🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 675.5

Radius: 11.9

Gravity: 4.77 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 0.5 AU - 0.62 AU

Year: 284 Days

Day: 14.1 Hours

Environment

Temp: -149 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 66,630,821 km

• M1: 148,102 km (0.101 R)
• M2: 529,128 km (0.094 R)
• M3: 1,268,740 km (0.103 R)
• M4: 2,355,568 km (0.075 R)
• M5: 2,947,377 km (0.066 R)
• M6: 3,406,344 km (0.099 R)
• M7: 4,129,350 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 24.9

Radius: 13.4

Gravity: 0.14 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 0.92 AU - 1.04 AU

Year: 658 Days

Day: 5.2 Hours

Environment

Temp: -169 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 66,630,821 km

• M1: 166,652 km (0.097 R)
• M2: 955,182 km (0.08 R)
• M3: 1,448,706 km (0.11 R)
• M4: 2,009,399 km (0.051 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 447.1

Radius: 11.1

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 1.02 AU - 1.06 AU

Year: 719 Days

Day: 8.7 Hours

Environment

Temp: -174 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 66,630,821 km

• M1: 138,079 km (0.077 R)
• M2: 543,788 km (0.054 R)
• M3: 913,295 km (0.065 R)
• M4: 1,298,809 km (0.114 R)
• M5: 1,654,104 km (0.069 R)
• M6: 2,129,226 km (0.102 R)
• M7: 2,759,782 km (0.074 R)
• M8: 3,137,666 km (0.08 R)
• M9: 3,695,666 km (0.083 R)
• M10: 4,735,072 km (0.109 R)
• M11: 6,147,575 km (0.06 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 287.5

Radius: 12.2

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 2.4 AU - 3.36 AU

Year: 3315 Days

Day: 7.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 66,630,821 km

• M1: 152,440 km (0.082 R)
• M2: 580,290 km (0.119 R)
• M3: 1,079,199 km (0.091 R)
• M4: 1,487,601 km (0.092 R)
• M5: 1,977,684 km (0.045 R)
• M6: 2,533,590 km (0.108 R)
• M7: 3,143,799 km (0.076 R)
• M8: 4,597,292 km (0.103 R)
• M9: 5,652,107 km (0.117 R)
• M10: 6,071,280 km (0.113 R)
• M11: 6,564,205 km (0.087 R)
• M12: 7,930,183 km (0.118 R)
• M13: 14,439,186 km (0.078 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 908.5

Radius: 12.2

Gravity: 6.1 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 2.73 AU - 3.97 AU

Year: 4159 Days

Day: 14.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 66,630,821 km

• M1: 151,692 km (0.044 R)
• M2: 565,480 km (0.035 R)
• M3: 1,004,550 km (0.069 R)
• M4: 1,678,787 km (0.109 R)
• M5: 2,587,744 km (0.12 R)
• M6: 4,162,112 km (0.096 R)
• M7: 4,981,759 km (0.083 R)
• M8: 5,416,490 km (0.067 R)
• M9: 5,965,664 km (0.054 R)
• M10: 6,456,794 km (0.061 R)
• M11: 8,168,044 km (0.118 R)
• M12: 8,774,663 km (0.042 R)
• M13: 9,782,654 km (0.083 R)
• M14: 10,379,998 km (0.043 R)
• M15: 11,507,068 km (0.038 R)
• M16: 12,221,548 km (0.077 R)
• M17: 15,096,968 km (0.113 R)
• M18: 15,549,801 km (0.092 R)
• M19: 16,542,233 km (0.075 R)
• M20: 17,023,789 km (0.044 R)
• M21: 18,332,172 km (0.095 R)
• M22: 20,729,627 km (0.086 R)
• M23: 22,586,287 km (0.099 R)
• M24: 25,416,229 km (0.102 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 339.7

Radius: 4.8

Gravity: 14.74 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 6.14 AU - 6.4 AU

Year: 10649 Days

Day: 17.8 Hours

Environment

Temp: -233 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 66,630,821 km

• M1: 99,183 km (0.03 R)
• M2: 380,427 km (0.081 R)
• M3: 572,361 km (0.093 R)
• M4: 926,908 km (0.085 R)
• M5: 1,084,136 km (0.114 R)
• M6: 1,428,360 km (0.034 R)
• M7: 1,782,608 km (0.105 R)
• M8: 3,092,188 km (0.025 R)
• M9: 4,031,663 km (0.116 R)
• M10: 6,007,701 km (0.119 R)
• M11: 6,314,825 km (0.117 R)
• M12: 7,034,391 km (0.082 R)
• M13: 8,049,861 km (0.113 R)
• M14: 8,465,145 km (0.089 R)
• M15: 9,937,487 km (0.073 R)
• M16: 10,709,412 km (0.112 R)
• M17: 11,008,907 km (0.059 R)
• M18: 11,262,775 km (0.105 R)
• M19: 18,235,532 km (0.104 R)
• M20: 21,602,681 km (0.109 R)
• M21: 26,253,080 km (0.106 R)
• M22: 27,721,533 km (0.053 R)
• M23: 28,097,023 km (0.1 R)
• M24: 32,040,423 km (0.031 R)
• M25: 33,715,919 km (0.087 R)
• M26: 36,787,164 km (0.084 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 769.6

Radius: 8

Gravity: 12.03 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 6.31 AU - 9.77 AU

Year: 15462 Days

Day: 16.6 Hours

Environment

Temp: -238 °C

Axial Tilt: 92.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 66,630,821 km

• M1: 99,483 km (0.048 R)
• M2: 493,972 km (0.098 R)
• M3: 779,255 km (0.047 R)
• M4: 1,066,034 km (0.104 R)
• M5: 1,365,829 km (0.112 R)
• M6: 2,100,803 km (0.076 R)
• M7: 2,383,393 km (0.034 R)
• M8: 2,831,439 km (0.076 R)
• M9: 3,152,177 km (0.083 R)
• M10: 4,923,864 km (0.077 R)
• M11: 5,389,263 km (0.027 R)
• M12: 5,766,848 km (0.099 R)
• M13: 9,837,257 km (0.092 R)
• M14: 10,459,734 km (0.111 R)
• M15: 10,928,872 km (0.115 R)
• M16: 11,229,115 km (0.065 R)
• M17: 11,534,893 km (0.077 R)
• M18: 12,163,055 km (0.042 R)
• M19: 12,420,662 km (0.094 R)
• M20: 13,763,602 km (0.11 R)
• M21: 18,539,814 km (0.098 R)
• M22: 21,390,401 km (0.082 R)
• M23: 23,811,343 km (0.087 R)
• M24: 24,418,412 km (0.078 R)
• M25: 27,388,827 km (0.069 R)
• M26: 30,829,578 km (0.049 R)
• M27: 31,309,189 km (0.083 R)
• M28: 35,326,191 km (0.068 R)
• M29: 48,117,407 km (0.066 R)
• M30: 48,762,623 km (0.085 R)
• M31: 60,072,671 km (0.028 R)
• M32: 62,718,309 km (0.107 R)
• M33: 63,102,476 km (0.111 R)
• M34: 65,835,629 km (0.094 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 431 - 14,776 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit