🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.11

Radius: 1.04

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 0.53 AU - 0.59 AU

Year: 271 Days

Day: 26.4 Hours

Environment

Temp: -116 °C

Axial Tilt: 43.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 69,407,433 km

• M1: 27,227 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 705.5

Radius: 12.2

Gravity: 4.74 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.7 AU - 0.88 AU

Year: 453 Days

Day: 6.9 Hours

Environment

Temp: -144 °C

Axial Tilt: 62.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 69,407,433 km

• M1: 151,692 km (0.101 R)
• M2: 593,305 km (0.048 R)
• M3: 995,723 km (0.114 R)
• M4: 1,378,395 km (0.063 R)
• M5: 2,201,931 km (0.115 R)
• M6: 2,643,993 km (0.032 R)
• M7: 3,271,556 km (0.111 R)
• M8: 3,786,472 km (0.058 R)
• M9: 4,469,835 km (0.07 R)
• M10: 4,995,821 km (0.075 R)
• M11: 6,029,542 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 385.9

Radius: 13.9

Gravity: 2 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.67 AU - 0.93 AU

Year: 462 Days

Day: 6.9 Hours

Environment

Temp: -145 °C

Axial Tilt: 41.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 69,407,433 km

• M1: 173,234 km (0.052 R)
• M2: 781,050 km (0.064 R)
• M3: 1,481,917 km (0.104 R)
• M4: 1,980,377 km (0.082 R)
• M5: 2,675,259 km (0.09 R)
• M6: 3,294,145 km (0.113 R)
• M7: 3,932,778 km (0.089 R)
• M8: 4,515,911 km (0.039 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 608

Radius: 10.7

Gravity: 5.31 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.87 AU - 1.35 AU

Year: 755 Days

Day: 7.5 Hours

Environment

Temp: -154 °C

Axial Tilt: 126.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 69,407,433 km

• M1: 134,638 km (0.091 R)
• M2: 643,570 km (0.06 R)
• M3: 1,219,671 km (0.078 R)
• M4: 1,562,550 km (0.072 R)
• M5: 2,016,280 km (0.11 R)
• M6: 2,690,069 km (0.105 R)
• M7: 3,055,387 km (0.085 R)
• M8: 4,004,885 km (0.042 R)
• M9: 4,948,997 km (0.063 R)
• M10: 5,764,156 km (0.094 R)
• M11: 7,318,627 km (0.029 R)
• M12: 8,180,909 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 614

Radius: 14.7

Gravity: 2.84 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 1.05 AU - 1.65 AU

Year: 1013 Days

Day: 8.8 Hours

Environment

Temp: -170 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 69,407,433 km

• M1: 182,958 km (0.037 R)
• M2: 754,272 km (0.111 R)
• M3: 1,246,150 km (0.066 R)
• M4: 1,914,105 km (0.076 R)
• M5: 3,696,563 km (0.074 R)
• M6: 4,459,513 km (0.083 R)
• M7: 5,025,142 km (0.074 R)
• M8: 5,963,719 km (0.091 R)
• M9: 7,661,206 km (0.11 R)
• M10: 8,267,227 km (0.12 R)
• M11: 8,905,262 km (0.12 R)
• M12: 9,575,909 km (0.052 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 504.6

Radius: 14.6

Gravity: 2.37 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 3.63 AU - 5.89 AU

Year: 6705 Days

Day: 10.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 69,407,433 km

• M1: 185,950 km (0.096 R)
• M2: 1,054,366 km (0.113 R)
• M3: 1,879,548 km (0.092 R)
• M4: 2,405,235 km (0.091 R)
• M5: 4,230,628 km (0.083 R)
• M6: 6,354,170 km (0.031 R)
• M7: 8,042,232 km (0.069 R)
• M8: 9,197,726 km (0.087 R)
• M9: 11,446,182 km (0.101 R)
• M10: 13,065,130 km (0.071 R)
• M11: 15,415,911 km (0.118 R)
• M12: 17,580,443 km (0.035 R)
• M13: 19,730,463 km (0.102 R)
• M14: 26,968,906 km (0.102 R)
• M15: 30,098,044 km (0.09 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 835.1

Radius: 13.3

Gravity: 4.72 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 4.66 AU - 6.06 AU

Year: 8012 Days

Day: 10 Hours

Environment

Temp: -221 °C

Axial Tilt: 47.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 69,407,433 km

• M1: 165,455 km (0.119 R)
• M2: 602,730 km (0.069 R)
• M3: 1,249,890 km (0.049 R)
• M4: 1,925,773 km (0.108 R)
• M5: 2,561,116 km (0.053 R)
• M6: 3,812,801 km (0.114 R)
• M7: 5,535,420 km (0.114 R)
• M8: 7,018,384 km (0.025 R)
• M9: 7,770,263 km (0.098 R)
• M10: 8,187,342 km (0.111 R)
• M11: 9,862,389 km (0.114 R)
• M12: 10,552,484 km (0.098 R)
• M13: 11,274,593 km (0.115 R)
• M14: 13,579,896 km (0.091 R)
• M15: 14,748,405 km (0.093 R)
• M16: 17,998,419 km (0.117 R)
• M17: 19,636,665 km (0.088 R)
• M18: 21,291,218 km (0.085 R)
• M19: 22,612,915 km (0.046 R)
• M20: 23,639,605 km (0.085 R)
• M21: 26,155,841 km (0.05 R)
• M22: 28,845,910 km (0.11 R)
• M23: 32,247,018 km (0.03 R)
• M24: 34,210,639 km (0.028 R)
• M25: 36,021,970 km (0.034 R)
• M26: 38,979,072 km (0.095 R)
• M27: 39,835,220 km (0.117 R)
• M28: 40,579,021 km (0.075 R)
• M29: 43,125,326 km (0.084 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 182

Radius: 5.7

Gravity: 5.6 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 5.78 AU - 6.84 AU

Year: 10234 Days

Day: 17 Hours

Environment

Temp: -232 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 69,407,433 km

• M1: 76,295 km (0.105 R)
• M2: 265,387 km (0.105 R)
• M3: 513,420 km (0.116 R)
• M4: 720,164 km (0.12 R)
• M5: 1,103,583 km (0.11 R)
• M6: 1,770,640 km (0.075 R)
• M7: 1,966,165 km (0.087 R)
• M8: 2,286,454 km (0.057 R)
• M9: 2,588,193 km (0.08 R)
• M10: 2,859,563 km (0.088 R)
• M11: 3,880,868 km (0.091 R)
• M12: 4,435,876 km (0.036 R)
• M13: 6,354,020 km (0.101 R)
• M14: 8,065,569 km (0.08 R)
• M15: 9,006,839 km (0.119 R)
• M16: 10,328,087 km (0.068 R)
• M17: 11,340,865 km (0.041 R)
• M18: 13,615,650 km (0.072 R)
• M19: 16,602,970 km (0.101 R)
• M20: 17,667,209 km (0.104 R)
• M21: 22,832,824 km (0.12 R)
• M22: 23,833,484 km (0.11 R)
• M23: 26,337,154 km (0.086 R)
• M24: 27,868,438 km (0.057 R)
• M25: 29,099,778 km (0.083 R)
• M26: 29,458,214 km (0.101 R)
• M27: 30,092,509 km (0.029 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 914.8

Radius: 7.5

Gravity: 16.26 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 6.83 AU - 7.15 AU

Year: 11932 Days

Day: 19.2 Hours

Environment

Temp: -234 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 69,407,433 km

• M1: 93,349 km (0.049 R)
• M2: 359,633 km (0.105 R)
• M3: 882,478 km (0.071 R)
• M4: 1,221,766 km (0.069 R)
• M5: 1,569,431 km (0.104 R)
• M6: 1,859,651 km (0.082 R)
• M7: 2,701,289 km (0.118 R)
• M8: 3,503,133 km (0.104 R)
• M9: 3,859,475 km (0.105 R)
• M10: 4,300,340 km (0.076 R)
• M11: 5,496,076 km (0.115 R)
• M12: 6,327,840 km (0.093 R)
• M13: 6,815,529 km (0.09 R)
• M14: 7,866,006 km (0.116 R)
• M15: 10,449,860 km (0.104 R)
• M16: 12,208,383 km (0.054 R)
• M17: 12,899,974 km (0.115 R)
• M18: 17,925,565 km (0.061 R)
• M19: 18,327,834 km (0.12 R)
• M20: 19,997,196 km (0.063 R)
• M21: 21,947,803 km (0.119 R)
• M22: 33,628,405 km (0.053 R)
• M23: 37,542,633 km (0.08 R)
• M24: 37,805,177 km (0.112 R)
• M25: 39,406,024 km (0.032 R)
• M26: 48,401,793 km (0.117 R)
• M27: 51,248,939 km (0.074 R)
• M28: 55,216,275 km (0.092 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 670.8

Radius: 7

Gravity: 13.69 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 8.43 AU - 9.69 AU

Year: 17608 Days

Day: 21 Hours

Environment

Temp: -233 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 69,407,433 km

• M1: 87,216 km (0.049 R)
• M2: 409,898 km (0.106 R)
• M3: 845,527 km (0.076 R)
• M4: 1,497,475 km (0.118 R)
• M5: 1,795,324 km (0.098 R)
• M6: 2,212,702 km (0.112 R)
• M7: 2,488,710 km (0.09 R)
• M8: 3,321,222 km (0.089 R)
• M9: 4,556,901 km (0.107 R)
• M10: 6,154,606 km (0.119 R)
• M11: 7,469,422 km (0.105 R)
• M12: 7,995,408 km (0.108 R)
• M13: 8,393,189 km (0.104 R)
• M14: 8,856,493 km (0.072 R)
• M15: 9,777,866 km (0.12 R)
• M16: 14,689,015 km (0.09 R)
• M17: 15,898,963 km (0.093 R)
• M18: 16,608,056 km (0.071 R)
• M19: 17,010,923 km (0.086 R)
• M20: 17,836,405 km (0.119 R)
• M21: 19,212,107 km (0.109 R)
• M22: 20,289,361 km (0.111 R)
• M23: 24,688,436 km (0.1 R)
• M24: 26,613,012 km (0.051 R)
• M25: 30,158,033 km (0.119 R)
• M26: 34,394,645 km (0.116 R)
• M27: 37,613,243 km (0.069 R)
• M28: 39,153,204 km (0.116 R)
• M29: 40,299,422 km (0.092 R)
• M30: 41,320,428 km (0.033 R)
• M31: 42,508,385 km (0.056 R)
• M32: 43,414,050 km (0.116 R)
• M33: 47,166,114 km (0.061 R)
• M34: 47,811,779 km (0.056 R)
• M35: 48,299,767 km (0.059 R)
• M36: 49,120,610 km (0.104 R)
• M37: 56,386,729 km (0.118 R)
• M38: 59,896,743 km (0.078 R)
• M39: 63,942,767 km (0.101 R)
• M40: 64,932,208 km (0.038 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 496 - 14,481 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit