🌌 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: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 964.8

Radius: 10.7

Gravity: 8.43 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.58 AU - 0.72 AU

Year: 368 Days

Day: 6 Hours

Environment

Temp: -148 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 68,069,895 km

• M1: 133,142 km (0.038 R)
• M2: 477,965 km (0.113 R)
• M3: 918,232 km (0.068 R)
• M4: 1,267,692 km (0.066 R)
• M5: 1,804,898 km (0.118 R)
• M6: 2,285,556 km (0.065 R)
• M7: 2,685,880 km (0.1 R)
• M8: 3,033,097 km (0.067 R)
• M9: 3,386,597 km (0.059 R)
• M10: 5,278,112 km (0.094 R)
• M11: 5,844,340 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 815.4

Radius: 10.9

Gravity: 6.86 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.76 AU - 1.16 AU

Year: 661 Days

Day: 13.1 Hours

Environment

Temp: -183 °C

Axial Tilt: 109 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 68,069,895 km

• M1: 135,536 km (0.111 R)
• M2: 495,019 km (0.089 R)
• M3: 865,274 km (0.044 R)
• M4: 1,436,439 km (0.06 R)
• M5: 1,900,491 km (0.091 R)
• M6: 2,358,710 km (0.073 R)
• M7: 2,998,540 km (0.085 R)
• M8: 3,473,363 km (0.093 R)
• M9: 3,968,383 km (0.1 R)
• M10: 4,591,308 km (0.098 R)
• M11: 5,590,472 km (0.055 R)
• M12: 6,272,489 km (0.117 R)
• M13: 6,922,043 km (0.08 R)
• M14: 7,731,966 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 388

Radius: 13

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 0.96 AU - 1.14 AU

Year: 756 Days

Day: 6.6 Hours

Environment

Temp: -178 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 68,069,895 km

• M1: 161,715 km (0.106 R)
• M2: 592,108 km (0.058 R)
• M3: 1,028,037 km (0.113 R)
• M4: 1,599,650 km (0.104 R)
• M5: 2,145,233 km (0.087 R)
• M6: 3,488,922 km (0.119 R)
• M7: 4,011,168 km (0.092 R)
• M8: 4,773,070 km (0.077 R)
• M9: 5,541,105 km (0.113 R)
• M10: 6,546,253 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 247.9

Radius: 8.2

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.2 AU - 1.38 AU

Year: 1030 Days

Day: 8.1 Hours

Environment

Temp: -180 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 68,069,895 km

• M1: 103,821 km (0.1 R)
• M2: 413,937 km (0.082 R)
• M3: 698,772 km (0.104 R)
• M4: 972,985 km (0.117 R)
• M5: 1,307,037 km (0.105 R)
• M6: 1,599,351 km (0.115 R)
• M7: 2,481,529 km (0.083 R)
• M8: 2,740,483 km (0.098 R)
• M9: 3,126,296 km (0.115 R)
• M10: 3,468,576 km (0.118 R)
• M11: 3,849,901 km (0.107 R)
• M12: 4,745,394 km (0.089 R)
• M13: 5,250,885 km (0.036 R)
• M14: 5,553,073 km (0.115 R)
• M15: 6,549,993 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 702.4

Radius: 12.3

Gravity: 4.64 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 1.55 AU - 2.45 AU

Year: 1988 Days

Day: 9.4 Hours

Environment

Temp: -195 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 68,069,895 km

• M1: 153,039 km (0.061 R)
• M2: 567,425 km (0.046 R)
• M3: 959,222 km (0.032 R)
• M4: 1,835,715 km (0.087 R)
• M5: 2,473,152 km (0.087 R)
• M6: 3,126,446 km (0.099 R)
• M7: 3,892,088 km (0.111 R)
• M8: 4,842,633 km (0.048 R)
• M9: 5,629,069 km (0.049 R)
• M10: 6,603,549 km (0.085 R)
• M11: 7,398,811 km (0.093 R)
• M12: 8,043,728 km (0.031 R)
• M13: 9,615,553 km (0.078 R)
• M14: 10,206,165 km (0.107 R)
• M15: 11,383,351 km (0.089 R)
• M16: 12,364,563 km (0.073 R)
• M17: 12,896,533 km (0.048 R)
• M18: 14,494,986 km (0.057 R)
• M19: 15,040,720 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 225.4

Radius: 11.5

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 4.04 AU - 5.16 AU

Year: 6935 Days

Day: 13.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 68,069,895 km

• M1: 143,165 km (0.086 R)
• M2: 1,732,044 km (0.081 R)
• M3: 2,603,901 km (0.115 R)
• M4: 4,793,415 km (0.081 R)
• M5: 5,465,409 km (0.105 R)
• M6: 5,824,443 km (0.084 R)
• M7: 10,933,809 km (0.107 R)
• M8: 14,152,407 km (0.091 R)
• M9: 14,779,671 km (0.101 R)
• M10: 16,202,197 km (0.07 R)
• M11: 17,121,775 km (0.055 R)
• M12: 25,618,785 km (0.061 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 404.3

Radius: 9.1

Gravity: 4.88 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 4.36 AU - 5.96 AU

Year: 8239 Days

Day: 9 Hours

Environment

Temp: -233 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 68,069,895 km

• M1: 113,246 km (0.102 R)
• M2: 612,304 km (0.051 R)
• M3: 1,193,342 km (0.112 R)
• M4: 1,854,266 km (0.119 R)
• M5: 2,154,808 km (0.032 R)
• M6: 2,453,106 km (0.081 R)
• M7: 4,785,636 km (0.102 R)
• M8: 5,152,151 km (0.116 R)
• M9: 6,567,945 km (0.07 R)
• M10: 6,879,557 km (0.085 R)
• M11: 7,164,990 km (0.108 R)
• M12: 7,607,949 km (0.111 R)
• M13: 8,346,514 km (0.109 R)
• M14: 9,346,875 km (0.113 R)
• M15: 11,734,756 km (0.095 R)
• M16: 12,880,526 km (0.102 R)
• M17: 15,212,159 km (0.1 R)
• M18: 21,065,026 km (0.046 R)
• M19: 22,989,602 km (0.052 R)
• M20: 23,388,131 km (0.067 R)
• M21: 27,185,075 km (0.1 R)
• M22: 28,354,182 km (0.088 R)
• M23: 33,672,985 km (0.113 R)
• M24: 34,915,694 km (0.086 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 19.2

Radius: 3.3

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 5.58 AU - 5.58 AU

Year: 9265 Days

Day: 19.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 68,069,895 km

• M1: 40,990 km (0.091 R)
• M2: 161,715 km (0.085 R)
• M3: 267,182 km (0.094 R)
• M4: 950,844 km (0.038 R)
• M5: 1,224,309 km (0.115 R)
• M6: 2,026,154 km (0.083 R)
• M7: 5,084,233 km (0.074 R)
• M8: 5,792,130 km (0.113 R)
• M9: 7,373,380 km (0.104 R)
• M10: 7,958,607 km (0.074 R)
• M11: 8,102,370 km (0.12 R)
• M12: 8,395,133 km (0.063 R)
• M13: 9,965,612 km (0.095 R)
• M14: 12,672,286 km (0.052 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 379.7

Radius: 4.8

Gravity: 16.48 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 9.41 AU - 10.89 AU

Year: 22730 Days

Day: 23.9 Hours

Environment

Temp: -245 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 68,069,895 km

• M1: 73,004 km (0.087 R)
• M2: 227,090 km (0.072 R)
• M3: 595,699 km (0.118 R)
• M4: 908,957 km (0.107 R)
• M5: 1,325,288 km (0.043 R)
• M6: 1,505,104 km (0.098 R)
• M7: 1,877,603 km (0.113 R)
• M8: 2,330,286 km (0.107 R)
• M9: 2,950,668 km (0.109 R)
• M10: 3,504,629 km (0.08 R)
• M11: 5,467,054 km (0.1 R)
• M12: 10,127,626 km (0.112 R)
• M13: 22,596,459 km (0.108 R)
• M14: 25,338,738 km (0.06 R)
• M15: 29,679,470 km (0.094 R)
• M16: 32,458,400 km (0.096 R)
• M17: 46,564,880 km (0.083 R)
• M18: 53,364,552 km (0.12 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 267 - 17,076 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit