🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 392.7

Radius: 8

Gravity: 6.14 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.63 AU - 0.73 AU

Year: 394 Days

Day: 14.6 Hours

Environment

Temp: -150 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 71,983,114 km

• M1: 99,483 km (0.111 R)
• M2: 350,957 km (0.115 R)
• M3: 601,683 km (0.091 R)
• M4: 866,770 km (0.097 R)
• M5: 1,355,955 km (0.03 R)
• M6: 1,634,058 km (0.119 R)
• M7: 1,988,006 km (0.094 R)
• M8: 2,375,315 km (0.094 R)
• M9: 2,793,142 km (0.069 R)
• M10: 3,174,467 km (0.116 R)
• M11: 3,601,718 km (0.105 R)
• M12: 3,943,849 km (0.062 R)
• M13: 4,230,478 km (0.089 R)
• M14: 4,531,020 km (0.079 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 545.3

Radius: 9.7

Gravity: 5.8 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.62 AU - 0.8 AU

Year: 421 Days

Day: 12.6 Hours

Environment

Temp: -162 °C

Axial Tilt: 44.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 71,983,114 km

• M1: 125,812 km (0.087 R)
• M2: 490,531 km (0.112 R)
• M3: 793,018 km (0.108 R)
• M4: 1,182,870 km (0.113 R)
• M5: 1,757,326 km (0.105 R)
• M6: 2,300,815 km (0.117 R)
• M7: 2,759,333 km (0.111 R)
• M8: 3,426,090 km (0.116 R)
• M9: 4,078,038 km (0.062 R)
• M10: 4,566,475 km (0.117 R)
• M11: 4,928,352 km (0.049 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 277.8

Radius: 8.1

Gravity: 4.23 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.8 AU - 1.02 AU

Year: 610 Days

Day: 14.5 Hours

Environment

Temp: -174 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 71,983,114 km

• M1: 100,679 km (0.098 R)
• M2: 595,998 km (0.101 R)
• M3: 1,084,734 km (0.066 R)
• M4: 1,556,117 km (0.037 R)
• M5: 2,000,423 km (0.1 R)
• M6: 2,252,944 km (0.118 R)
• M7: 2,623,348 km (0.068 R)
• M8: 3,077,228 km (0.078 R)
• M9: 3,804,723 km (0.076 R)
• M10: 4,209,235 km (0.118 R)
• M11: 4,513,368 km (0.109 R)
• M12: 5,119,688 km (0.031 R)

Asteroid Belt

Center: 2.58 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 4.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 508.6

Radius: 13.5

Gravity: 2.79 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 4.11 AU - 4.39 AU

Year: 6159 Days

Day: 11.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 71,983,114 km

• M1: 167,849 km (0.103 R)
• M2: 673,938 km (0.087 R)
• M3: 1,407,118 km (0.102 R)
• M4: 1,842,447 km (0.118 R)
• M5: 2,274,785 km (0.11 R)
• M6: 3,034,593 km (0.084 R)
• M7: 3,733,065 km (0.081 R)
• M8: 4,486,440 km (0.087 R)
• M9: 4,953,335 km (0.07 R)
• M10: 6,817,325 km (0.102 R)
• M11: 7,437,109 km (0.083 R)
• M12: 7,870,942 km (0.065 R)
• M13: 8,360,127 km (0.047 R)
• M14: 11,258,736 km (0.115 R)
• M15: 12,678,120 km (0.101 R)
• M16: 13,940,577 km (0.091 R)
• M17: 14,546,448 km (0.049 R)
• M18: 18,231,193 km (0.092 R)
• M19: 19,632,028 km (0.059 R)
• M20: 25,630,603 km (0.092 R)
• M21: 26,624,681 km (0.044 R)
• M22: 28,250,959 km (0.107 R)
• M23: 30,215,778 km (0.11 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 128.4

Radius: 6.8

Gravity: 2.78 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 7.92 AU - 7.96 AU

Year: 15727 Days

Day: 17.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 71,983,114 km

• M1: 84,523 km (0.071 R)
• M2: 342,430 km (0.091 R)
• M3: 2,453,405 km (0.112 R)
• M4: 2,692,014 km (0.087 R)
• M5: 2,925,985 km (0.116 R)
• M6: 4,359,731 km (0.113 R)
• M7: 5,169,803 km (0.084 R)
• M8: 5,594,960 km (0.103 R)
• M9: 7,725,084 km (0.118 R)
• M10: 8,321,681 km (0.047 R)
• M11: 12,510,122 km (0.098 R)
• M12: 12,834,749 km (0.055 R)
• M13: 13,164,912 km (0.115 R)
• M14: 14,015,226 km (0.047 R)
• M15: 15,887,743 km (0.089 R)
• M16: 16,851,153 km (0.112 R)
• M17: 18,195,439 km (0.078 R)
• M18: 19,035,431 km (0.044 R)
• M19: 19,392,970 km (0.058 R)
• M20: 20,047,910 km (0.105 R)
• M21: 27,067,341 km (0.116 R)
• M22: 28,812,699 km (0.057 R)
• M23: 31,419,891 km (0.076 R)
• M24: 31,718,937 km (0.105 R)
• M25: 33,553,306 km (0.075 R)
• M26: 34,708,501 km (0.051 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 500.4

Radius: 6

Gravity: 13.9 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 7.62 AU - 11.96 AU

Year: 21532 Days

Day: 24.6 Hours

Environment

Temp: -244 °C

Axial Tilt: 44.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 71,983,114 km

• M1: 91,703 km (0.093 R)
• M2: 641,326 km (0.092 R)
• M3: 861,385 km (0.078 R)
• M4: 1,239,119 km (0.025 R)
• M5: 1,846,636 km (0.048 R)
• M6: 3,927,692 km (0.047 R)
• M7: 5,555,915 km (0.117 R)
• M8: 6,241,971 km (0.069 R)
• M9: 17,630,408 km (0.091 R)
• M10: 18,925,028 km (0.057 R)
• M11: 20,936,521 km (0.082 R)
• M12: 30,532,477 km (0.085 R)
• M13: 31,144,930 km (0.113 R)
• M14: 39,577,762 km (0.098 R)
• M15: 62,313,048 km (0.087 R)
• M16: 70,483,635 km (0.086 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 303 - 19,351 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit