🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.41

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 0.7 AU - 0.7 AU

Year: 261 Days

Day: 16.3 Hours

Environment

Temp: -23 °C

Axial Tilt: 5.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.84

Radius: 1.52

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 1.52 AU - 1.66 AU

Year: 895 Days

Day: 39.3 Hours

Environment

Temp: -113 °C

Axial Tilt: 12.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 70,061,270 km

• M1: 1,321,548 km (0.11 R)

Asteroid Belt

Center: 2.27 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 64.2

Radius: 11

Gravity: 0.53 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 2.3 AU - 3.6 AU

Year: 2261 Days

Day: 8 Hours

Environment

Temp: -139 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 70,061,270 km

• M1: 137,181 km (0.079 R)
• M2: 572,661 km (0.029 R)
• M3: 1,141,731 km (0.071 R)
• M4: 2,441,437 km (0.107 R)
• M5: 3,126,595 km (0.089 R)
• M6: 3,805,919 km (0.101 R)
• M7: 6,063,950 km (0.108 R)
• M8: 6,926,082 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 90

Radius: 9.4

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 2.47 AU - 3.63 AU

Year: 2377 Days

Day: 12.5 Hours

Environment

Temp: -156 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 70,061,270 km

• M1: 118,930 km (0.102 R)
• M2: 554,859 km (0.091 R)
• M3: 958,324 km (0.087 R)
• M4: 1,899,893 km (0.055 R)
• M5: 2,525,960 km (0.079 R)
• M6: 2,918,804 km (0.091 R)
• M7: 3,421,602 km (0.029 R)
• M8: 3,798,140 km (0.113 R)
• M9: 4,365,116 km (0.071 R)
• M10: 4,808,973 km (0.087 R)
• M11: 5,358,297 km (0.086 R)
• M12: 6,302,409 km (0.117 R)
• M13: 8,058,239 km (0.053 R)
• M14: 8,543,834 km (0.03 R)
• M15: 8,994,722 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 239.9

Radius: 9.1

Gravity: 2.9 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 3.68 AU - 4.1 AU

Year: 3424 Days

Day: 11.8 Hours

Environment

Temp: -161 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 70,061,270 km

• M1: 113,545 km (0.08 R)
• M2: 526,285 km (0.108 R)
• M3: 918,232 km (0.066 R)
• M4: 1,236,726 km (0.115 R)
• M5: 1,670,260 km (0.051 R)
• M6: 2,317,271 km (0.114 R)
• M7: 2,786,111 km (0.082 R)
• M8: 4,560,790 km (0.118 R)
• M9: 4,899,031 km (0.08 R)
• M10: 5,208,549 km (0.059 R)
• M11: 5,697,585 km (0.085 R)
• M12: 6,958,246 km (0.112 R)
• M13: 7,757,098 km (0.099 R)
• M14: 8,178,964 km (0.094 R)
• M15: 8,775,860 km (0.113 R)
• M16: 9,881,089 km (0.078 R)
• M17: 11,076,675 km (0.029 R)
• M18: 11,457,402 km (0.1 R)
• M19: 12,942,161 km (0.063 R)
• M20: 13,579,298 km (0.076 R)
• M21: 16,436,468 km (0.107 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 82

Radius: 12.4

Gravity: 0.53 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 4.28 AU - 6.38 AU

Year: 5491 Days

Day: 8 Hours

Environment

Temp: -177 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 70,061,270 km

• M1: 373,845 km (0.098 R)
• M2: 935,884 km (0.109 R)
• M3: 1,741,618 km (0.089 R)
• M4: 2,749,758 km (0.068 R)
• M5: 3,767,473 km (0.032 R)
• M6: 4,189,638 km (0.073 R)
• M7: 5,397,491 km (0.076 R)
• M8: 6,459,337 km (0.1 R)
• M9: 6,878,360 km (0.056 R)
• M10: 7,427,684 km (0.103 R)
• M11: 9,551,525 km (0.061 R)
• M12: 11,627,644 km (0.118 R)
• M13: 14,294,376 km (0.049 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 985.7

Radius: 11.7

Gravity: 7.2 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 7.2 AU - 9.18 AU

Year: 10459 Days

Day: 6.1 Hours

Environment

Temp: -189 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 70,061,270 km

• M1: 145,559 km (0.061 R)
• M2: 603,927 km (0.087 R)
• M3: 1,111,662 km (0.076 R)
• M4: 1,677,291 km (0.065 R)
• M5: 2,331,333 km (0.092 R)
• M6: 3,319,128 km (0.064 R)
• M7: 4,006,530 km (0.053 R)
• M8: 4,850,561 km (0.089 R)
• M9: 5,384,027 km (0.074 R)
• M10: 6,648,279 km (0.115 R)
• M11: 8,238,804 km (0.052 R)
• M12: 9,247,392 km (0.093 R)
• M13: 13,463,659 km (0.065 R)
• M14: 14,860,903 km (0.102 R)
• M15: 15,418,005 km (0.101 R)
• M16: 15,988,871 km (0.074 R)
• M17: 16,499,897 km (0.102 R)
• M18: 18,098,650 km (0.063 R)
• M19: 18,895,258 km (0.118 R)
• M20: 25,932,043 km (0.075 R)
• M21: 33,937,923 km (0.079 R)
• M22: 37,529,169 km (0.114 R)
• M23: 42,887,615 km (0.109 R)
• M24: 44,733,354 km (0.087 R)
• M25: 45,895,131 km (0.098 R)
• M26: 47,976,636 km (0.119 R)
• M27: 49,501,487 km (0.106 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 64.2

Radius: 4.8

Gravity: 2.79 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 9.54 AU - 11.82 AU

Year: 15574 Days

Day: 25 Hours

Environment

Temp: -198 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 70,061,270 km

• M1: 62,981 km (0.103 R)
• M2: 314,904 km (0.109 R)
• M3: 478,564 km (0.112 R)
• M4: 1,599,201 km (0.105 R)
• M5: 2,580,713 km (0.113 R)
• M6: 3,090,692 km (0.109 R)
• M7: 4,455,473 km (0.072 R)
• M8: 4,811,666 km (0.068 R)
• M9: 7,534,946 km (0.087 R)
• M10: 9,361,386 km (0.112 R)
• M11: 15,747,869 km (0.066 R)
• M12: 26,952,749 km (0.119 R)

Planet 9 - Ice Giant

Semi-Major Axis: 13.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 407

Radius: 5.8

Gravity: 12.1 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 12.11 AU - 15.53 AU

Year: 22925 Days

Day: 23.2 Hours

Environment

Temp: -203 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 70,061,270 km

• M1: 73,153 km (0.107 R)
• M2: 260,151 km (0.112 R)
• M3: 466,895 km (0.117 R)
• M4: 1,027,588 km (0.079 R)
• M5: 1,274,125 km (0.099 R)
• M6: 1,608,476 km (0.099 R)
• M7: 2,896,514 km (0.063 R)
• M8: 3,177,010 km (0.089 R)
• M9: 3,503,582 km (0.081 R)
• M10: 3,973,469 km (0.068 R)
• M11: 4,860,584 km (0.086 R)
• M12: 6,752,100 km (0.11 R)
• M13: 7,525,670 km (0.108 R)
• M14: 8,056,743 km (0.065 R)
• M15: 8,306,272 km (0.068 R)
• M16: 9,632,009 km (0.114 R)
• M17: 10,669,919 km (0.068 R)
• M18: 14,666,874 km (0.056 R)
• M19: 16,833,351 km (0.087 R)
• M20: 18,765,557 km (0.119 R)
• M21: 22,964,320 km (0.08 R)
• M22: 23,975,602 km (0.107 R)
• M23: 26,195,485 km (0.117 R)
• M24: 32,024,416 km (0.072 R)
• M25: 37,682,058 km (0.079 R)
• M26: 45,527,419 km (0.032 R)
• M27: 49,080,369 km (0.095 R)
• M28: 50,585,622 km (0.099 R)
• M29: 51,435,189 km (0.064 R)
• M30: 58,575,794 km (0.117 R)
• M31: 59,889,712 km (0.113 R)
• M32: 61,994,106 km (0.104 R)
• M33: 68,188,505 km (0.063 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 538 - 17,143 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit