🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 107.1

Radius: 12.8

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.58 AU - 0.76 AU

Year: 379 Days

Day: 14 Hours

Environment

Temp: -147 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 88,600,525 km

• M1: 167,550 km (0.094 R)
• M2: 571,165 km (0.056 R)
• M3: 1,107,174 km (0.114 R)
• M4: 1,693,298 km (0.1 R)
• M5: 2,624,545 km (0.047 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 133.7

Radius: 14.6

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.98 AU - 1.4 AU

Year: 896 Days

Day: 10.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 88,600,525 km

• M1: 182,061 km (0.1 R)
• M2: 807,529 km (0.084 R)
• M3: 1,416,093 km (0.079 R)
• M4: 1,890,169 km (0.101 R)
• M5: 2,444,728 km (0.113 R)
• M6: 3,172,971 km (0.078 R)
• M7: 4,055,897 km (0.112 R)
• M8: 4,814,059 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 28.9

Radius: 9.2

Gravity: 0.34 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 1.25 AU - 1.31 AU

Year: 1000 Days

Day: 6.2 Hours

Environment

Temp: -179 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 88,600,525 km

• M1: 114,442 km (0.105 R)
• M2: 419,024 km (0.06 R)
• M3: 722,259 km (0.1 R)
• M4: 1,208,601 km (0.098 R)
• M5: 1,810,583 km (0.027 R)
• M6: 2,421,690 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 947

Radius: 15

Gravity: 4.21 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 2.45 AU - 2.57 AU

Year: 2745 Days

Day: 7.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 88,600,525 km

• M1: 186,549 km (0.066 R)
• M2: 715,227 km (0.099 R)
• M3: 1,238,820 km (0.077 R)
• M4: 2,144,186 km (0.106 R)
• M5: 3,084,259 km (0.116 R)
• M6: 3,907,796 km (0.059 R)
• M7: 4,394,437 km (0.092 R)
• M8: 4,993,577 km (0.075 R)
• M9: 5,886,377 km (0.102 R)
• M10: 7,281,527 km (0.115 R)
• M11: 9,397,738 km (0.044 R)
• M12: 10,239,226 km (0.1 R)
• M13: 10,923,487 km (0.072 R)
• M14: 13,873,856 km (0.108 R)
• M15: 19,423,488 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 290.4

Radius: 11.5

Gravity: 2.2 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 4.09 AU - 4.23 AU

Year: 5857 Days

Day: 8.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 88,600,525 km

• M1: 143,016 km (0.07 R)
• M2: 711,039 km (0.111 R)
• M3: 1,807,890 km (0.042 R)
• M4: 2,897,561 km (0.055 R)
• M5: 3,667,093 km (0.051 R)
• M6: 5,369,367 km (0.026 R)
• M7: 6,682,387 km (0.104 R)
• M8: 9,113,353 km (0.107 R)
• M9: 9,575,909 km (0.092 R)
• M10: 15,104,299 km (0.059 R)
• M11: 16,084,464 km (0.088 R)
• M12: 17,456,725 km (0.119 R)
• M13: 19,595,675 km (0.047 R)
• M14: 22,455,987 km (0.089 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 859.6

Radius: 3.5

Gravity: 70.17 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 5.81 AU - 7.59 AU

Year: 11971 Days

Day: 15.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 106.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 88,600,525 km

• M1: 43,533 km (0.056 R)
• M2: 186,848 km (0.1 R)
• M3: 309,967 km (0.104 R)
• M4: 455,825 km (0.075 R)
• M5: 672,143 km (0.092 R)
• M6: 1,434,943 km (0.078 R)
• M7: 2,136,706 km (0.105 R)
• M8: 3,633,134 km (0.082 R)
• M9: 3,799,188 km (0.091 R)
• M10: 3,941,455 km (0.037 R)
• M11: 4,706,798 km (0.083 R)
• M12: 9,472,238 km (0.113 R)
• M13: 12,374,586 km (0.117 R)
• M14: 14,127,425 km (0.086 R)
• M15: 14,469,256 km (0.118 R)
• M16: 16,261,588 km (0.066 R)
• M17: 18,276,970 km (0.111 R)
• M18: 20,366,105 km (0.05 R)
• M19: 21,244,394 km (0.075 R)
• M20: 22,516,125 km (0.114 R)
• M21: 22,795,125 km (0.096 R)
• M22: 33,467,886 km (0.08 R)
• M23: 35,435,996 km (0.11 R)
• M24: 42,646,015 km (0.062 R)
• M25: 44,809,349 km (0.093 R)
• M26: 45,398,316 km (0.059 R)
• M27: 45,992,519 km (0.088 R)
• M28: 47,653,205 km (0.088 R)
• M29: 47,806,094 km (0.053 R)
• M30: 49,353,385 km (0.077 R)
• M31: 49,666,792 km (0.083 R)
• M32: 49,824,020 km (0.031 R)
• M33: 50,774,116 km (0.112 R)
• M34: 50,933,737 km (0.051 R)
• M35: 53,366,946 km (0.119 R)
• M36: 55,199,670 km (0.108 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 883.9

Radius: 5.9

Gravity: 25.39 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 8.61 AU - 11.57 AU

Year: 22123 Days

Day: 22.5 Hours

Environment

Temp: -241 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 88,600,525 km

• M1: 73,453 km (0.096 R)
• M2: 354,547 km (0.096 R)
• M3: 547,827 km (0.04 R)
• M4: 1,150,557 km (0.119 R)
• M5: 1,375,253 km (0.109 R)
• M6: 1,611,468 km (0.084 R)
• M7: 2,016,729 km (0.119 R)
• M8: 2,487,663 km (0.093 R)
• M9: 3,677,116 km (0.086 R)
• M10: 4,449,340 km (0.044 R)
• M11: 5,910,761 km (0.103 R)
• M12: 6,821,364 km (0.081 R)
• M13: 7,360,365 km (0.114 R)
• M14: 7,980,149 km (0.103 R)
• M15: 8,746,539 km (0.116 R)
• M16: 10,361,448 km (0.062 R)
• M17: 14,090,773 km (0.12 R)
• M18: 14,802,111 km (0.084 R)
• M19: 15,371,630 km (0.097 R)
• M20: 15,871,287 km (0.102 R)
• M21: 16,210,425 km (0.106 R)
• M22: 17,346,023 km (0.117 R)
• M23: 18,070,675 km (0.1 R)
• M24: 19,004,614 km (0.106 R)
• M25: 19,677,206 km (0.119 R)
• M26: 20,766,129 km (0.093 R)
• M27: 28,032,098 km (0.096 R)
• M28: 28,527,716 km (0.094 R)
• M29: 29,920,621 km (0.1 R)
• M30: 36,092,281 km (0.056 R)
• M31: 36,531,650 km (0.114 R)
• M32: 36,974,460 km (0.098 R)
• M33: 39,706,716 km (0.087 R)
• M34: 41,441,153 km (0.105 R)
• M35: 51,612,313 km (0.052 R)
• M36: 54,632,245 km (0.074 R)
• M37: 62,903,960 km (0.09 R)
• M38: 79,626,758 km (0.07 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 464 - 15,728 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit