🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.6 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 410

Radius: 12.1

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 1.01 AU - 1.37 AU

Year: 866 Days

Day: 8.6 Hours

Environment

Temp: -190 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 30,002,686 km

• M1: 150,495 km (0.112 R)
• M2: 766,988 km (0.079 R)
• M3: 1,476,082 km (0.082 R)
• M4: 2,260,424 km (0.085 R)
• M5: 2,664,787 km (0.04 R)
• M6: 3,331,096 km (0.098 R)
• M7: 3,802,179 km (0.062 R)
• M8: 4,552,413 km (0.106 R)
• M9: 5,345,282 km (0.093 R)
• M10: 6,673,711 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 846.2

Radius: 9.7

Gravity: 8.99 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 1.09 AU - 1.29 AU

Year: 866 Days

Day: 7.4 Hours

Environment

Temp: -182 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 30,002,686 km

• M1: 120,875 km (0.106 R)
• M2: 592,408 km (0.115 R)
• M3: 1,014,722 km (0.116 R)
• M4: 1,326,634 km (0.038 R)
• M5: 1,848,282 km (0.078 R)
• M6: 2,456,247 km (0.092 R)
• M7: 2,764,269 km (0.043 R)
• M8: 3,288,909 km (0.087 R)
• M9: 4,282,239 km (0.099 R)
• M10: 4,875,993 km (0.043 R)
• M11: 5,327,330 km (0.09 R)
• M12: 5,930,658 km (0.1 R)
• M13: 6,578,866 km (0.038 R)
• M14: 7,225,727 km (0.119 R)
• M15: 7,813,497 km (0.114 R)
• M16: 9,001,154 km (0.025 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 77.2

Radius: 13.9

Gravity: 0.4 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 1.72 AU - 2.22 AU

Year: 1844 Days

Day: 11.1 Hours

Environment

Temp: -204 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 30,002,686 km

• M1: 173,833 km (0.037 R)
• M2: 631,303 km (0.077 R)
• M3: 1,088,773 km (0.067 R)
• M4: 1,551,480 km (0.073 R)
• M5: 3,264,226 km (0.074 R)
• M6: 5,749,645 km (0.045 R)
• M7: 7,326,107 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 10.3

Radius: 10.9

Gravity: 0.09 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 2.25 AU - 3.45 AU

Year: 3208 Days

Day: 12.1 Hours

Environment

Temp: -213 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 30,002,686 km

• M1: 137,480 km (0.104 R)
• M2: 799,601 km (0.084 R)
• M3: 1,153,250 km (0.106 R)
• M4: 1,697,786 km (0.072 R)
• M5: 3,399,163 km (0.084 R)
• M6: 3,746,828 km (0.12 R)
• M7: 4,571,262 km (0.07 R)
• M8: 4,921,172 km (0.039 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 865.9

Radius: 12.2

Gravity: 5.82 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 4.63 AU - 6.17 AU

Year: 8368 Days

Day: 12.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 30,002,686 km

• M1: 151,692 km (0.108 R)
• M2: 626,965 km (0.097 R)
• M3: 1,085,033 km (0.119 R)
• M4: 1,654,852 km (0.112 R)
• M5: 2,648,929 km (0.11 R)
• M6: 3,477,851 km (0.086 R)
• M7: 4,085,967 km (0.094 R)
• M8: 6,236,586 km (0.083 R)
• M9: 7,294,841 km (0.047 R)
• M10: 8,917,828 km (0.119 R)
• M11: 10,209,307 km (0.084 R)
• M12: 11,084,005 km (0.105 R)
• M13: 11,731,166 km (0.03 R)
• M14: 14,071,924 km (0.059 R)
• M15: 15,155,311 km (0.044 R)
• M16: 18,217,281 km (0.075 R)
• M17: 26,857,007 km (0.06 R)
• M18: 29,737,214 km (0.09 R)
• M19: 35,754,639 km (0.062 R)
• M20: 40,230,308 km (0.052 R)
• M21: 42,276,508 km (0.108 R)
• M22: 43,989,403 km (0.084 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 162.5

Radius: 13.7

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 4.97 AU - 5.97 AU

Year: 8531 Days

Day: 8.4 Hours

Environment

Temp: -217 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 30,002,686 km

• M1: 171,738 km (0.093 R)
• M2: 1,317,209 km (0.05 R)
• M3: 2,635,765 km (0.079 R)
• M4: 3,445,837 km (0.09 R)
• M5: 4,074,148 km (0.116 R)
• M6: 5,238,469 km (0.082 R)
• M7: 6,928,775 km (0.081 R)
• M8: 7,420,054 km (0.086 R)
• M9: 10,360,550 km (0.06 R)
• M10: 11,997,001 km (0.096 R)
• M11: 15,444,335 km (0.06 R)
• M12: 17,038,898 km (0.116 R)
• M13: 18,553,128 km (0.097 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 162.4

Radius: 5.9

Gravity: 4.67 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 6.05 AU - 6.25 AU

Year: 10170 Days

Day: 18.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 30,002,686 km

• M1: 73,303 km (0.104 R)
• M2: 342,729 km (0.082 R)
• M3: 540,946 km (0.079 R)
• M4: 1,423,723 km (0.068 R)
• M5: 1,848,730 km (0.097 R)
• M6: 2,469,562 km (0.072 R)
• M7: 2,675,408 km (0.111 R)
• M8: 3,082,614 km (0.106 R)
• M9: 3,301,326 km (0.038 R)
• M10: 3,814,596 km (0.05 R)
• M11: 4,137,728 km (0.099 R)
• M12: 5,052,818 km (0.073 R)
• M13: 6,866,692 km (0.118 R)
• M14: 7,206,429 km (0.088 R)
• M15: 7,700,550 km (0.098 R)
• M16: 8,141,864 km (0.063 R)
• M17: 9,034,814 km (0.109 R)
• M18: 11,431,671 km (0.098 R)
• M19: 13,159,825 km (0.1 R)
• M20: 14,496,034 km (0.069 R)
• M21: 14,717,887 km (0.028 R)
• M22: 15,454,657 km (0.084 R)
• M23: 15,861,563 km (0.094 R)
• M24: 16,879,128 km (0.091 R)
• M25: 17,812,618 km (0.063 R)
• M26: 21,458,319 km (0.103 R)
• M27: 21,674,338 km (0.088 R)
• M28: 25,977,820 km (0.092 R)
• M29: 29,467,190 km (0.073 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 513 - 17,921 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit