🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 235.2

Radius: 11.9

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 0.59 AU - 0.63 AU

Year: 329 Days

Day: 8.8 Hours

Environment

Temp: -155 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 26,157,201 km

• M1: 147,952 km (0.027 R)
• M2: 585,376 km (0.101 R)
• M3: 1,016,368 km (0.081 R)
• M4: 1,676,843 km (0.061 R)
• M5: 2,311,736 km (0.072 R)
• M6: 2,904,143 km (0.075 R)
• M7: 3,415,619 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 875.7

Radius: 11

Gravity: 7.24 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.61 AU - 0.83 AU

Year: 422 Days

Day: 6.9 Hours

Environment

Temp: -152 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 26,157,201 km

• M1: 136,732 km (0.059 R)
• M2: 543,339 km (0.118 R)
• M3: 907,610 km (0.067 R)
• M4: 1,364,931 km (0.025 R)
• M5: 1,901,389 km (0.033 R)
• M6: 2,467,168 km (0.103 R)
• M7: 2,984,777 km (0.095 R)
• M8: 3,662,455 km (0.103 R)
• M9: 4,572,160 km (0.026 R)
• M10: 6,047,344 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 36.1

Radius: 12

Gravity: 0.25 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.9 AU - 1.46 AU

Year: 885 Days

Day: 6.9 Hours

Environment

Temp: -186 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 26,157,201 km

• M1: 151,393 km (0.112 R)
• M2: 619,036 km (0.094 R)
• M3: 1,058,255 km (0.077 R)
• M4: 1,609,075 km (0.106 R)
• M5: 2,658,354 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 237.2

Radius: 14.1

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 1.46 AU - 2.06 AU

Year: 1612 Days

Day: 5.1 Hours

Environment

Temp: -204 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 26,157,201 km

• M1: 175,329 km (0.081 R)
• M2: 639,980 km (0.111 R)
• M3: 1,192,145 km (0.105 R)
• M4: 1,691,802 km (0.103 R)
• M5: 2,543,313 km (0.084 R)
• M6: 3,710,177 km (0.115 R)
• M7: 4,559,743 km (0.079 R)
• M8: 5,208,250 km (0.068 R)
• M9: 5,979,726 km (0.06 R)
• M10: 6,735,943 km (0.116 R)
• M11: 7,801,080 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 750.4

Radius: 12.6

Gravity: 4.73 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.63 AU - 2.15 AU

Year: 1794 Days

Day: 5.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 44.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 26,157,201 km

• M1: 157,227 km (0.039 R)
• M2: 564,283 km (0.075 R)
• M3: 1,093,860 km (0.062 R)
• M4: 1,651,411 km (0.086 R)
• M5: 2,395,062 km (0.113 R)
• M6: 3,918,716 km (0.117 R)
• M7: 5,245,350 km (0.102 R)
• M8: 5,819,656 km (0.054 R)
• M9: 6,538,175 km (0.053 R)
• M10: 6,959,293 km (0.119 R)
• M11: 7,511,309 km (0.045 R)
• M12: 8,242,394 km (0.041 R)
• M13: 9,116,943 km (0.104 R)
• M14: 9,643,976 km (0.116 R)
• M15: 10,686,823 km (0.052 R)
• M16: 13,580,046 km (0.086 R)
• M17: 14,488,105 km (0.078 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 552.4

Radius: 9.1

Gravity: 6.67 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 2.33 AU - 2.73 AU

Year: 2778 Days

Day: 13 Hours

Environment

Temp: -215 °C

Axial Tilt: 46.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 26,157,201 km

• M1: 113,395 km (0.104 R)
• M2: 622,926 km (0.06 R)
• M3: 1,358,199 km (0.064 R)
• M4: 3,411,280 km (0.071 R)
• M5: 4,110,351 km (0.12 R)
• M6: 4,811,816 km (0.044 R)
• M7: 5,394,649 km (0.096 R)
• M8: 6,506,311 km (0.095 R)
• M9: 7,338,075 km (0.082 R)
• M10: 11,263,972 km (0.091 R)
• M11: 12,248,475 km (0.071 R)
• M12: 13,513,475 km (0.11 R)
• M13: 14,200,877 km (0.109 R)
• M14: 15,104,897 km (0.051 R)
• M15: 15,447,476 km (0.071 R)
• M16: 15,895,522 km (0.114 R)
• M17: 16,301,082 km (0.115 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 699.8

Radius: 9.5

Gravity: 7.75 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 2.56 AU - 3.88 AU

Year: 3988 Days

Day: 11.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 26,157,201 km

• M1: 118,182 km (0.1 R)
• M2: 496,366 km (0.094 R)
• M3: 963,410 km (0.109 R)
• M4: 1,847,982 km (0.078 R)
• M5: 2,232,000 km (0.115 R)
• M6: 3,125,698 km (0.104 R)
• M7: 3,951,029 km (0.078 R)
• M8: 5,094,256 km (0.115 R)
• M9: 5,493,234 km (0.091 R)
• M10: 6,475,344 km (0.048 R)
• M11: 6,816,876 km (0.077 R)
• M12: 7,203,287 km (0.11 R)
• M13: 11,369,139 km (0.034 R)
• M14: 14,162,430 km (0.094 R)
• M15: 14,739,429 km (0.071 R)
• M16: 16,622,717 km (0.086 R)
• M17: 17,205,850 km (0.112 R)
• M18: 17,923,620 km (0.092 R)
• M19: 18,413,104 km (0.025 R)
• M20: 20,995,313 km (0.117 R)
• M21: 21,470,885 km (0.118 R)
• M22: 24,030,654 km (0.116 R)
• M23: 25,383,767 km (0.112 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: 381 - 18,862 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit