🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.39

Radius: 1.14

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.43 AU - 0.67 AU

Year: 263 Days

Day: 40.6 Hours

Environment

Temp: -118 °C

Axial Tilt: 39.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 54,242,733 km

• M1: 42,486 km (0.04 R)
• M2: 498,311 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 701.8

Radius: 10.8

Gravity: 6.02 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 0.78 AU - 0.86 AU

Year: 479 Days

Day: 6.4 Hours

Environment

Temp: -149 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 54,242,733 km

• M1: 134,339 km (0.101 R)
• M2: 487,839 km (0.114 R)
• M3: 837,748 km (0.096 R)
• M4: 1,230,592 km (0.108 R)
• M5: 2,080,009 km (0.093 R)
• M6: 4,022,687 km (0.028 R)
• M7: 4,685,405 km (0.111 R)
• M8: 5,075,257 km (0.05 R)
• M9: 5,453,142 km (0.08 R)
• M10: 5,992,143 km (0.053 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 724.9

Radius: 13.2

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 1.82 AU - 2.28 AU

Year: 1895 Days

Day: 12.3 Hours

Environment

Temp: -189 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 54,242,733 km

• M1: 166,054 km (0.098 R)
• M2: 590,612 km (0.096 R)
• M3: 1,060,350 km (0.062 R)
• M4: 1,873,713 km (0.09 R)
• M5: 2,459,239 km (0.11 R)
• M6: 3,984,390 km (0.073 R)
• M7: 4,919,077 km (0.12 R)
• M8: 5,753,833 km (0.095 R)
• M9: 7,111,584 km (0.094 R)
• M10: 8,863,375 km (0.105 R)
• M11: 10,417,098 km (0.114 R)
• M12: 13,754,776 km (0.105 R)
• M13: 14,365,734 km (0.107 R)
• M14: 15,316,279 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 775.3

Radius: 8.3

Gravity: 11.25 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 2.77 AU - 3.69 AU

Year: 3748 Days

Day: 9.5 Hours

Environment

Temp: -209 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 54,242,733 km

• M1: 103,223 km (0.068 R)
• M2: 382,372 km (0.118 R)
• M3: 695,630 km (0.047 R)
• M4: 1,007,542 km (0.077 R)
• M5: 1,489,097 km (0.118 R)
• M6: 2,336,719 km (0.114 R)
• M7: 2,653,717 km (0.04 R)
• M8: 3,072,291 km (0.09 R)
• M9: 3,719,153 km (0.091 R)
• M10: 6,509,303 km (0.098 R)
• M11: 8,093,245 km (0.088 R)
• M12: 8,786,033 km (0.067 R)
• M13: 10,415,153 km (0.051 R)
• M14: 10,884,591 km (0.065 R)
• M15: 11,234,650 km (0.046 R)
• M16: 11,547,160 km (0.103 R)
• M17: 11,819,578 km (0.099 R)
• M18: 12,236,358 km (0.101 R)
• M19: 13,445,557 km (0.117 R)
• M20: 13,798,010 km (0.09 R)
• M21: 14,573,974 km (0.065 R)
• M22: 15,875,625 km (0.076 R)
• M23: 17,789,580 km (0.112 R)
• M24: 19,274,638 km (0.048 R)
• M25: 22,844,044 km (0.111 R)
• M26: 23,346,244 km (0.116 R)
• M27: 24,446,985 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 676.9

Radius: 8

Gravity: 10.58 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 3.17 AU - 3.95 AU

Year: 4337 Days

Day: 8.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 54,242,733 km

• M1: 99,782 km (0.11 R)
• M2: 359,184 km (0.04 R)
• M3: 654,042 km (0.062 R)
• M4: 959,521 km (0.081 R)
• M5: 1,766,452 km (0.037 R)
• M6: 2,266,557 km (0.107 R)
• M7: 3,445,538 km (0.06 R)
• M8: 3,779,141 km (0.069 R)
• M9: 5,067,777 km (0.113 R)
• M10: 5,668,862 km (0.107 R)
• M11: 6,470,407 km (0.117 R)
• M12: 6,947,176 km (0.09 R)
• M13: 8,669,496 km (0.114 R)
• M14: 11,369,438 km (0.112 R)
• M15: 11,782,927 km (0.094 R)
• M16: 12,397,774 km (0.089 R)
• M17: 13,033,714 km (0.076 R)
• M18: 14,745,713 km (0.106 R)
• M19: 15,853,485 km (0.117 R)
• M20: 18,171,504 km (0.072 R)
• M21: 20,368,797 km (0.097 R)
• M22: 23,394,115 km (0.104 R)
• M23: 23,689,870 km (0.116 R)
• M24: 24,440,253 km (0.091 R)
• M25: 25,517,358 km (0.036 R)
• M26: 27,110,575 km (0.101 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 709.3

Radius: 6.4

Gravity: 17.32 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 5.95 AU - 7.95 AU

Year: 11830 Days

Day: 15.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 54,242,733 km

• M1: 79,736 km (0.034 R)
• M2: 285,283 km (0.089 R)
• M3: 730,038 km (0.096 R)
• M4: 1,218,325 km (0.095 R)
• M5: 1,512,883 km (0.11 R)
• M6: 1,854,415 km (0.098 R)
• M7: 2,935,858 km (0.077 R)
• M8: 3,546,068 km (0.085 R)
• M9: 3,758,198 km (0.071 R)
• M10: 4,355,991 km (0.107 R)
• M11: 4,599,686 km (0.1 R)
• M12: 5,775,076 km (0.098 R)
• M13: 7,264,323 km (0.109 R)
• M14: 8,944,307 km (0.049 R)
• M15: 9,693,792 km (0.082 R)
• M16: 10,592,876 km (0.065 R)
• M17: 12,434,126 km (0.113 R)
• M18: 13,113,450 km (0.096 R)
• M19: 13,882,533 km (0.084 R)
• M20: 14,278,070 km (0.113 R)
• M21: 14,954,102 km (0.103 R)
• M22: 16,152,082 km (0.083 R)
• M23: 21,410,746 km (0.115 R)
• M24: 25,000,048 km (0.061 R)
• M25: 26,380,537 km (0.1 R)
• M26: 28,124,250 km (0.107 R)
• M27: 28,651,433 km (0.116 R)
• M28: 29,508,479 km (0.117 R)
• M29: 29,725,396 km (0.063 R)
• M30: 30,382,580 km (0.075 R)
• M31: 31,049,337 km (0.046 R)
• M32: 32,297,133 km (0.047 R)
• M33: 35,500,772 km (0.09 R)
• M34: 38,650,405 km (0.068 R)
• M35: 41,708,036 km (0.111 R)
• M36: 43,365,580 km (0.106 R)
• M37: 51,684,269 km (0.071 R)
• M38: 53,756,798 km (0.045 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: 392 - 14,465 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit