🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 311

Radius: 12.6

Gravity: 1.96 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 0.62 AU - 0.7 AU

Year: 377 Days

Day: 11.1 Hours

Environment

Temp: -150 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 35,306,827 km

• M1: 156,629 km (0.071 R)
• M2: 557,402 km (0.066 R)
• M3: 954,434 km (0.087 R)
• M4: 1,517,521 km (0.113 R)
• M5: 1,982,920 km (0.115 R)
• M6: 2,682,290 km (0.103 R)
• M7: 3,310,302 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 635.6

Radius: 11.3

Gravity: 4.98 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 0.93 AU - 1.01 AU

Year: 672 Days

Day: 10.5 Hours

Environment

Temp: -173 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 35,306,827 km

• M1: 141,071 km (0.117 R)
• M2: 503,247 km (0.112 R)
• M3: 1,027,289 km (0.117 R)
• M4: 1,388,567 km (0.088 R)
• M5: 1,861,895 km (0.026 R)
• M6: 2,252,046 km (0.117 R)
• M7: 2,675,408 km (0.116 R)
• M8: 3,127,194 km (0.063 R)
• M9: 3,589,152 km (0.116 R)
• M10: 4,492,274 km (0.101 R)
• M11: 5,048,629 km (0.099 R)
• M12: 5,817,562 km (0.048 R)
• M13: 6,279,819 km (0.11 R)
• M14: 7,521,033 km (0.06 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 501.5

Radius: 10.3

Gravity: 4.73 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.94 AU - 1.44 AU

Year: 912 Days

Day: 10.8 Hours

Environment

Temp: -182 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 35,306,827 km

• M1: 128,205 km (0.068 R)
• M2: 517,309 km (0.108 R)
• M3: 858,093 km (0.104 R)
• M4: 1,398,142 km (0.112 R)
• M5: 1,742,815 km (0.108 R)
• M6: 2,254,889 km (0.1 R)
• M7: 2,769,805 km (0.084 R)
• M8: 3,190,175 km (0.055 R)
• M9: 3,739,049 km (0.112 R)
• M10: 4,113,343 km (0.059 R)
• M11: 4,713,380 km (0.055 R)
• M12: 6,272,340 km (0.085 R)
• M13: 7,432,471 km (0.092 R)
• M14: 7,833,393 km (0.1 R)
• M15: 8,601,728 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 624.4

Radius: 8.1

Gravity: 9.52 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 1.16 AU - 1.32 AU

Year: 971 Days

Day: 7.8 Hours

Environment

Temp: -181 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 35,306,827 km

• M1: 100,829 km (0.093 R)
• M2: 390,151 km (0.109 R)
• M3: 663,766 km (0.108 R)
• M4: 1,412,353 km (0.065 R)
• M5: 1,890,468 km (0.07 R)
• M6: 2,241,425 km (0.114 R)
• M7: 2,647,434 km (0.1 R)
• M8: 3,504,929 km (0.044 R)
• M9: 3,802,927 km (0.079 R)
• M10: 4,281,790 km (0.039 R)
• M11: 4,890,504 km (0.116 R)
• M12: 5,359,793 km (0.117 R)
• M13: 6,949,419 km (0.062 R)
• M14: 7,789,561 km (0.106 R)
• M15: 8,403,810 km (0.096 R)
• M16: 8,830,912 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 801.3

Radius: 12.8

Gravity: 4.89 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.32 AU - 2.04 AU

Year: 1531 Days

Day: 14.5 Hours

Environment

Temp: -187 °C

Axial Tilt: 43.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 35,306,827 km

• M1: 159,322 km (0.11 R)
• M2: 623,075 km (0.113 R)
• M3: 1,271,881 km (0.068 R)
• M4: 1,720,076 km (0.067 R)
• M5: 2,122,794 km (0.114 R)
• M6: 3,532,604 km (0.106 R)
• M7: 4,157,175 km (0.059 R)
• M8: 4,613,598 km (0.056 R)
• M9: 5,061,494 km (0.109 R)
• M10: 5,583,142 km (0.098 R)
• M11: 6,359,256 km (0.115 R)
• M12: 8,272,463 km (0.107 R)
• M13: 8,874,744 km (0.052 R)
• M14: 11,434,364 km (0.077 R)
• M15: 11,841,868 km (0.089 R)
• M16: 13,203,508 km (0.098 R)
• M17: 13,901,382 km (0.092 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 279.8

Radius: 12.9

Gravity: 1.68 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 1.7 AU - 1.78 AU

Year: 1613 Days

Day: 13.8 Hours

Environment

Temp: -199 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 35,306,827 km

• M1: 160,369 km (0.096 R)
• M2: 1,014,872 km (0.027 R)
• M3: 2,012,690 km (0.088 R)
• M4: 2,818,125 km (0.073 R)
• M5: 4,181,709 km (0.091 R)
• M6: 5,676,491 km (0.106 R)
• M7: 7,601,666 km (0.04 R)
• M8: 9,229,291 km (0.1 R)
• M9: 10,019,617 km (0.096 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 167

Radius: 10.3

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 2.01 AU - 2.83 AU

Year: 2646 Days

Day: 13.7 Hours

Environment

Temp: -197 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 35,306,827 km

• M1: 128,205 km (0.095 R)
• M2: 488,437 km (0.043 R)
• M3: 1,340,397 km (0.105 R)
• M4: 1,815,969 km (0.104 R)
• M5: 2,204,923 km (0.081 R)
• M6: 3,124,352 km (0.087 R)
• M7: 3,867,853 km (0.102 R)
• M8: 4,353,597 km (0.089 R)
• M9: 4,687,051 km (0.106 R)
• M10: 6,547,300 km (0.115 R)
• M11: 6,961,687 km (0.065 R)
• M12: 7,978,653 km (0.062 R)
• M13: 8,451,681 km (0.042 R)
• M14: 9,484,954 km (0.105 R)
• M15: 10,080,054 km (0.098 R)
• M16: 10,867,089 km (0.094 R)
• M17: 11,553,743 km (0.119 R)
• M18: 12,269,120 km (0.081 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 233.9

Radius: 13

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 2.28 AU - 3.7 AU

Year: 3634 Days

Day: 7 Hours

Environment

Temp: -205 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 35,306,827 km

• M1: 161,715 km (0.058 R)
• M2: 741,856 km (0.041 R)
• M3: 2,042,460 km (0.045 R)
• M4: 3,035,191 km (0.112 R)
• M5: 4,612,701 km (0.109 R)
• M6: 6,235,987 km (0.118 R)
• M7: 7,149,731 km (0.083 R)
• M8: 8,336,790 km (0.119 R)
• M9: 9,513,976 km (0.052 R)
• M10: 10,250,147 km (0.094 R)
• M11: 10,911,070 km (0.115 R)
• M12: 11,915,770 km (0.081 R)
• M13: 14,288,392 km (0.104 R)
• M14: 14,881,398 km (0.067 R)
• M15: 15,348,592 km (0.099 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 544

Radius: 11.6

Gravity: 4.04 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 4.25 AU - 5.09 AU

Year: 7094 Days

Day: 9.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 35,306,827 km

• M1: 144,212 km (0.113 R)
• M2: 624,272 km (0.072 R)
• M3: 1,037,760 km (0.063 R)
• M4: 1,466,209 km (0.119 R)
• M5: 1,954,347 km (0.037 R)
• M6: 2,768,009 km (0.104 R)
• M7: 3,327,206 km (0.108 R)
• M8: 4,205,645 km (0.088 R)
• M9: 4,919,227 km (0.068 R)
• M10: 6,220,728 km (0.074 R)
• M11: 6,587,841 km (0.109 R)
• M12: 8,283,533 km (0.053 R)
• M13: 8,646,757 km (0.071 R)
• M14: 9,890,214 km (0.109 R)
• M15: 11,695,412 km (0.119 R)
• M16: 12,465,243 km (0.115 R)
• M17: 14,801,213 km (0.106 R)
• M18: 15,763,277 km (0.056 R)
• M19: 17,679,028 km (0.098 R)
• M20: 19,531,797 km (0.101 R)
• M21: 20,762,688 km (0.075 R)
• M22: 21,134,439 km (0.119 R)
• M23: 22,981,075 km (0.103 R)
• M24: 25,016,504 km (0.074 R)
• M25: 26,904,728 km (0.116 R)
• M26: 28,610,443 km (0.077 R)
• M27: 31,448,764 km (0.12 R)
• M28: 34,469,593 km (0.089 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 294 - 11,966 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit