🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 914.5

Radius: 9.6

Gravity: 9.92 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.7 AU - 1.02 AU

Year: 551 Days

Day: 8.2 Hours

Environment

Temp: -173 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 34,725,830 km

• M1: 119,529 km (0.095 R)
• M2: 535,261 km (0.119 R)
• M3: 1,059,153 km (0.097 R)
• M4: 1,383,930 km (0.097 R)
• M5: 1,687,165 km (0.105 R)
• M6: 2,081,056 km (0.107 R)
• M7: 2,411,218 km (0.117 R)
• M8: 3,393,777 km (0.062 R)
• M9: 4,356,440 km (0.081 R)
• M10: 4,753,024 km (0.07 R)
• M11: 5,260,460 km (0.092 R)
• M12: 5,710,749 km (0.098 R)
• M13: 6,917,854 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 825.6

Radius: 10.4

Gravity: 7.63 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 1.29 AU - 1.31 AU

Year: 1023 Days

Day: 11.3 Hours

Environment

Temp: -181 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 34,725,830 km

• M1: 129,402 km (0.096 R)
• M2: 461,061 km (0.094 R)
• M3: 883,974 km (0.063 R)
• M4: 1,627,026 km (0.104 R)
• M5: 2,014,784 km (0.113 R)
• M6: 2,371,575 km (0.078 R)
• M7: 2,770,702 km (0.061 R)
• M8: 3,628,048 km (0.106 R)
• M9: 4,010,569 km (0.11 R)
• M10: 4,913,841 km (0.092 R)
• M11: 6,255,136 km (0.087 R)
• M12: 9,796,117 km (0.11 R)
• M13: 10,701,783 km (0.07 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 800.5

Radius: 11.6

Gravity: 5.95 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 1.5 AU - 2.48 AU

Year: 1938 Days

Day: 14.4 Hours

Environment

Temp: -193 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 34,725,830 km

• M1: 144,212 km (0.117 R)
• M2: 596,896 km (0.079 R)
• M3: 1,056,759 km (0.102 R)
• M4: 1,611,468 km (0.08 R)
• M5: 2,092,276 km (0.113 R)
• M6: 3,009,760 km (0.116 R)
• M7: 3,551,902 km (0.116 R)
• M8: 4,436,175 km (0.111 R)
• M9: 4,811,666 km (0.077 R)
• M10: 5,603,039 km (0.109 R)
• M11: 6,827,198 km (0.096 R)
• M12: 8,160,115 km (0.1 R)
• M13: 9,185,010 km (0.06 R)
• M14: 9,902,930 km (0.064 R)
• M15: 10,401,989 km (0.074 R)
• M16: 11,258,437 km (0.117 R)
• M17: 12,000,891 km (0.118 R)
• M18: 12,775,658 km (0.084 R)
• M19: 13,583,487 km (0.094 R)
• M20: 14,835,770 km (0.114 R)
• M21: 16,656,227 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 858.4

Radius: 14.8

Gravity: 3.92 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 1.77 AU - 2.87 AU

Year: 2439 Days

Day: 8.6 Hours

Environment

Temp: -204 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 34,725,830 km

• M1: 184,005 km (0.041 R)
• M2: 779,555 km (0.102 R)
• M3: 2,042,310 km (0.076 R)
• M4: 3,043,718 km (0.093 R)
• M5: 3,657,219 km (0.052 R)
• M6: 4,833,956 km (0.112 R)
• M7: 7,645,349 km (0.056 R)
• M8: 8,317,342 km (0.097 R)
• M9: 9,133,548 km (0.078 R)
• M10: 13,257,064 km (0.119 R)
• M11: 14,952,008 km (0.043 R)
• M12: 15,750,113 km (0.116 R)
• M13: 17,161,269 km (0.061 R)

Asteroid Belt

Center: 2.72 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 3.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 939.4

Radius: 12.2

Gravity: 6.31 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 3.07 AU - 3.15 AU

Year: 3786 Days

Day: 9.5 Hours

Environment

Temp: -216 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 34,725,830 km

• M1: 151,692 km (0.092 R)
• M2: 564,283 km (0.097 R)
• M3: 993,479 km (0.112 R)
• M4: 1,510,639 km (0.088 R)
• M5: 2,627,238 km (0.116 R)
• M6: 3,178,805 km (0.078 R)
• M7: 3,616,379 km (0.084 R)
• M8: 4,443,805 km (0.084 R)
• M9: 4,967,397 km (0.059 R)
• M10: 5,757,872 km (0.114 R)
• M11: 6,505,114 km (0.03 R)
• M12: 7,349,743 km (0.104 R)
• M13: 8,488,034 km (0.03 R)
• M14: 10,240,722 km (0.08 R)
• M15: 10,670,517 km (0.112 R)
• M16: 11,067,699 km (0.113 R)
• M17: 12,560,686 km (0.119 R)
• M18: 13,610,863 km (0.098 R)
• M19: 16,462,797 km (0.077 R)
• M20: 17,536,610 km (0.073 R)
• M21: 18,975,892 km (0.109 R)
• M22: 20,089,348 km (0.084 R)
• M23: 22,880,546 km (0.051 R)
• M24: 27,620,255 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 31.1

Radius: 12.5

Gravity: 0.2 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 5.12 AU - 5.54 AU

Year: 8494 Days

Day: 11.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 34,725,830 km

• M1: 156,479 km (0.111 R)
• M2: 561,291 km (0.09 R)
• M3: 3,117,470 km (0.089 R)
• M4: 4,382,470 km (0.09 R)
• M5: 5,916,745 km (0.077 R)
• M6: 6,819,569 km (0.116 R)
• M7: 7,725,832 km (0.11 R)
• M8: 8,223,245 km (0.098 R)
• M9: 11,823,169 km (0.066 R)
• M10: 13,336,351 km (0.086 R)
• M11: 15,155,012 km (0.06 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 299.9

Radius: 3.7

Gravity: 21.91 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 4.59 AU - 6.75 AU

Year: 9319 Days

Day: 22.9 Hours

Environment

Temp: -234 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 34,725,830 km

• M1: 49,367 km (0.042 R)
• M2: 201,808 km (0.106 R)
• M3: 410,197 km (0.056 R)
• M4: 594,352 km (0.095 R)
• M5: 728,691 km (0.067 R)
• M6: 874,400 km (0.075 R)
• M7: 1,349,822 km (0.067 R)
• M8: 1,650,663 km (0.081 R)
• M9: 2,436,201 km (0.062 R)
• M10: 2,803,314 km (0.108 R)
• M11: 2,920,300 km (0.049 R)
• M12: 3,312,695 km (0.075 R)
• M13: 4,619,283 km (0.12 R)
• M14: 5,267,640 km (0.066 R)
• M15: 6,071,280 km (0.08 R)
• M16: 8,925,757 km (0.094 R)
• M17: 9,880,939 km (0.086 R)
• M18: 11,738,496 km (0.072 R)
• M19: 12,563,528 km (0.073 R)
• M20: 14,618,106 km (0.027 R)
• M21: 15,450,618 km (0.105 R)
• M22: 17,669,304 km (0.091 R)
• M23: 23,679,398 km (0.109 R)
• M24: 23,921,896 km (0.09 R)
• M25: 25,075,595 km (0.119 R)
• M26: 25,922,169 km (0.066 R)
• M27: 28,942,550 km (0.089 R)
• M28: 31,113,664 km (0.088 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 308 - 18,903 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit