🌌 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: 765

Radius: 11.8

Gravity: 5.49 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.51 AU - 0.79 AU

Year: 349 Days

Day: 6.1 Hours

Environment

Temp: -144 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 52,505,064 km

• M1: 146,756 km (0.098 R)
• M2: 587,022 km (0.112 R)
• M3: 960,718 km (0.104 R)
• M4: 1,378,694 km (0.08 R)
• M5: 1,837,361 km (0.105 R)
• M6: 2,258,329 km (0.053 R)
• M7: 2,628,135 km (0.11 R)
• M8: 3,070,347 km (0.101 R)
• M9: 3,457,506 km (0.064 R)
• M10: 4,054,701 km (0.097 R)
• M11: 4,777,258 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 479.1

Radius: 11.4

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 0.72 AU - 0.84 AU

Year: 459 Days

Day: 8.2 Hours

Environment

Temp: -173 °C

Axial Tilt: 45.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 52,505,064 km

• M1: 141,819 km (0.116 R)
• M2: 518,955 km (0.049 R)
• M3: 1,100,592 km (0.094 R)
• M4: 1,820,606 km (0.05 R)
• M5: 2,192,656 km (0.086 R)
• M6: 3,499,393 km (0.106 R)
• M7: 3,863,963 km (0.083 R)
• M8: 4,613,598 km (0.104 R)
• M9: 5,346,628 km (0.081 R)

Asteroid Belt

Center: 1.53 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 857.7

Radius: 12.4

Gravity: 5.58 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 2.01 AU - 2.55 AU

Year: 2296 Days

Day: 13 Hours

Environment

Temp: -199 °C

Axial Tilt: 49.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 52,505,064 km

• M1: 154,235 km (0.093 R)
• M2: 594,352 km (0.097 R)
• M3: 1,104,032 km (0.079 R)
• M4: 1,547,590 km (0.093 R)
• M5: 2,036,925 km (0.094 R)
• M6: 2,484,821 km (0.092 R)
• M7: 2,871,830 km (0.068 R)
• M8: 3,474,859 km (0.102 R)
• M9: 3,884,159 km (0.101 R)
• M10: 4,890,803 km (0.067 R)
• M11: 5,504,902 km (0.087 R)
• M12: 5,907,919 km (0.097 R)
• M13: 6,330,683 km (0.063 R)
• M14: 8,004,384 km (0.118 R)
• M15: 9,628,418 km (0.091 R)
• M16: 10,983,625 km (0.082 R)
• M17: 12,164,700 km (0.074 R)
• M18: 13,976,779 km (0.114 R)
• M19: 14,492,144 km (0.079 R)
• M20: 15,412,171 km (0.058 R)
• M21: 17,746,496 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 736.3

Radius: 14.9

Gravity: 3.32 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 2.91 AU - 4.07 AU

Year: 4348 Days

Day: 12.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 52,505,064 km

• M1: 186,848 km (0.093 R)
• M2: 786,735 km (0.099 R)
• M3: 1,524,253 km (0.056 R)
• M4: 2,364,843 km (0.047 R)
• M5: 3,185,537 km (0.039 R)
• M6: 4,400,421 km (0.11 R)
• M7: 4,970,988 km (0.073 R)
• M8: 5,619,046 km (0.065 R)
• M9: 6,633,618 km (0.11 R)
• M10: 7,387,143 km (0.087 R)
• M11: 8,233,568 km (0.079 R)
• M12: 9,828,580 km (0.048 R)
• M13: 11,075,478 km (0.084 R)
• M14: 11,575,285 km (0.088 R)
• M15: 12,767,430 km (0.087 R)
• M16: 18,303,599 km (0.068 R)
• M17: 18,939,240 km (0.115 R)
• M18: 20,593,044 km (0.066 R)
• M19: 23,214,897 km (0.076 R)
• M20: 24,035,591 km (0.1 R)
• M21: 26,613,910 km (0.1 R)
• M22: 27,844,951 km (0.08 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 849.7

Radius: 14.1

Gravity: 4.27 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 2.82 AU - 4.62 AU

Year: 4785 Days

Day: 9.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 52,505,064 km

• M1: 175,777 km (0.105 R)
• M2: 624,870 km (0.107 R)
• M3: 1,090,718 km (0.088 R)
• M4: 1,541,756 km (0.093 R)
• M5: 2,546,605 km (0.046 R)
• M6: 3,049,403 km (0.094 R)
• M7: 4,306,923 km (0.11 R)
• M8: 5,081,391 km (0.11 R)
• M9: 5,766,400 km (0.108 R)
• M10: 6,708,567 km (0.094 R)
• M11: 7,570,251 km (0.107 R)
• M12: 10,070,181 km (0.036 R)
• M13: 11,869,245 km (0.086 R)
• M14: 19,757,540 km (0.103 R)
• M15: 21,453,382 km (0.118 R)
• M16: 24,333,889 km (0.106 R)
• M17: 25,375,988 km (0.1 R)
• M18: 26,531,332 km (0.104 R)
• M19: 27,207,066 km (0.068 R)
• M20: 28,155,067 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 92.1

Radius: 12.1

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 2.84 AU - 4.68 AU

Year: 4862 Days

Day: 6.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 52,505,064 km

• M1: 153,338 km (0.055 R)
• M2: 736,171 km (0.064 R)
• M3: 1,566,439 km (0.105 R)
• M4: 2,052,184 km (0.119 R)
• M5: 2,452,507 km (0.057 R)
• M6: 2,993,453 km (0.105 R)
• M7: 3,715,862 km (0.117 R)
• M8: 7,013,447 km (0.079 R)
• M9: 7,450,124 km (0.069 R)
• M10: 9,779,063 km (0.118 R)
• M11: 11,780,084 km (0.118 R)
• M12: 13,161,621 km (0.084 R)
• M13: 15,093,228 km (0.115 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 126.3

Radius: 12.8

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 3.86 AU - 4.52 AU

Year: 5719 Days

Day: 8.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 52,505,064 km

• M1: 159,172 km (0.119 R)
• M2: 1,103,284 km (0.071 R)
• M3: 2,233,347 km (0.079 R)
• M4: 2,871,681 km (0.115 R)
• M5: 4,045,874 km (0.105 R)
• M6: 7,291,400 km (0.108 R)
• M7: 14,767,703 km (0.088 R)
• M8: 16,700,957 km (0.119 R)
• M9: 17,170,096 km (0.08 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 479.9

Radius: 4.8

Gravity: 20.83 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 6.53 AU - 8.48 AU

Year: 13697 Days

Day: 21.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 52,505,064 km

• M1: 60,587 km (0.119 R)
• M2: 266,583 km (0.098 R)
• M3: 545,434 km (0.119 R)
• M4: 803,041 km (0.07 R)
• M5: 1,827,039 km (0.074 R)
• M6: 2,049,042 km (0.076 R)
• M7: 2,892,325 km (0.113 R)
• M8: 3,123,155 km (0.07 R)
• M9: 4,838,743 km (0.116 R)
• M10: 5,715,985 km (0.093 R)
• M11: 7,391,481 km (0.079 R)
• M12: 8,410,093 km (0.073 R)
• M13: 8,643,316 km (0.084 R)
• M14: 8,880,878 km (0.041 R)
• M15: 9,369,015 km (0.099 R)
• M16: 11,387,839 km (0.087 R)
• M17: 14,067,286 km (0.096 R)
• M18: 17,665,713 km (0.099 R)
• M19: 21,311,862 km (0.104 R)
• M20: 24,002,679 km (0.076 R)
• M21: 27,418,298 km (0.092 R)
• M22: 30,482,960 km (0.101 R)
• M23: 34,953,692 km (0.03 R)
• M24: 37,911,242 km (0.111 R)
• M25: 38,292,417 km (0.101 R)
• M26: 42,244,494 km (0.102 R)
• M27: 46,315,202 km (0.115 R)
• M28: 49,875,631 km (0.079 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 375 - 16,777 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit