🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.72 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 3.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 532

Radius: 9.6

Gravity: 5.77 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 2.98 AU - 3.9 AU

Year: 4327 Days

Day: 12.3 Hours

Environment

Temp: -208 °C

Axial Tilt: 68.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 63,056,651 km

• M1: 119,678 km (0.112 R)
• M2: 488,287 km (0.041 R)
• M3: 824,284 km (0.058 R)
• M4: 1,379,891 km (0.059 R)
• M5: 1,713,045 km (0.11 R)
• M6: 2,390,275 km (0.077 R)
• M7: 2,946,330 km (0.088 R)
• M8: 3,667,392 km (0.064 R)
• M9: 5,245,799 km (0.033 R)
• M10: 5,841,946 km (0.109 R)
• M11: 6,757,934 km (0.101 R)
• M12: 7,563,968 km (0.118 R)
• M13: 8,432,832 km (0.108 R)
• M14: 9,719,523 km (0.061 R)
• M15: 11,888,094 km (0.119 R)
• M16: 12,868,259 km (0.09 R)
• M17: 13,255,568 km (0.115 R)
• M18: 13,650,656 km (0.032 R)
• M19: 17,985,105 km (0.062 R)
• M20: 20,824,323 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 5.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 18.6

Radius: 8

Gravity: 0.29 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 4.78 AU - 6.14 AU

Year: 8653 Days

Day: 6.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 63,056,651 km

• M1: 102,175 km (0.101 R)
• M2: 1,674,150 km (0.097 R)
• M3: 2,752,451 km (0.041 R)
• M4: 5,843,891 km (0.075 R)
• M5: 7,310,399 km (0.112 R)
• M6: 8,707,942 km (0.117 R)
• M7: 10,508,951 km (0.045 R)

Planet 3 - Ice Giant

Semi-Major Axis: 7.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 419.7

Radius: 7.1

Gravity: 8.33 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 6.1 AU - 8.52 AU

Year: 13405 Days

Day: 20.7 Hours

Environment

Temp: -232 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 63,056,651 km

• M1: 88,412 km (0.119 R)
• M2: 401,072 km (0.043 R)
• M3: 869,612 km (0.05 R)
• M4: 1,172,847 km (0.058 R)
• M5: 1,490,144 km (0.1 R)
• M6: 2,672,865 km (0.111 R)
• M7: 3,064,363 km (0.11 R)
• M8: 3,989,177 km (0.072 R)
• M9: 4,354,644 km (0.095 R)
• M10: 5,283,647 km (0.12 R)
• M11: 6,153,559 km (0.12 R)
• M12: 6,797,578 km (0.078 R)
• M13: 7,824,866 km (0.119 R)
• M14: 9,778,016 km (0.078 R)
• M15: 10,030,388 km (0.097 R)
• M16: 10,548,146 km (0.099 R)
• M17: 11,636,919 km (0.113 R)
• M18: 11,920,407 km (0.092 R)
• M19: 12,266,577 km (0.094 R)
• M20: 12,679,168 km (0.06 R)
• M21: 15,215,749 km (0.097 R)
• M22: 19,705,929 km (0.082 R)
• M23: 20,600,076 km (0.102 R)
• M24: 25,384,515 km (0.068 R)
• M25: 28,236,448 km (0.096 R)
• M26: 29,059,237 km (0.097 R)
• M27: 43,663,729 km (0.069 R)
• M28: 47,017,863 km (0.074 R)
• M29: 48,610,930 km (0.119 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 814.7

Radius: 5.6

Gravity: 25.98 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 8.16 AU - 8.38 AU

Year: 16131 Days

Day: 20.5 Hours

Environment

Temp: -235 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 63,056,651 km

• M1: 69,713 km (0.088 R)
• M2: 249,080 km (0.072 R)
• M3: 476,619 km (0.112 R)
• M4: 697,575 km (0.085 R)
• M5: 952,340 km (0.053 R)
• M6: 1,806,993 km (0.099 R)
• M7: 2,399,400 km (0.12 R)
• M8: 4,914,290 km (0.069 R)
• M9: 5,239,516 km (0.095 R)
• M10: 5,893,109 km (0.067 R)
• M11: 8,431,037 km (0.084 R)
• M12: 9,938,086 km (0.117 R)
• M13: 10,282,909 km (0.09 R)
• M14: 13,755,225 km (0.048 R)
• M15: 15,522,275 km (0.11 R)
• M16: 15,986,627 km (0.041 R)
• M17: 17,435,183 km (0.1 R)
• M18: 19,233,200 km (0.051 R)
• M19: 21,057,097 km (0.093 R)
• M20: 21,435,281 km (0.032 R)
• M21: 25,790,972 km (0.061 R)
• M22: 28,117,817 km (0.086 R)
• M23: 31,065,943 km (0.07 R)
• M24: 32,930,231 km (0.097 R)
• M25: 35,530,093 km (0.065 R)
• M26: 39,825,347 km (0.098 R)
• M27: 45,546,717 km (0.119 R)
• M28: 46,020,494 km (0.058 R)
• M29: 46,817,252 km (0.099 R)
• M30: 49,929,187 km (0.103 R)
• M31: 51,792,428 km (0.095 R)
• M32: 55,118,887 km (0.11 R)
• M33: 55,297,806 km (0.11 R)
• M34: 61,422,193 km (0.101 R)
• M35: 65,947,977 km (0.09 R)
• M36: 67,983,256 km (0.075 R)
• M37: 68,808,887 km (0.102 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 438.2

Radius: 3.7

Gravity: 32.01 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 7.79 AU - 10.57 AU

Year: 18865 Days

Day: 19.6 Hours

Environment

Temp: -243 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 63,056,651 km

• M1: 46,076 km (0.067 R)
• M2: 267,331 km (0.072 R)
• M3: 407,355 km (0.072 R)
• M4: 782,995 km (0.105 R)
• M5: 1,764,357 km (0.066 R)
• M6: 3,395,423 km (0.106 R)
• M7: 5,749,645 km (0.108 R)
• M8: 6,300,015 km (0.028 R)
• M9: 12,987,040 km (0.112 R)
• M10: 15,503,426 km (0.111 R)
• M11: 21,473,877 km (0.053 R)
• M12: 21,937,780 km (0.12 R)
• M13: 25,995,772 km (0.119 R)
• M14: 28,812,400 km (0.042 R)
• M15: 33,781,144 km (0.08 R)
• M16: 35,685,375 km (0.086 R)
• M17: 36,466,725 km (0.078 R)
• M18: 37,928,745 km (0.112 R)
• M19: 40,827,353 km (0.094 R)
• M20: 44,917,209 km (0.084 R)
• M21: 47,685,668 km (0.081 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 189 - 19,233 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit