🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 779.9

Radius: 9.9

Gravity: 7.96 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 0.58 AU - 0.7 AU

Year: 353 Days

Day: 6.9 Hours

Environment

Temp: -148 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 66,916,491 km

• M1: 123,119 km (0.056 R)
• M2: 513,270 km (0.111 R)
• M3: 989,889 km (0.113 R)
• M4: 1,366,277 km (0.096 R)
• M5: 1,960,929 km (0.116 R)
• M6: 2,407,927 km (0.111 R)
• M7: 2,819,920 km (0.071 R)
• M8: 5,020,056 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 261.8

Radius: 10.7

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.53 AU - 0.75 AU

Year: 353 Days

Day: 10.1 Hours

Environment

Temp: -148 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 66,916,491 km

• M1: 133,142 km (0.091 R)
• M2: 510,578 km (0.051 R)
• M3: 1,002,455 km (0.045 R)
• M4: 1,345,932 km (0.099 R)
• M5: 1,821,354 km (0.109 R)
• M6: 2,221,379 km (0.069 R)
• M7: 2,595,224 km (0.063 R)
• M8: 3,114,927 km (0.098 R)
• M9: 3,502,535 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 19.6

Radius: 11

Gravity: 0.16 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 2.46 AU - 3.1 AU

Year: 3199 Days

Day: 13.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 66,916,491 km

• M1: 136,882 km (0.107 R)
• M2: 674,986 km (0.032 R)
• M3: 1,552,676 km (0.058 R)
• M4: 2,512,047 km (0.098 R)
• M5: 3,241,337 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 248.5

Radius: 13.1

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 3.62 AU - 4.04 AU

Year: 5174 Days

Day: 8.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 66,916,491 km

• M1: 163,211 km (0.05 R)
• M2: 771,327 km (0.114 R)
• M3: 1,430,455 km (0.117 R)
• M4: 2,250,102 km (0.115 R)
• M5: 3,255,698 km (0.111 R)
• M6: 3,664,250 km (0.097 R)
• M7: 4,518,753 km (0.039 R)
• M8: 5,029,780 km (0.118 R)
• M9: 5,842,096 km (0.108 R)
• M10: 8,775,561 km (0.094 R)
• M11: 9,242,007 km (0.115 R)
• M12: 12,986,292 km (0.062 R)
• M13: 15,631,930 km (0.103 R)
• M14: 17,136,586 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 595.9

Radius: 13.9

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 4.33 AU - 5.99 AU

Year: 8091 Days

Day: 9.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 66,916,491 km

• M1: 173,534 km (0.086 R)
• M2: 699,520 km (0.111 R)
• M3: 1,607,429 km (0.099 R)
• M4: 2,343,451 km (0.042 R)
• M5: 6,576,322 km (0.096 R)
• M6: 7,693,071 km (0.1 R)
• M7: 14,330,728 km (0.108 R)
• M8: 15,498,040 km (0.06 R)
• M9: 16,861,026 km (0.105 R)
• M10: 27,499,230 km (0.108 R)
• M11: 35,609,828 km (0.06 R)
• M12: 39,375,057 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 121.3

Radius: 8.5

Gravity: 1.68 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 4.8 AU - 5.92 AU

Year: 8566 Days

Day: 7.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 66,916,491 km

• M1: 105,915 km (0.071 R)
• M2: 381,026 km (0.107 R)
• M3: 882,927 km (0.043 R)
• M4: 1,759,421 km (0.093 R)
• M5: 2,040,964 km (0.12 R)
• M6: 2,489,309 km (0.11 R)
• M7: 3,200,198 km (0.041 R)
• M8: 3,484,882 km (0.112 R)
• M9: 4,327,866 km (0.099 R)
• M10: 5,044,739 km (0.028 R)
• M11: 6,323,951 km (0.071 R)
• M12: 7,310,698 km (0.09 R)
• M13: 7,874,832 km (0.096 R)
• M14: 8,361,025 km (0.095 R)
• M15: 8,720,359 km (0.116 R)
• M16: 9,015,366 km (0.12 R)
• M17: 11,444,387 km (0.088 R)
• M18: 12,159,465 km (0.104 R)
• M19: 13,094,601 km (0.05 R)
• M20: 15,054,931 km (0.084 R)
• M21: 16,132,634 km (0.045 R)
• M22: 18,501,217 km (0.099 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 891.1

Radius: 6.9

Gravity: 18.72 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 6.51 AU - 8.69 AU

Year: 14462 Days

Day: 15.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 66,916,491 km

• M1: 87,066 km (0.062 R)
• M2: 339,587 km (0.079 R)
• M3: 847,023 km (0.099 R)
• M4: 2,296,327 km (0.027 R)
• M5: 2,553,636 km (0.102 R)
• M6: 2,830,093 km (0.054 R)
• M7: 3,470,970 km (0.043 R)
• M8: 5,362,336 km (0.073 R)
• M9: 5,974,939 km (0.103 R)
• M10: 6,506,311 km (0.053 R)
• M11: 6,980,237 km (0.104 R)
• M12: 7,476,752 km (0.097 R)
• M13: 7,804,820 km (0.103 R)
• M14: 10,377,155 km (0.05 R)
• M15: 11,265,468 km (0.07 R)
• M16: 12,397,325 km (0.032 R)
• M17: 17,769,833 km (0.036 R)
• M18: 20,096,080 km (0.11 R)
• M19: 22,327,931 km (0.071 R)
• M20: 25,343,375 km (0.106 R)
• M21: 26,084,034 km (0.096 R)
• M22: 28,962,148 km (0.101 R)
• M23: 30,123,177 km (0.072 R)
• M24: 30,596,205 km (0.058 R)
• M25: 30,954,193 km (0.098 R)
• M26: 32,537,986 km (0.085 R)
• M27: 38,160,771 km (0.099 R)
• M28: 38,853,858 km (0.114 R)
• M29: 39,980,181 km (0.102 R)
• M30: 45,784,428 km (0.114 R)
• M31: 50,447,544 km (0.036 R)
• M32: 50,947,200 km (0.1 R)
• M33: 51,450,148 km (0.058 R)
• M34: 54,538,148 km (0.105 R)
• M35: 65,720,738 km (0.029 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: 422 - 13,876 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit