🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 997.6

Radius: 13.2

Gravity: 5.73 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.39 AU - 0.63 AU

Year: 251 Days

Day: 5.9 Hours

Environment

Temp: -130 °C

Axial Tilt: 46.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 47,898,017 km

• M1: 165,006 km (0.089 R)
• M2: 619,335 km (0.057 R)
• M3: 1,078,750 km (0.096 R)
• M4: 1,707,211 km (0.094 R)
• M5: 2,546,006 km (0.036 R)
• M6: 3,095,928 km (0.084 R)
• M7: 3,713,019 km (0.086 R)
• M8: 4,295,254 km (0.072 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 644.4

Radius: 13.7

Gravity: 3.43 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 0.5 AU - 0.52 AU

Year: 251 Days

Day: 5.4 Hours

Environment

Temp: -142 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 47,898,017 km

• M1: 170,841 km (0.08 R)
• M2: 670,498 km (0.03 R)
• M3: 1,187,059 km (0.115 R)
• M4: 1,653,655 km (0.109 R)
• M5: 2,161,689 km (0.067 R)
• M6: 2,634,269 km (0.1 R)
• M7: 3,671,730 km (0.07 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 631.6

Radius: 11.5

Gravity: 4.78 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.68 AU - 1.06 AU

Year: 560 Days

Day: 7.5 Hours

Environment

Temp: -163 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 47,898,017 km

• M1: 143,315 km (0.076 R)
• M2: 501,302 km (0.109 R)
• M3: 939,325 km (0.085 R)
• M4: 1,381,387 km (0.103 R)
• M5: 1,815,071 km (0.107 R)
• M6: 2,526,259 km (0.034 R)
• M7: 3,219,645 km (0.118 R)
• M8: 4,264,138 km (0.077 R)
• M9: 4,746,591 km (0.079 R)
• M10: 5,876,204 km (0.106 R)
• M11: 6,455,896 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 250.6

Radius: 10.3

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.97 AU - 2.37 AU

Year: 2206 Days

Day: 12 Hours

Environment

Temp: -211 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 47,898,017 km

• M1: 128,056 km (0.098 R)
• M2: 641,326 km (0.087 R)
• M3: 1,567,935 km (0.119 R)
• M4: 1,993,541 km (0.062 R)
• M5: 2,608,538 km (0.088 R)
• M6: 3,706,287 km (0.077 R)
• M7: 4,377,832 km (0.068 R)
• M8: 7,926,443 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 643.4

Radius: 8.2

Gravity: 9.57 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 2.13 AU - 2.53 AU

Year: 2455 Days

Day: 7.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 47.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 47,898,017 km

• M1: 103,073 km (0.102 R)
• M2: 381,175 km (0.111 R)
• M3: 853,605 km (0.113 R)
• M4: 1,196,035 km (0.113 R)
• M5: 1,557,164 km (0.062 R)
• M6: 2,268,502 km (0.069 R)
• M7: 2,631,127 km (0.09 R)
• M8: 2,984,029 km (0.073 R)
• M9: 3,247,770 km (0.114 R)
• M10: 3,728,727 km (0.103 R)
• M11: 4,094,943 km (0.109 R)
• M12: 4,788,329 km (0.096 R)
• M13: 5,151,552 km (0.119 R)
• M14: 5,435,938 km (0.115 R)
• M15: 5,781,060 km (0.091 R)
• M16: 6,961,836 km (0.085 R)
• M17: 7,339,720 km (0.118 R)
• M18: 7,947,536 km (0.074 R)
• M19: 9,685,415 km (0.114 R)
• M20: 10,156,648 km (0.119 R)
• M21: 11,501,533 km (0.113 R)
• M22: 12,489,926 km (0.118 R)
• M23: 13,311,667 km (0.12 R)
• M24: 14,169,013 km (0.063 R)
• M25: 15,695,360 km (0.09 R)
• M26: 17,540,051 km (0.059 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 163.4

Radius: 5.6

Gravity: 5.21 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 5.81 AU - 7.55 AU

Year: 11917 Days

Day: 15.2 Hours

Environment

Temp: -232 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 47,898,017 km

• M1: 69,862 km (0.108 R)
• M2: 309,368 km (0.101 R)
• M3: 1,704,518 km (0.088 R)
• M4: 3,803,675 km (0.08 R)
• M5: 4,677,477 km (0.045 R)
• M6: 6,180,187 km (0.102 R)
• M7: 7,023,022 km (0.096 R)
• M8: 7,308,305 km (0.106 R)
• M9: 8,647,954 km (0.085 R)
• M10: 11,119,311 km (0.101 R)
• M11: 12,054,746 km (0.098 R)
• M12: 14,881,398 km (0.067 R)
• M13: 17,335,102 km (0.094 R)
• M14: 17,594,355 km (0.08 R)
• M15: 20,765,232 km (0.056 R)
• M16: 21,131,298 km (0.077 R)
• M17: 23,026,553 km (0.064 R)
• M18: 26,460,722 km (0.056 R)
• M19: 30,034,615 km (0.048 R)
• M20: 31,262,065 km (0.093 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 275

Radius: 4.8

Gravity: 11.94 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 6.24 AU - 9.86 AU

Year: 15765 Days

Day: 21 Hours

Environment

Temp: -230 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 47,898,017 km

• M1: 60,138 km (0.098 R)
• M2: 266,883 km (0.095 R)
• M3: 442,361 km (0.096 R)
• M4: 626,665 km (0.095 R)
• M5: 1,190,649 km (0.07 R)
• M6: 1,457,382 km (0.115 R)
• M7: 2,522,370 km (0.116 R)
• M8: 4,565,877 km (0.084 R)
• M9: 4,777,109 km (0.106 R)
• M10: 6,670,419 km (0.069 R)
• M11: 9,059,647 km (0.099 R)
• M12: 9,393,549 km (0.11 R)
• M13: 9,636,945 km (0.119 R)
• M14: 10,653,313 km (0.111 R)
• M15: 12,718,213 km (0.113 R)
• M16: 13,502,853 km (0.044 R)
• M17: 15,503,276 km (0.086 R)
• M18: 18,139,340 km (0.117 R)
• M19: 18,977,238 km (0.056 R)
• M20: 19,681,694 km (0.114 R)
• M21: 20,729,777 km (0.111 R)
• M22: 22,070,024 km (0.036 R)
• M23: 22,500,567 km (0.096 R)
• M24: 23,735,497 km (0.114 R)
• M25: 25,388,853 km (0.084 R)
• M26: 26,824,095 km (0.113 R)
• M27: 27,413,062 km (0.109 R)
• M28: 28,010,556 km (0.091 R)
• M29: 28,312,444 km (0.076 R)
• M30: 29,334,796 km (0.117 R)
• M31: 30,487,597 km (0.082 R)
• M32: 30,700,325 km (0.093 R)
• M33: 31,779,076 km (0.12 R)
• M34: 33,557,346 km (0.077 R)
• M35: 34,817,708 km (0.106 R)
• M36: 41,075,087 km (0.101 R)
• M37: 41,334,640 km (0.049 R)
• M38: 42,383,919 km (0.091 R)
• M39: 46,056,397 km (0.093 R)
• M40: 47,326,184 km (0.092 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 274 - 13,510 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit