🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 460.9

Radius: 12.5

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 0.7 AU - 0.94 AU

Year: 487 Days

Day: 5.7 Hours

Environment

Temp: -145 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 38,981,312 km

• M1: 155,432 km (0.108 R)
• M2: 975,528 km (0.04 R)
• M3: 1,403,976 km (0.113 R)
• M4: 2,055,924 km (0.108 R)
• M5: 2,740,184 km (0.08 R)
• M6: 3,488,622 km (0.118 R)
• M7: 5,004,498 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 514.7

Radius: 8.5

Gravity: 7.12 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.98 AU - 1.4 AU

Year: 852 Days

Day: 11.9 Hours

Environment

Temp: -167 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 38,981,312 km

• M1: 105,766 km (0.101 R)
• M2: 386,411 km (0.112 R)
• M3: 810,372 km (0.03 R)
• M4: 1,250,040 km (0.098 R)
• M5: 2,071,631 km (0.06 R)
• M6: 2,340,758 km (0.11 R)
• M7: 2,724,626 km (0.057 R)
• M8: 3,137,516 km (0.119 R)
• M9: 3,522,132 km (0.071 R)
• M10: 3,967,784 km (0.09 R)
• M11: 4,290,766 km (0.072 R)
• M12: 4,598,040 km (0.097 R)
• M13: 4,972,184 km (0.094 R)
• M14: 5,385,075 km (0.118 R)
• M15: 5,762,360 km (0.066 R)
• M16: 6,157,448 km (0.117 R)
• M17: 6,655,160 km (0.039 R)
• M18: 7,001,629 km (0.056 R)
• M19: 8,236,560 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 904.4

Radius: 14.2

Gravity: 4.49 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.27 AU - 1.39 AU

Year: 1006 Days

Day: 7.8 Hours

Environment

Temp: -169 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 38,981,312 km

• M1: 176,525 km (0.091 R)
• M2: 712,235 km (0.049 R)
• M3: 1,156,840 km (0.086 R)
• M4: 1,601,894 km (0.09 R)
• M5: 2,239,779 km (0.073 R)
• M6: 2,990,312 km (0.087 R)
• M7: 3,470,072 km (0.046 R)
• M8: 4,678,075 km (0.097 R)
• M9: 5,953,696 km (0.12 R)
• M10: 7,500,538 km (0.075 R)
• M11: 10,429,365 km (0.104 R)
• M12: 11,308,701 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 892.5

Radius: 12.4

Gravity: 5.8 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 1.36 AU - 1.44 AU

Year: 1087 Days

Day: 8.9 Hours

Environment

Temp: -166 °C

Axial Tilt: 176.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 38,981,312 km

• M1: 154,235 km (0.117 R)
• M2: 694,134 km (0.114 R)
• M3: 1,184,217 km (0.062 R)
• M4: 1,733,690 km (0.037 R)
• M5: 2,391,322 km (0.114 R)
• M6: 2,798,976 km (0.097 R)
• M7: 3,445,837 km (0.038 R)
• M8: 4,348,212 km (0.117 R)
• M9: 5,279,159 km (0.091 R)
• M10: 5,717,032 km (0.083 R)
• M11: 7,079,121 km (0.034 R)
• M12: 7,612,886 km (0.04 R)
• M13: 8,675,629 km (0.04 R)
• M14: 9,228,094 km (0.102 R)
• M15: 9,803,896 km (0.105 R)
• M16: 10,307,293 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 415.4

Radius: 11.8

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 2.09 AU - 2.97 AU

Year: 2640 Days

Day: 6.1 Hours

Environment

Temp: -189 °C

Axial Tilt: 102.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 38,981,312 km

• M1: 146,905 km (0.107 R)
• M2: 533,915 km (0.108 R)
• M3: 1,408,165 km (0.101 R)
• M4: 1,999,974 km (0.118 R)
• M5: 2,840,564 km (0.108 R)
• M6: 3,476,954 km (0.115 R)
• M7: 4,733,725 km (0.062 R)
• M8: 6,375,412 km (0.11 R)
• M9: 7,702,196 km (0.114 R)
• M10: 9,039,900 km (0.114 R)
• M11: 13,848,724 km (0.118 R)
• M12: 15,818,628 km (0.045 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 45.3

Radius: 9.8

Gravity: 0.47 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 2.39 AU - 2.79 AU

Year: 2734 Days

Day: 8.4 Hours

Environment

Temp: -189 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 38,981,312 km

• M1: 122,371 km (0.076 R)
• M2: 446,550 km (0.042 R)
• M3: 1,017,116 km (0.05 R)
• M4: 2,331,034 km (0.112 R)
• M5: 2,640,103 km (0.111 R)
• M6: 3,136,918 km (0.109 R)
• M7: 5,510,737 km (0.118 R)
• M8: 7,554,692 km (0.096 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 277.7

Radius: 14.1

Gravity: 1.4 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 3.94 AU - 4.8 AU

Year: 5993 Days

Day: 6.3 Hours

Environment

Temp: -216 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 38,981,312 km

• M1: 175,478 km (0.117 R)
• M2: 1,168,210 km (0.058 R)
• M3: 1,718,580 km (0.113 R)
• M4: 2,222,426 km (0.074 R)
• M5: 2,944,684 km (0.08 R)
• M6: 3,737,104 km (0.103 R)
• M7: 5,318,204 km (0.115 R)
• M8: 6,406,978 km (0.06 R)
• M9: 7,910,885 km (0.097 R)
• M10: 8,401,566 km (0.091 R)
• M11: 9,175,735 km (0.105 R)
• M12: 9,836,958 km (0.11 R)
• M13: 16,214,165 km (0.086 R)
• M14: 21,644,867 km (0.085 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 761.5

Radius: 10.1

Gravity: 7.46 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 3.87 AU - 5.59 AU

Year: 6748 Days

Day: 12.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 38,981,312 km

• M1: 126,111 km (0.112 R)
• M2: 458,517 km (0.04 R)
• M3: 1,103,135 km (0.112 R)
• M4: 1,557,164 km (0.105 R)
• M5: 2,490,206 km (0.077 R)
• M6: 3,688,784 km (0.102 R)
• M7: 4,715,923 km (0.077 R)
• M8: 6,323,502 km (0.102 R)
• M9: 6,776,784 km (0.098 R)
• M10: 7,251,757 km (0.097 R)
• M11: 8,309,264 km (0.078 R)
• M12: 8,641,521 km (0.059 R)
• M13: 9,921,331 km (0.062 R)
• M14: 10,248,352 km (0.084 R)
• M15: 11,022,970 km (0.109 R)
• M16: 12,688,742 km (0.106 R)
• M17: 13,298,353 km (0.11 R)
• M18: 14,999,131 km (0.031 R)
• M19: 19,841,166 km (0.049 R)
• M20: 23,427,326 km (0.062 R)
• M21: 23,841,413 km (0.111 R)
• M22: 24,514,154 km (0.076 R)
• M23: 25,897,486 km (0.088 R)
• M24: 27,332,279 km (0.049 R)
• M25: 29,872,600 km (0.084 R)
• M26: 35,417,745 km (0.098 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 484.9

Radius: 12.8

Gravity: 2.96 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 5.5 AU - 5.72 AU

Year: 8717 Days

Day: 7.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 38,981,312 km

• M1: 159,172 km (0.027 R)
• M2: 1,086,529 km (0.037 R)
• M3: 2,569,942 km (0.094 R)
• M4: 3,443,743 km (0.109 R)
• M5: 5,218,572 km (0.056 R)
• M6: 6,478,336 km (0.042 R)
• M7: 8,671,141 km (0.105 R)
• M8: 12,312,354 km (0.102 R)
• M9: 12,857,189 km (0.114 R)
• M10: 14,469,106 km (0.111 R)
• M11: 19,518,932 km (0.114 R)
• M12: 19,961,741 km (0.101 R)
• M13: 23,251,548 km (0.032 R)
• M14: 25,285,481 km (0.053 R)
• M15: 27,068,837 km (0.087 R)
• M16: 34,506,544 km (0.098 R)
• M17: 37,147,545 km (0.119 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 527 - 14,848 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit