,514 km (0.096 R)
• M17: 52,685,827 km (0.065 R)
• M18: 70,267,017 km (0.088 R)
• M19: 75,319,237 km (0.095 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 629.1

Radius: 7.4

Gravity: 11.49 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 9.9 AU - 10.36 AU

Year: 22255 Days

Day: 15.1 Hours

Environment

Temp: -245 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 79,419,429 km

• M1: 92,601 km (0.067 R)
• M2: 1,044,642 km (0.076 R)
• M3: 2,026,752 km (0.063 R)
• M4: 2,691,415 km (0.104 R)
• M5: 3,101,164 km (0.118 R)
• M6: 3,671,132 km (0.03 R)
• M7: 4,045,426 km (0.114 R)
• M8: 5,245,500 km (0.114 R)
• M9: 6,268,001 km (0.09 R)
• M10: 7,177,107 km (0.074 R)
• M11: 7,466,280 km (0.077 R)
• M12: 8,223,395 km (0.066 R)
• M13: 8,540,094 km (0.11 R)
• M14: 10,247,903 km (0.056 R)
• M15: 11,902,007 km (0.077 R)
• M16: 13,653,349 km (0.107 R)
• M17: 16,219,102 km (0.088 R)
• M18: 16,801,935 km (0.112 R)
• M19: 20,789,915 km (0.06 R)
• M20: 24,815,594 km (0.081 R)
• M21: 25,145,308 km (0.052 R)
• M22: 26,953,048 km (0.108 R)
• M23: 27,184,925 km (0.027 R)
• M24: 28,364,355 km (0.087 R)
• M25: 31,977,442 km (0.113 R)
• M26: 33,961,409 km (0.119 R)
• M27: 36,874,978 km (0.059 R)
• M28: 37,592,449 km (0.098 R)
• M29: 38,612,407 km (0.116 R)
• M30: 42,406,209 km (0.072 R)
• M31: 45,614,485 km (0.119 R)
• M32: 47,277,864 km (0.072 R)
• M33: 52,690,464 km (0.099 R)
• M34: 59,477,570 km (0.082 R)
• M35: 62,672,532 km (0.117 R)
• M36: 70,495,453 km (0.049 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 459 - 16,029 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit