🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 536.8

Radius: 13

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.55 AU - 0.89 AU

Year: 401 Days

Day: 8.9 Hours

Environment

Temp: -130 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 71,765,497 km

• M1: 162,314 km (0.112 R)
• M2: 652,845 km (0.085 R)
• M3: 1,305,241 km (0.074 R)
• M4: 2,048,743 km (0.089 R)
• M5: 2,661,945 km (0.087 R)
• M6: 3,070,048 km (0.114 R)
• M7: 3,756,103 km (0.07 R)
• M8: 4,339,385 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 38.4

Radius: 12.5

Gravity: 0.25 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 1.06 AU - 1.76 AU

Year: 1098 Days

Day: 13.3 Hours

Environment

Temp: -181 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 71,765,497 km

• M1: 164,109 km (0.077 R)
• M2: 1,192,893 km (0.047 R)
• M3: 2,505,914 km (0.104 R)
• M4: 3,331,245 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 898.7

Radius: 8.6

Gravity: 12.15 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 2.91 AU - 4.1 AU

Year: 4295 Days

Day: 6.8 Hours

Environment

Temp: -211 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 71,765,497 km

• M1: 106,962 km (0.071 R)
• M2: 450,589 km (0.118 R)
• M3: 894,745 km (0.074 R)
• M4: 1,602,492 km (0.093 R)
• M5: 2,440,689 km (0.082 R)
• M6: 2,783,418 km (0.111 R)
• M7: 3,805,471 km (0.105 R)
• M8: 6,127,529 km (0.081 R)
• M9: 6,698,544 km (0.087 R)
• M10: 8,625,813 km (0.112 R)
• M11: 9,302,295 km (0.083 R)
• M12: 17,623,826 km (0.078 R)
• M13: 19,911,626 km (0.104 R)
• M14: 21,806,582 km (0.117 R)
• M15: 22,612,017 km (0.067 R)
• M16: 24,359,919 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 730.7

Radius: 11.9

Gravity: 5.16 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 3.53 AU - 4.51 AU

Year: 5287 Days

Day: 6.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 71,765,497 km

• M1: 148,102 km (0.104 R)
• M2: 520,900 km (0.072 R)
• M3: 1,000,062 km (0.06 R)
• M4: 1,574,069 km (0.101 R)
• M5: 3,091,590 km (0.116 R)
• M6: 3,521,235 km (0.07 R)
• M7: 3,898,221 km (0.108 R)
• M8: 5,029,181 km (0.083 R)
• M9: 7,347,799 km (0.089 R)
• M10: 8,861,729 km (0.091 R)
• M11: 9,735,231 km (0.099 R)
• M12: 10,848,987 km (0.107 R)
• M13: 12,396,278 km (0.112 R)
• M14: 13,435,086 km (0.088 R)
• M15: 14,587,588 km (0.062 R)
• M16: 15,043,562 km (0.03 R)
• M17: 19,244,420 km (0.029 R)
• M18: 20,071,696 km (0.104 R)
• M19: 21,502,749 km (0.094 R)
• M20: 23,077,416 km (0.066 R)
• M21: 23,775,440 km (0.081 R)
• M22: 24,647,446 km (0.1 R)
• M23: 25,788,130 km (0.114 R)
• M24: 26,793,427 km (0.102 R)
• M25: 28,438,555 km (0.091 R)
• M26: 28,882,412 km (0.079 R)
• M27: 31,738,385 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 300

Radius: 13.1

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 4.4 AU - 4.74 AU

Year: 6409 Days

Day: 14.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 71,765,497 km

• M1: 163,062 km (0.097 R)
• M2: 722,259 km (0.065 R)
• M3: 1,174,044 km (0.068 R)
• M4: 1,820,456 km (0.072 R)
• M5: 2,301,264 km (0.085 R)
• M6: 5,039,653 km (0.114 R)
• M7: 5,464,960 km (0.085 R)
• M8: 5,885,629 km (0.049 R)
• M9: 6,480,281 km (0.041 R)
• M10: 6,984,575 km (0.102 R)
• M11: 7,651,781 km (0.107 R)
• M12: 8,508,229 km (0.074 R)
• M13: 8,921,718 km (0.046 R)
• M14: 9,748,396 km (0.081 R)
• M15: 10,539,918 km (0.076 R)
• M16: 11,017,434 km (0.056 R)
• M17: 19,509,358 km (0.083 R)
• M18: 20,969,732 km (0.106 R)
• M19: 22,932,306 km (0.103 R)
• M20: 24,937,965 km (0.097 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 220

Radius: 12.1

Gravity: 1.5 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 3.72 AU - 6.02 AU

Year: 7050 Days

Day: 9 Hours

Environment

Temp: -213 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 71,765,497 km

• M1: 153,039 km (0.086 R)
• M2: 549,623 km (0.05 R)
• M3: 935,585 km (0.099 R)
• M4: 1,326,784 km (0.05 R)
• M5: 2,163,185 km (0.03 R)
• M6: 4,021,041 km (0.06 R)
• M7: 6,645,437 km (0.074 R)
• M8: 7,549,008 km (0.106 R)
• M9: 7,960,701 km (0.117 R)
• M10: 11,056,779 km (0.119 R)
• M11: 13,042,242 km (0.09 R)
• M12: 13,636,444 km (0.102 R)
• M13: 16,139,067 km (0.086 R)
• M14: 18,436,741 km (0.112 R)
• M15: 19,760,383 km (0.116 R)
• M16: 20,215,459 km (0.025 R)
• M17: 21,011,769 km (0.062 R)
• M18: 23,964,382 km (0.053 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 944.5

Radius: 6.1

Gravity: 25.38 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 6.64 AU - 9.9 AU

Year: 15602 Days

Day: 19.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 71,765,497 km

• M1: 78,389 km (0.067 R)
• M2: 298,897 km (0.088 R)
• M3: 591,211 km (0.112 R)
• M4: 914,492 km (0.114 R)
• M5: 1,117,346 km (0.063 R)
• M6: 1,440,478 km (0.113 R)
• M7: 2,211,505 km (0.073 R)
• M8: 3,256,147 km (0.117 R)
• M9: 3,826,265 km (0.065 R)
• M10: 4,427,349 km (0.109 R)
• M11: 5,540,357 km (0.073 R)
• M12: 6,608,636 km (0.085 R)
• M13: 6,828,694 km (0.091 R)
• M14: 7,237,395 km (0.077 R)
• M15: 7,471,516 km (0.061 R)
• M16: 7,954,717 km (0.12 R)
• M17: 8,153,682 km (0.095 R)
• M18: 8,561,785 km (0.109 R)
• M19: 12,265,380 km (0.049 R)
• M20: 13,847,377 km (0.106 R)
• M21: 14,650,119 km (0.059 R)
• M22: 15,176,854 km (0.029 R)
• M23: 17,078,991 km (0.112 R)
• M24: 18,087,131 km (0.103 R)
• M25: 22,025,893 km (0.079 R)
• M26: 23,422,389 km (0.116 R)
• M27: 23,729,065 km (0.077 R)
• M28: 26,500,814 km (0.06 R)
• M29: 34,358,741 km (0.117 R)
• M30: 36,097,069 km (0.084 R)
• M31: 36,369,636 km (0.038 R)
• M32: 39,171,006 km (0.071 R)
• M33: 44,569,993 km (0.114 R)
• M34: 47,121,085 km (0.092 R)
• M35: 47,446,610 km (0.099 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 373 - 18,514 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit