🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 159.8

Radius: 10.6

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 0.63 AU - 0.77 AU

Year: 372 Days

Day: 11.8 Hours

Environment

Temp: -137 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 67,364,821 km

• M1: 131,796 km (0.095 R)
• M2: 463,903 km (0.07 R)
• M3: 880,982 km (0.11 R)
• M4: 1,345,483 km (0.103 R)
• M5: 2,119,951 km (0.036 R)
• M6: 2,473,002 km (0.094 R)
• M7: 2,970,266 km (0.038 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 210.9

Radius: 10.1

Gravity: 2.07 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 0.62 AU - 1.04 AU

Year: 481 Days

Day: 12.3 Hours

Environment

Temp: -156 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 67,364,821 km

• M1: 125,662 km (0.11 R)
• M2: 467,493 km (0.077 R)
• M3: 824,284 km (0.096 R)
• M4: 1,325,288 km (0.086 R)
• M5: 1,676,095 km (0.091 R)
• M6: 2,142,690 km (0.095 R)
• M7: 2,492,151 km (0.095 R)
• M8: 2,956,353 km (0.108 R)
• M9: 3,642,259 km (0.054 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 532.8

Radius: 12.5

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.84 AU - 1.04 AU

Year: 579 Days

Day: 12.9 Hours

Environment

Temp: -148 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 67,364,821 km

• M1: 155,582 km (0.064 R)
• M2: 609,462 km (0.075 R)
• M3: 1,066,932 km (0.053 R)
• M4: 1,868,926 km (0.045 R)
• M5: 2,356,765 km (0.111 R)
• M6: 2,777,883 km (0.111 R)
• M7: 3,261,533 km (0.1 R)
• M8: 3,761,638 km (0.076 R)
• M9: 5,028,583 km (0.058 R)
• M10: 5,612,164 km (0.062 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 947.4

Radius: 11.8

Gravity: 6.8 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 1.39 AU - 2.27 AU

Year: 1574 Days

Day: 11 Hours

Environment

Temp: -177 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 67,364,821 km

• M1: 159,920 km (0.112 R)
• M2: 534,663 km (0.095 R)
• M3: 1,407,417 km (0.071 R)
• M4: 2,097,661 km (0.1 R)
• M5: 2,575,178 km (0.076 R)
• M6: 2,943,039 km (0.113 R)
• M7: 3,330,198 km (0.041 R)
• M8: 3,734,112 km (0.111 R)
• M9: 4,682,114 km (0.041 R)
• M10: 5,060,447 km (0.101 R)
• M11: 6,270,245 km (0.051 R)
• M12: 7,105,450 km (0.105 R)
• M13: 9,418,682 km (0.089 R)
• M14: 9,956,037 km (0.111 R)
• M15: 10,513,738 km (0.115 R)
• M16: 12,471,675 km (0.116 R)
• M17: 12,956,073 km (0.083 R)
• M18: 13,621,335 km (0.044 R)
• M19: 14,661,788 km (0.078 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 964.4

Radius: 10.5

Gravity: 8.75 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 1.58 AU - 2.22 AU

Year: 1665 Days

Day: 6.6 Hours

Environment

Temp: -193 °C

Axial Tilt: 46.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 67,364,821 km

• M1: 130,599 km (0.094 R)
• M2: 566,078 km (0.059 R)
• M3: 954,285 km (0.12 R)
• M4: 1,342,790 km (0.075 R)
• M5: 1,710,801 km (0.09 R)
• M6: 2,195,648 km (0.049 R)
• M7: 2,531,944 km (0.064 R)
• M8: 2,917,906 km (0.098 R)
• M9: 3,809,809 km (0.113 R)
• M10: 4,580,687 km (0.06 R)
• M11: 5,782,556 km (0.085 R)
• M12: 6,693,308 km (0.068 R)
• M13: 7,408,685 km (0.084 R)
• M14: 8,451,083 km (0.027 R)
• M15: 9,024,043 km (0.061 R)
• M16: 10,283,058 km (0.118 R)
• M17: 10,752,048 km (0.058 R)
• M18: 11,425,089 km (0.084 R)
• M19: 13,699,575 km (0.076 R)
• M20: 14,047,390 km (0.097 R)
• M21: 14,535,378 km (0.114 R)
• M22: 15,311,791 km (0.072 R)
• M23: 15,686,683 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 804.5

Radius: 12.1

Gravity: 5.49 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 2.08 AU - 2.78 AU

Year: 2408 Days

Day: 6.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 67,364,821 km

• M1: 150,495 km (0.115 R)
• M2: 740,509 km (0.088 R)
• M3: 1,158,636 km (0.03 R)
• M4: 2,041,413 km (0.077 R)
• M5: 2,819,471 km (0.092 R)
• M6: 3,329,899 km (0.047 R)
• M7: 3,901,662 km (0.098 R)
• M8: 5,584,489 km (0.097 R)
• M9: 6,671,915 km (0.09 R)
• M10: 7,522,828 km (0.112 R)
• M11: 7,990,621 km (0.066 R)
• M12: 9,985,209 km (0.088 R)
• M13: 11,258,137 km (0.088 R)
• M14: 12,207,336 km (0.051 R)
• M15: 12,810,814 km (0.103 R)
• M16: 13,298,802 km (0.118 R)
• M17: 14,312,178 km (0.049 R)
• M18: 14,886,335 km (0.062 R)
• M19: 17,176,977 km (0.091 R)
• M20: 17,990,191 km (0.081 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 18.9

Radius: 14

Gravity: 0.1 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 2.7 AU - 3.38 AU

Year: 3370 Days

Day: 6.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 67,364,821 km

• M1: 174,282 km (0.106 R)
• M2: 615,146 km (0.112 R)
• M3: 1,163,871 km (0.106 R)
• M4: 1,636,900 km (0.095 R)
• M5: 3,036,837 km (0.099 R)
• M6: 4,404,610 km (0.09 R)
• M7: 6,932,515 km (0.096 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 149.6

Radius: 14.7

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 3.96 AU - 5.04 AU

Year: 6069 Days

Day: 10.5 Hours

Environment

Temp: -208 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 67,364,821 km

• M1: 184,155 km (0.118 R)
• M2: 946,955 km (0.104 R)
• M3: 1,680,732 km (0.11 R)
• M4: 2,537,180 km (0.052 R)
• M5: 3,576,586 km (0.114 R)
• M6: 4,590,859 km (0.077 R)
• M7: 5,335,707 km (0.107 R)
• M8: 6,268,899 km (0.028 R)
• M9: 8,293,407 km (0.073 R)
• M10: 9,044,687 km (0.108 R)
• M11: 9,509,787 km (0.115 R)
• M12: 10,881,899 km (0.096 R)
• M13: 12,469,731 km (0.108 R)
• M14: 13,641,979 km (0.063 R)
• M15: 15,084,701 km (0.082 R)
• M16: 19,017,629 km (0.087 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 414.7

Radius: 9.5

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 4.08 AU - 6.16 AU

Year: 7366 Days

Day: 14.1 Hours

Environment

Temp: -214 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 67,364,821 km

• M1: 119,828 km (0.117 R)
• M2: 579,393 km (0.059 R)
• M3: 880,982 km (0.11 R)
• M4: 1,592,469 km (0.065 R)
• M5: 2,013,438 km (0.115 R)
• M6: 2,372,772 km (0.114 R)
• M7: 2,925,386 km (0.081 R)
• M8: 3,367,897 km (0.073 R)
• M9: 4,489,582 km (0.071 R)
• M10: 7,934,222 km (0.116 R)
• M11: 8,757,011 km (0.046 R)
• M12: 9,085,079 km (0.081 R)
• M13: 10,118,800 km (0.107 R)
• M14: 10,618,008 km (0.055 R)
• M15: 11,038,528 km (0.073 R)
• M16: 11,913,077 km (0.093 R)
• M17: 12,418,418 km (0.099 R)
• M18: 14,987,911 km (0.056 R)
• M19: 18,757,778 km (0.085 R)
• M20: 22,119,691 km (0.118 R)
• M21: 22,652,558 km (0.094 R)
• M22: 25,529,475 km (0.103 R)
• M23: 28,462,192 km (0.112 R)
• M24: 29,274,508 km (0.104 R)
• M25: 30,195,133 km (0.062 R)
• M26: 31,040,062 km (0.083 R)
• M27: 31,708,166 km (0.045 R)
• M28: 32,385,695 km (0.117 R)

Asteroid Belt

Center: 6.94 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 10 - Ice Giant

Semi-Major Axis: 8.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 702.1

Radius: 4.8

Gravity: 30.47 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 8.51 AU - 9 AU

Year: 16457 Days

Day: 18.7 Hours

Environment

Temp: -231 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 67,364,821 km

• M1: 59,839 km (0.102 R)
• M2: 240,404 km (0.057 R)
• M3: 485,894 km (0.08 R)
• M4: 990,188 km (0.06 R)
• M5: 1,202,168 km (0.067 R)
• M6: 1,414,149 km (0.108 R)
• M7: 1,585,139 km (0.08 R)
• M8: 1,913,506 km (0.087 R)
• M9: 2,203,726 km (0.119 R)
• M10: 4,113,941 km (0.089 R)
• M11: 5,753,983 km (0.114 R)
• M12: 10,716,743 km (0.064 R)
• M13: 12,393,436 km (0.037 R)
• M14: 19,497,689 km (0.081 R)
• M15: 20,575,691 km (0.113 R)
• M16: 21,882,877 km (0.088 R)
• M17: 24,148,986 km (0.107 R)
• M18: 24,353,037 km (0.109 R)
• M19: 26,350,319 km (0.032 R)
• M20: 29,838,941 km (0.083 R)
• M21: 30,786,643 km (0.087 R)
• M22: 31,147,324 km (0.087 R)
• M23: 31,876,763 km (0.083 R)
• M24: 34,519,858 km (0.053 R)
• M25: 37,715,269 km (0.054 R)
• M26: 44,380,303 km (0.118 R)
• M27: 45,614,186 km (0.071 R)
• M28: 53,848,502 km (0.094 R)
• M29: 55,783,999 km (0.097 R)
• M30: 57,220,438 km (0.11 R)
• M31: 62,059,031 km (0.101 R)
• M32: 63,019,749 km (0.119 R)
• M33: 63,990,340 km (0.102 R)
• M34: 64,381,239 km (0.102 R)
• M35: 66,560,431 km (0.077 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 254 - 14,992 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit