🌌 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: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 681.6

Radius: 8.7

Gravity: 9.01 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 0.65 AU - 0.73 AU

Year: 389 Days

Day: 8.3 Hours

Environment

Temp: -162 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 71,349,968 km

• M1: 108,159 km (0.087 R)
• M2: 427,551 km (0.09 R)
• M3: 730,038 km (0.104 R)
• M4: 1,115,701 km (0.052 R)
• M5: 1,532,630 km (0.102 R)
• M6: 2,067,742 km (0.058 R)
• M7: 2,874,822 km (0.076 R)
• M8: 3,208,575 km (0.028 R)
• M9: 3,877,726 km (0.102 R)
• M10: 4,593,702 km (0.109 R)
• M11: 4,930,746 km (0.103 R)
• M12: 5,237,272 km (0.067 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 741.8

Radius: 8.4

Gravity: 10.51 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.65 AU - 0.79 AU

Year: 414 Days

Day: 5.3 Hours

Environment

Temp: -158 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 71,349,968 km

• M1: 104,419 km (0.077 R)
• M2: 367,861 km (0.069 R)
• M3: 653,443 km (0.12 R)
• M4: 996,023 km (0.092 R)
• M5: 1,380,190 km (0.118 R)
• M6: 2,586,248 km (0.106 R)
• M7: 2,851,934 km (0.108 R)
• M8: 3,113,431 km (0.033 R)
• M9: 3,560,579 km (0.085 R)
• M10: 4,117,681 km (0.072 R)
• M11: 4,612,850 km (0.105 R)
• M12: 4,959,469 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 867.3

Radius: 14.9

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 2.4 AU - 2.52 AU

Year: 2617 Days

Day: 12.7 Hours

Environment

Temp: -201 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 71,349,968 km

• M1: 185,352 km (0.071 R)
• M2: 741,856 km (0.062 R)
• M3: 1,267,842 km (0.043 R)
• M4: 2,101,700 km (0.081 R)
• M5: 2,942,291 km (0.11 R)
• M6: 3,441,948 km (0.079 R)
• M7: 4,842,333 km (0.085 R)
• M8: 5,494,131 km (0.101 R)
• M9: 8,100,426 km (0.034 R)
• M10: 8,846,171 km (0.113 R)
• M11: 9,637,544 km (0.052 R)
• M12: 11,696,160 km (0.084 R)
• M13: 12,210,178 km (0.109 R)
• M14: 13,655,294 km (0.06 R)
• M15: 15,363,552 km (0.095 R)
• M16: 16,137,870 km (0.097 R)
• M17: 18,159,237 km (0.118 R)
• M18: 18,791,587 km (0.094 R)
• M19: 19,319,817 km (0.077 R)
• M20: 20,039,532 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 860.9

Radius: 14

Gravity: 4.39 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 2.59 AU - 3.03 AU

Year: 3195 Days

Day: 7.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 71,349,968 km

• M1: 177,423 km (0.078 R)
• M2: 641,326 km (0.109 R)
• M3: 1,092,663 km (0.106 R)
• M4: 2,176,948 km (0.086 R)
• M5: 2,946,180 km (0.104 R)
• M6: 4,210,881 km (0.03 R)
• M7: 4,979,066 km (0.088 R)
• M8: 5,702,521 km (0.112 R)
• M9: 7,888,296 km (0.096 R)
• M10: 10,258,824 km (0.045 R)
• M11: 14,449,958 km (0.116 R)
• M12: 18,801,909 km (0.1 R)
• M13: 20,621,618 km (0.073 R)
• M14: 22,556,068 km (0.109 R)
• M15: 23,180,340 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 455.3

Radius: 10.4

Gravity: 4.21 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 3.8 AU - 3.94 AU

Year: 5164 Days

Day: 5.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 71,349,968 km

• M1: 129,402 km (0.088 R)
• M2: 543,040 km (0.049 R)
• M3: 1,421,629 km (0.068 R)
• M4: 1,831,377 km (0.118 R)
• M5: 2,304,555 km (0.108 R)
• M6: 5,888,172 km (0.101 R)
• M7: 6,829,292 km (0.111 R)
• M8: 8,224,293 km (0.078 R)
• M9: 10,552,933 km (0.096 R)
• M10: 11,388,288 km (0.059 R)
• M11: 12,796,003 km (0.079 R)
• M12: 13,592,612 km (0.112 R)
• M13: 16,411,036 km (0.09 R)
• M14: 18,828,388 km (0.093 R)
• M15: 19,338,966 km (0.105 R)
• M16: 20,858,282 km (0.052 R)
• M17: 23,614,024 km (0.098 R)
• M18: 25,425,654 km (0.107 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 543.1

Radius: 13.3

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 3.92 AU - 5.88 AU

Year: 7357 Days

Day: 13.4 Hours

Environment

Temp: -217 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 71,349,968 km

• M1: 165,455 km (0.074 R)
• M2: 734,526 km (0.049 R)
• M3: 1,186,461 km (0.025 R)
• M4: 2,627,687 km (0.109 R)
• M5: 3,925,747 km (0.112 R)
• M6: 4,530,272 km (0.103 R)
• M7: 5,052,518 km (0.084 R)
• M8: 6,384,538 km (0.085 R)
• M9: 7,481,689 km (0.088 R)
• M10: 8,214,120 km (0.1 R)
• M11: 10,094,416 km (0.108 R)
• M12: 10,844,649 km (0.087 R)
• M13: 13,823,142 km (0.112 R)
• M14: 14,926,876 km (0.056 R)
• M15: 19,291,094 km (0.048 R)
• M16: 20,892,240 km (0.096 R)
• M17: 27,644,340 km (0.069 R)
• M18: 28,556,289 km (0.119 R)
• M19: 33,624,216 km (0.083 R)
• M20: 35,723,672 km (0.066 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 753.9

Radius: 12.3

Gravity: 4.98 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 4.08 AU - 5.72 AU

Year: 7357 Days

Day: 8.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 71,349,968 km

• M1: 153,039 km (0.09 R)
• M2: 622,926 km (0.116 R)
• M3: 1,143,077 km (0.07 R)
• M4: 1,760,169 km (0.115 R)
• M5: 2,554,683 km (0.104 R)
• M6: 3,024,570 km (0.049 R)
• M7: 3,814,147 km (0.084 R)
• M8: 4,458,914 km (0.113 R)
• M9: 4,850,861 km (0.091 R)
• M10: 6,514,688 km (0.09 R)
• M11: 9,094,204 km (0.111 R)
• M12: 10,199,134 km (0.101 R)
• M13: 11,288,805 km (0.037 R)
• M14: 12,128,947 km (0.12 R)
• M15: 12,841,780 km (0.073 R)
• M16: 14,291,234 km (0.115 R)
• M17: 15,911,379 km (0.032 R)
• M18: 17,238,761 km (0.099 R)
• M19: 17,859,592 km (0.084 R)
• M20: 22,877,703 km (0.116 R)
• M21: 26,518,766 km (0.066 R)
• M22: 27,439,391 km (0.082 R)
• M23: 31,438,591 km (0.077 R)
• M24: 33,205,192 km (0.102 R)
• M25: 35,367,031 km (0.115 R)
• M26: 35,921,890 km (0.112 R)
• M27: 40,330,240 km (0.116 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 641.1

Radius: 4.2

Gravity: 36.34 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 8.92 AU - 9.38 AU

Year: 18773 Days

Day: 16.3 Hours

Environment

Temp: -242 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 71,349,968 km

• M1: 52,359 km (0.086 R)
• M2: 312,660 km (0.086 R)
• M3: 482,004 km (0.031 R)
• M4: 1,349,223 km (0.098 R)
• M5: 1,668,166 km (0.117 R)
• M6: 1,882,540 km (0.106 R)
• M7: 2,217,639 km (0.046 R)
• M8: 2,829,793 km (0.062 R)
• M9: 5,720,922 km (0.094 R)
• M10: 6,292,834 km (0.043 R)
• M11: 7,501,884 km (0.117 R)
• M12: 8,337,987 km (0.094 R)
• M13: 8,699,715 km (0.107 R)
• M14: 9,344,033 km (0.095 R)
• M15: 10,019,467 km (0.058 R)
• M16: 10,727,065 km (0.106 R)
• M17: 13,048,674 km (0.072 R)
• M18: 16,235,408 km (0.109 R)
• M19: 16,555,847 km (0.103 R)
• M20: 19,452,211 km (0.103 R)
• M21: 19,996,149 km (0.102 R)
• M22: 21,304,532 km (0.05 R)
• M23: 21,979,667 km (0.111 R)
• M24: 23,678,501 km (0.09 R)
• M25: 32,602,014 km (0.066 R)
• M26: 33,627,058 km (0.113 R)
• M27: 37,107,004 km (0.1 R)
• M28: 39,076,609 km (0.051 R)
• M29: 45,085,956 km (0.076 R)
• M30: 52,201,728 km (0.066 R)
• M31: 68,397,194 km (0.1 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 177 - 14,947 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit