🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 989.3

Radius: 14

Gravity: 5.05 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 0.84 AU - 0.96 AU

Year: 560 Days

Day: 6.3 Hours

Environment

Temp: -155 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 77,418,804 km

• M1: 174,132 km (0.055 R)
• M2: 637,885 km (0.119 R)
• M3: 1,098,048 km (0.095 R)
• M4: 1,551,031 km (0.069 R)
• M5: 2,226,764 km (0.112 R)
• M6: 2,700,391 km (0.108 R)
• M7: 3,394,675 km (0.119 R)
• M8: 4,545,980 km (0.081 R)
• M9: 5,810,531 km (0.103 R)
• M10: 6,353,721 km (0.054 R)
• M11: 7,320,123 km (0.116 R)
• M12: 7,769,814 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 204.7

Radius: 8.1

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 1.05 AU - 1.07 AU

Year: 716 Days

Day: 11.4 Hours

Environment

Temp: -169 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 77,418,804 km

• M1: 100,679 km (0.1 R)
• M2: 366,664 km (0.068 R)
• M3: 742,903 km (0.046 R)
• M4: 1,164,619 km (0.081 R)
• M5: 1,437,785 km (0.095 R)
• M6: 2,116,959 km (0.117 R)
• M7: 2,665,086 km (0.093 R)
• M8: 2,930,473 km (0.084 R)
• M9: 3,213,661 km (0.08 R)
• M10: 3,685,194 km (0.092 R)
• M11: 4,736,867 km (0.071 R)

Asteroid Belt

Center: 2.23 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 3.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 547.7

Radius: 13

Gravity: 3.24 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 3.1 AU - 3.7 AU

Year: 4113 Days

Day: 14 Hours

Environment

Temp: -209 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 77,418,804 km

• M1: 176,226 km (0.098 R)
• M2: 616,493 km (0.103 R)
• M3: 1,292,526 km (0.11 R)
• M4: 1,749,547 km (0.119 R)
• M5: 2,494,544 km (0.104 R)
• M6: 3,442,247 km (0.102 R)
• M7: 4,228,234 km (0.116 R)
• M8: 4,664,462 km (0.057 R)
• M9: 5,467,653 km (0.111 R)
• M10: 5,902,833 km (0.116 R)
• M11: 6,449,613 km (0.109 R)
• M12: 8,331,554 km (0.068 R)
• M13: 10,597,513 km (0.102 R)
• M14: 11,895,125 km (0.118 R)
• M15: 12,442,803 km (0.085 R)
• M16: 13,055,257 km (0.094 R)
• M17: 14,648,623 km (0.031 R)
• M18: 15,980,942 km (0.083 R)
• M19: 16,592,199 km (0.036 R)
• M20: 19,256,687 km (0.057 R)
• M21: 20,527,820 km (0.106 R)
• M22: 21,383,520 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 320.9

Radius: 13.6

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 3.63 AU - 4.01 AU

Year: 4898 Days

Day: 10.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 77,418,804 km

• M1: 169,644 km (0.086 R)
• M2: 1,063,641 km (0.062 R)
• M3: 1,489,696 km (0.101 R)
• M4: 2,360,654 km (0.092 R)
• M5: 3,091,290 km (0.085 R)
• M6: 4,052,307 km (0.087 R)
• M7: 4,672,540 km (0.094 R)
• M8: 5,128,963 km (0.096 R)
• M9: 5,721,371 km (0.038 R)
• M10: 6,302,109 km (0.088 R)
• M11: 8,387,504 km (0.115 R)
• M12: 9,065,033 km (0.103 R)
• M13: 9,856,256 km (0.072 R)
• M14: 10,408,870 km (0.075 R)
• M15: 11,619,715 km (0.079 R)
• M16: 16,247,675 km (0.104 R)
• M17: 18,638,698 km (0.119 R)
• M18: 20,168,635 km (0.1 R)
• M19: 22,449,105 km (0.064 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 304.9

Radius: 13.7

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 4.18 AU - 5.14 AU

Year: 6599 Days

Day: 11.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 77,418,804 km

• M1: 170,392 km (0.05 R)
• M2: 638,334 km (0.108 R)
• M3: 1,383,032 km (0.112 R)
• M4: 1,974,841 km (0.103 R)
• M5: 2,502,922 km (0.099 R)
• M6: 3,069,449 km (0.092 R)
• M7: 4,274,909 km (0.111 R)
• M8: 7,534,048 km (0.092 R)
• M9: 9,546,139 km (0.061 R)
• M10: 10,676,800 km (0.081 R)
• M11: 13,003,795 km (0.038 R)
• M12: 15,595,279 km (0.105 R)
• M13: 16,221,196 km (0.119 R)
• M14: 20,336,035 km (0.088 R)
• M15: 21,360,033 km (0.082 R)
• M16: 21,849,667 km (0.062 R)
• M17: 25,100,129 km (0.05 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 877.8

Radius: 14.4

Gravity: 4.23 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 5.19 AU - 5.93 AU

Year: 8600 Days

Day: 5.6 Hours

Environment

Temp: -211 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 77,418,804 km

• M1: 180,415 km (0.074 R)
• M2: 843,882 km (0.039 R)
• M3: 1,774,530 km (0.054 R)
• M4: 2,224,820 km (0.086 R)
• M5: 2,692,462 km (0.067 R)
• M6: 3,435,665 km (0.08 R)
• M7: 4,956,327 km (0.111 R)
• M8: 5,497,273 km (0.112 R)
• M9: 6,812,537 km (0.075 R)
• M10: 8,416,526 km (0.118 R)
• M11: 9,049,923 km (0.077 R)
• M12: 9,960,226 km (0.109 R)
• M13: 10,566,247 km (0.044 R)
• M14: 11,304,064 km (0.113 R)
• M15: 11,907,841 km (0.074 R)
• M16: 13,001,252 km (0.067 R)
• M17: 15,387,936 km (0.042 R)
• M18: 16,896,332 km (0.032 R)
• M19: 17,541,098 km (0.092 R)
• M20: 20,769,720 km (0.111 R)
• M21: 22,182,522 km (0.12 R)
• M22: 25,014,559 km (0.11 R)
• M23: 28,782,331 km (0.119 R)
• M24: 30,013,821 km (0.101 R)
• M25: 31,173,354 km (0.071 R)
• M26: 37,302,977 km (0.107 R)
• M27: 40,015,336 km (0.086 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 765.2

Radius: 6.9

Gravity: 16.07 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 8.57 AU - 10.57 AU

Year: 19421 Days

Day: 20.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 77,418,804 km

• M1: 85,869 km (0.089 R)
• M2: 420,669 km (0.084 R)
• M3: 723,156 km (0.077 R)
• M4: 1,168,210 km (0.041 R)
• M5: 2,691,864 km (0.045 R)
• M6: 3,815,494 km (0.064 R)
• M7: 5,815,318 km (0.112 R)
• M8: 7,227,223 km (0.085 R)
• M9: 8,269,471 km (0.081 R)
• M10: 12,882,022 km (0.115 R)
• M11: 13,306,132 km (0.119 R)
• M12: 19,607,494 km (0.09 R)
• M13: 20,933,679 km (0.098 R)
• M14: 21,817,204 km (0.091 R)
• M15: 23,033,734 km (0.099 R)
• M16: 30,293,419 km (0.106 R)
• M17: 30,792,029 km (0.115 R)
• M18: 31,677,798 km (0.104 R)
• M19: 32,841,370 km (0.118 R)
• M20: 33,899,326 km (0.113 R)
• M21: 34,301,894 km (0.105 R)
• M22: 35,116,455 km (0.073 R)
• M23: 35,666,676 km (0.087 R)
• M24: 38,069,367 km (0.045 R)
• M25: 44,946,231 km (0.069 R)
• M26: 45,921,310 km (0.112 R)
• M27: 47,410,557 km (0.094 R)
• M28: 47,913,954 km (0.099 R)
• M29: 56,273,782 km (0.05 R)
• M30: 62,088,651 km (0.051 R)
• M31: 65,971,315 km (0.112 R)
• M32: 74,894,828 km (0.093 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 334 - 14,046 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit