🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.61 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 604.1

Radius: 10.2

Gravity: 5.81 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.2 AU - 1.22 AU

Year: 859 Days

Day: 15 Hours

Environment

Temp: -159 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 59,687,425 km

• M1: 126,859 km (0.113 R)
• M2: 452,683 km (0.075 R)
• M3: 775,964 km (0.078 R)
• M4: 1,171,501 km (0.073 R)
• M5: 1,603,091 km (0.107 R)
• M6: 1,995,187 km (0.08 R)
• M7: 2,595,373 km (0.044 R)
• M8: 2,975,801 km (0.097 R)
• M9: 3,379,715 km (0.089 R)
• M10: 3,805,321 km (0.118 R)
• M11: 4,330,858 km (0.112 R)
• M12: 4,904,117 km (0.061 R)
• M13: 5,527,193 km (0.12 R)
• M14: 5,878,149 km (0.104 R)
• M15: 6,798,924 km (0.09 R)
• M16: 7,813,048 km (0.051 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 609

Radius: 10.9

Gravity: 5.13 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 1.26 AU - 1.66 AU

Year: 1139 Days

Day: 14.9 Hours

Environment

Temp: -179 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 59,687,425 km

• M1: 135,685 km (0.107 R)
• M2: 601,982 km (0.096 R)
• M3: 1,015,919 km (0.08 R)
• M4: 1,363,285 km (0.074 R)
• M5: 1,924,577 km (0.099 R)
• M6: 2,647,583 km (0.118 R)
• M7: 4,227,935 km (0.082 R)
• M8: 4,683,610 km (0.092 R)
• M9: 5,882,487 km (0.106 R)
• M10: 6,384,239 km (0.044 R)
• M11: 6,796,530 km (0.069 R)
• M12: 8,463,350 km (0.102 R)
• M13: 8,877,437 km (0.087 R)
• M14: 9,567,981 km (0.064 R)
• M15: 10,139,893 km (0.091 R)
• M16: 10,607,237 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 102.1

Radius: 11

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 1.66 AU - 1.66 AU

Year: 1381 Days

Day: 14.1 Hours

Environment

Temp: -174 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 59,687,425 km

• M1: 139,425 km (0.079 R)
• M2: 602,131 km (0.114 R)
• M3: 1,237,623 km (0.089 R)
• M4: 1,691,952 km (0.12 R)
• M5: 2,932,417 km (0.069 R)
• M6: 3,831,949 km (0.078 R)
• M7: 5,250,137 km (0.096 R)
• M8: 6,494,941 km (0.078 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 883.7

Radius: 10.3

Gravity: 8.33 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 1.7 AU - 1.72 AU

Year: 1444 Days

Day: 8 Hours

Environment

Temp: -175 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 59,687,425 km

• M1: 128,056 km (0.115 R)
• M2: 552,166 km (0.085 R)
• M3: 878,588 km (0.119 R)
• M4: 1,416,393 km (0.104 R)
• M5: 2,106,338 km (0.114 R)
• M6: 4,906,062 km (0.094 R)
• M7: 5,529,436 km (0.061 R)
• M8: 6,400,545 km (0.083 R)
• M9: 9,794,173 km (0.107 R)
• M10: 12,563,528 km (0.089 R)
• M11: 14,148,368 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 21.6

Radius: 10.2

Gravity: 0.21 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 1.52 AU - 2.34 AU

Year: 1731 Days

Day: 11 Hours

Environment

Temp: -179 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 59,687,425 km

• M1: 129,103 km (0.071 R)
• M2: 569,519 km (0.029 R)
• M3: 1,914,703 km (0.085 R)
• M4: 2,340,907 km (0.106 R)
• M5: 3,058,379 km (0.074 R)
• M6: 3,644,653 km (0.111 R)
• M7: 4,189,040 km (0.069 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 330.3

Radius: 9.4

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 4.43 AU - 5.03 AU

Year: 6642 Days

Day: 6.2 Hours

Environment

Temp: -214 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 59,687,425 km

• M1: 116,836 km (0.112 R)
• M2: 578,345 km (0.118 R)
• M3: 1,502,561 km (0.096 R)
• M4: 2,273,738 km (0.104 R)
• M5: 2,801,220 km (0.071 R)
• M6: 3,190,324 km (0.116 R)
• M7: 4,884,071 km (0.084 R)
• M8: 5,338,998 km (0.118 R)
• M9: 5,969,553 km (0.075 R)
• M10: 7,587,155 km (0.113 R)
• M11: 8,235,363 km (0.083 R)
• M12: 9,437,830 km (0.069 R)
• M13: 10,753,394 km (0.106 R)
• M14: 11,111,831 km (0.116 R)
• M15: 14,327,736 km (0.112 R)
• M16: 22,744,112 km (0.069 R)
• M17: 26,692,449 km (0.079 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 871.5

Radius: 5.3

Gravity: 31.03 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 6.42 AU - 7 AU

Year: 11223 Days

Day: 20.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 59,687,425 km

• M1: 68,965 km (0.039 R)
• M2: 240,254 km (0.096 R)
• M3: 1,144,274 km (0.094 R)
• M4: 2,061,010 km (0.083 R)
• M5: 2,366,489 km (0.089 R)
• M6: 2,996,745 km (0.066 R)
• M7: 4,306,324 km (0.073 R)
• M8: 5,002,852 km (0.106 R)
• M9: 5,771,935 km (0.092 R)
• M10: 6,261,868 km (0.097 R)
• M11: 6,943,735 km (0.081 R)
• M12: 7,497,696 km (0.092 R)
• M13: 8,549,219 km (0.084 R)
• M14: 9,085,378 km (0.084 R)
• M15: 9,957,533 km (0.043 R)
• M16: 10,940,541 km (0.07 R)
• M17: 11,748,669 km (0.025 R)
• M18: 12,533,908 km (0.114 R)
• M19: 12,971,033 km (0.101 R)
• M20: 14,752,444 km (0.099 R)
• M21: 16,026,869 km (0.108 R)
• M22: 17,372,950 km (0.118 R)
• M23: 17,681,870 km (0.08 R)
• M24: 18,231,642 km (0.118 R)
• M25: 19,200,288 km (0.079 R)
• M26: 19,780,878 km (0.112 R)
• M27: 24,951,878 km (0.085 R)
• M28: 26,652,656 km (0.071 R)
• M29: 28,004,273 km (0.119 R)
• M30: 29,729,734 km (0.04 R)
• M31: 34,109,212 km (0.112 R)
• M32: 34,837,754 km (0.103 R)
• M33: 36,200,441 km (0.119 R)
• M34: 36,451,915 km (0.052 R)
• M35: 37,598,283 km (0.104 R)
• M36: 38,637,091 km (0.091 R)
• M37: 39,031,580 km (0.098 R)
• M38: 42,284,586 km (0.09 R)
• M39: 44,120,002 km (0.107 R)
• M40: 48,556,776 km (0.101 R)
• M41: 52,957,646 km (0.102 R)

Planet 8 - Ice Giant

Semi-Major Axis: 11.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 234.5

Radius: 4.6

Gravity: 11.08 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 10.96 AU - 11.16 AU

Year: 23749 Days

Day: 22.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 59,687,425 km

• M1: 59,390 km (0.107 R)
• M2: 235,317 km (0.116 R)
• M3: 422,614 km (0.109 R)
• M4: 754,721 km (0.105 R)
• M5: 1,179,579 km (0.093 R)
• M6: 1,833,621 km (0.098 R)
• M7: 2,680,195 km (0.115 R)
• M8: 4,319,190 km (0.071 R)
• M9: 4,999,411 km (0.117 R)
• M10: 5,748,597 km (0.069 R)
• M11: 6,776,185 km (0.091 R)
• M12: 7,967,283 km (0.101 R)
• M13: 9,239,763 km (0.081 R)
• M14: 13,459,470 km (0.05 R)
• M15: 14,475,988 km (0.075 R)
• M16: 14,755,586 km (0.064 R)
• M17: 15,325,404 km (0.029 R)
• M18: 20,422,802 km (0.103 R)
• M19: 20,774,507 km (0.117 R)
• M20: 23,637,810 km (0.083 R)
• M21: 24,122,956 km (0.087 R)
• M22: 25,720,212 km (0.071 R)
• M23: 25,924,713 km (0.118 R)
• M24: 32,575,834 km (0.109 R)
• M25: 36,548,555 km (0.056 R)
• M26: 36,936,761 km (0.112 R)
• M27: 55,326,080 km (0.077 R)
• M28: 58,974,772 km (0.057 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 391 - 18,547 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit