🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 976.5

Radius: 9.8

Gravity: 10.17 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 0.7 AU - 0.74 AU

Year: 394 Days

Day: 11.7 Hours

Environment

Temp: -133 °C

Axial Tilt: 72.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 65,902,646 km

• M1: 121,922 km (0.065 R)
• M2: 427,401 km (0.069 R)
• M3: 842,984 km (0.057 R)
• M4: 1,293,274 km (0.086 R)
• M5: 1,647,222 km (0.104 R)
• M6: 2,032,137 km (0.063 R)
• M7: 2,362,300 km (0.108 R)
• M8: 2,697,399 km (0.084 R)
• M9: 3,143,949 km (0.091 R)
• M10: 3,452,270 km (0.108 R)
• M11: 4,501,400 km (0.036 R)
• M12: 4,910,401 km (0.077 R)
• M13: 5,494,131 km (0.117 R)
• M14: 5,873,212 km (0.064 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 75.2

Radius: 9

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 2.65 AU - 2.71 AU

Year: 2833 Days

Day: 13.3 Hours

Environment

Temp: -193 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 65,902,646 km

• M1: 111,899 km (0.038 R)
• M2: 873,951 km (0.109 R)
• M3: 1,335,460 km (0.057 R)
• M4: 1,776,176 km (0.032 R)
• M5: 2,333,577 km (0.116 R)
• M6: 3,003,327 km (0.119 R)
• M7: 4,110,351 km (0.101 R)
• M8: 4,597,741 km (0.109 R)
• M9: 4,882,874 km (0.067 R)
• M10: 5,548,136 km (0.038 R)
• M11: 6,424,780 km (0.094 R)
• M12: 7,439,203 km (0.049 R)
• M13: 8,293,407 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 740.1

Radius: 10.1

Gravity: 7.26 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 2.99 AU - 3.63 AU

Year: 3888 Days

Day: 11.6 Hours

Environment

Temp: -204 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 65,902,646 km

• M1: 127,158 km (0.097 R)
• M2: 735,573 km (0.025 R)
• M3: 2,127,431 km (0.107 R)
• M4: 2,486,017 km (0.085 R)
• M5: 2,973,557 km (0.116 R)
• M6: 3,288,311 km (0.058 R)
• M7: 3,605,009 km (0.086 R)
• M8: 4,141,168 km (0.036 R)
• M9: 5,005,844 km (0.108 R)
• M10: 5,674,098 km (0.037 R)
• M11: 7,690,827 km (0.119 R)
• M12: 11,038,976 km (0.116 R)
• M13: 12,885,014 km (0.099 R)
• M14: 13,277,559 km (0.099 R)
• M15: 13,932,498 km (0.069 R)
• M16: 17,775,219 km (0.067 R)
• M17: 18,323,495 km (0.082 R)
• M18: 18,820,459 km (0.12 R)
• M19: 19,262,521 km (0.109 R)
• M20: 19,971,166 km (0.085 R)
• M21: 23,558,822 km (0.087 R)
• M22: 24,146,592 km (0.08 R)
• M23: 24,970,428 km (0.082 R)
• M24: 26,046,036 km (0.117 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 896.4

Radius: 7.9

Gravity: 14.36 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 7.75 AU - 8.85 AU

Year: 15439 Days

Day: 15.3 Hours

Environment

Temp: -236 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 65,902,646 km

• M1: 98,884 km (0.118 R)
• M2: 379,380 km (0.119 R)
• M3: 863,479 km (0.084 R)
• M4: 1,244,355 km (0.049 R)
• M5: 1,751,641 km (0.099 R)
• M6: 2,798,827 km (0.083 R)
• M7: 3,388,541 km (0.073 R)
• M8: 3,669,636 km (0.104 R)
• M9: 3,996,806 km (0.12 R)
• M10: 4,883,323 km (0.081 R)
• M11: 6,137,552 km (0.068 R)
• M12: 7,736,603 km (0.081 R)
• M13: 8,027,871 km (0.09 R)
• M14: 10,046,095 km (0.091 R)
• M15: 11,482,235 km (0.047 R)
• M16: 12,314,897 km (0.036 R)
• M17: 15,129,581 km (0.11 R)
• M18: 15,894,923 km (0.075 R)
• M19: 22,186,262 km (0.087 R)
• M20: 26,094,057 km (0.084 R)
• M21: 30,317,355 km (0.054 R)
• M22: 33,033,005 km (0.114 R)
• M23: 34,843,139 km (0.047 R)
• M24: 36,175,907 km (0.111 R)
• M25: 37,404,255 km (0.105 R)
• M26: 38,098,539 km (0.045 R)
• M27: 40,232,851 km (0.063 R)
• M28: 41,108,448 km (0.113 R)
• M29: 42,746,694 km (0.119 R)
• M30: 46,951,591 km (0.088 R)
• M31: 47,922,032 km (0.067 R)
• M32: 50,406,554 km (0.12 R)
• M33: 54,914,386 km (0.038 R)
• M34: 61,204,977 km (0.088 R)
• M35: 62,947,194 km (0.066 R)
• M36: 68,371,612 km (0.076 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 467.9

Radius: 3.7

Gravity: 34.18 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 8.68 AU - 10.72 AU

Year: 19506 Days

Day: 18.4 Hours

Environment

Temp: -240 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 65,902,646 km

• M1: 242,648 km (0.111 R)
• M2: 557,252 km (0.096 R)
• M3: 1,038,359 km (0.108 R)
• M4: 1,491,640 km (0.049 R)
• M5: 2,499,780 km (0.031 R)
• M6: 2,893,821 km (0.117 R)
• M7: 4,618,236 km (0.094 R)
• M8: 5,318,653 km (0.049 R)
• M9: 6,796,530 km (0.113 R)
• M10: 7,841,472 km (0.069 R)
• M11: 8,377,331 km (0.097 R)
• M12: 9,041,396 km (0.054 R)
• M13: 11,798,335 km (0.038 R)
• M14: 13,709,598 km (0.111 R)
• M15: 14,342,247 km (0.066 R)
• M16: 16,988,185 km (0.08 R)
• M17: 20,120,465 km (0.078 R)
• M18: 23,418,200 km (0.068 R)
• M19: 29,069,709 km (0.071 R)
• M20: 32,763,130 km (0.117 R)
• M21: 33,891,248 km (0.112 R)
• M22: 34,018,107 km (0.08 R)
• M23: 34,400,778 km (0.116 R)
• M24: 36,490,212 km (0.074 R)
• M25: 43,114,406 km (0.084 R)
• M26: 43,412,853 km (0.072 R)
• M27: 44,013,788 km (0.108 R)
• M28: 44,164,882 km (0.115 R)
• M29: 57,046,455 km (0.056 R)
• M30: 58,129,843 km (0.117 R)
• M31: 59,965,858 km (0.098 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 173 - 14,351 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit