🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.93

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.39 AU - 0.61 AU

Year: 125 Days

Day: 43.5 Hours

Environment

Temp: 242 °C

Axial Tilt: 45.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.13

Radius: 1.05

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 0.67 AU - 0.73 AU

Year: 208 Days

Day: 15 Hours

Environment

Temp: 149 °C

Axial Tilt: 41.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.59

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.56 AU - 0.9 AU

Year: 221 Days

Day: 33.4 Hours

Environment

Temp: 191 °C

Axial Tilt: 39.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Asteroid Belt

Center: 2.08 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Terrestrial

Semi-Major Axis: 3.43 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.12

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 2.74 AU - 4.12 AU

Year: 2254 Days

Day: 18.8 Hours

Environment

Temp: -102 °C

Axial Tilt: 48.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.92

Radius: 1.3

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 3.8 AU - 4.56 AU

Year: 3032 Days

Day: 38.8 Hours

Environment

Temp: -129 °C

Axial Tilt: 8.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 7.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 440

Radius: 8.5

Gravity: 6.09 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 5.39 AU - 8.73 AU

Year: 6655 Days

Day: 6.8 Hours

Environment

Temp: -148 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 87,281,303 km

• M1: 105,766 km (0.084 R)
• M2: 856,298 km (0.045 R)
• M3: 1,224,608 km (0.116 R)
• M4: 2,383,992 km (0.078 R)
• M5: 2,691,864 km (0.051 R)
• M6: 4,397,280 km (0.051 R)
• M7: 4,971,137 km (0.082 R)
• M8: 6,110,026 km (0.116 R)
• M9: 9,015,964 km (0.036 R)
• M10: 9,640,236 km (0.101 R)
• M11: 11,542,074 km (0.118 R)
• M12: 20,299,833 km (0.105 R)
• M13: 23,010,097 km (0.117 R)
• M14: 26,368,719 km (0.043 R)
• M15: 27,299,517 km (0.12 R)
• M16: 30,684,019 km (0.096 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 464

Radius: 9

Gravity: 5.73 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 6.66 AU - 9.36 AU

Year: 8042 Days

Day: 5.3 Hours

Environment

Temp: -155 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 87,281,303 km

• M1: 114,742 km (0.063 R)
• M2: 462,706 km (0.095 R)
• M3: 749,785 km (0.091 R)
• M4: 1,182,721 km (0.067 R)
• M5: 1,563,747 km (0.101 R)
• M6: 2,365,741 km (0.103 R)
• M7: 2,781,623 km (0.114 R)
• M8: 3,140,807 km (0.105 R)
• M9: 3,904,205 km (0.116 R)
• M10: 4,408,051 km (0.118 R)
• M11: 5,215,131 km (0.115 R)
• M12: 6,554,182 km (0.108 R)
• M13: 7,229,915 km (0.099 R)
• M14: 7,528,064 km (0.119 R)
• M15: 7,873,186 km (0.1 R)
• M16: 9,987,303 km (0.109 R)
• M17: 10,498,779 km (0.091 R)
• M18: 11,675,515 km (0.111 R)
• M19: 11,982,939 km (0.072 R)
• M20: 12,295,748 km (0.082 R)
• M21: 13,602,037 km (0.06 R)
• M22: 14,172,753 km (0.112 R)
• M23: 15,058,671 km (0.113 R)
• M24: 17,137,184 km (0.114 R)
• M25: 18,142,332 km (0.077 R)
• M26: 19,471,360 km (0.081 R)
• M27: 19,904,146 km (0.107 R)
• M28: 21,393,543 km (0.118 R)
• M29: 21,932,095 km (0.107 R)
• M30: 24,929,438 km (0.112 R)
• M31: 26,044,241 km (0.08 R)
• M32: 31,130,868 km (0.064 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 709.2

Radius: 10.7

Gravity: 6.19 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 7.06 AU - 9.82 AU

Year: 8699 Days

Day: 8.1 Hours

Environment

Temp: -163 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 87,281,303 km

• M1: 145,708 km (0.12 R)
• M2: 595,848 km (0.066 R)
• M3: 962,214 km (0.119 R)
• M4: 1,358,498 km (0.118 R)
• M5: 2,154,359 km (0.107 R)
• M6: 3,147,090 km (0.056 R)
• M7: 4,147,451 km (0.059 R)
• M8: 6,115,411 km (0.086 R)
• M9: 7,031,549 km (0.114 R)
• M10: 7,583,116 km (0.074 R)
• M11: 8,639,875 km (0.066 R)
• M12: 10,734,246 km (0.099 R)
• M13: 11,148,632 km (0.092 R)
• M14: 13,501,806 km (0.112 R)
• M15: 14,479,728 km (0.109 R)
• M16: 15,635,371 km (0.11 R)
• M17: 17,912,400 km (0.075 R)
• M18: 19,395,364 km (0.037 R)
• M19: 22,101,739 km (0.065 R)
• M20: 22,943,377 km (0.087 R)
• M21: 24,069,250 km (0.12 R)
• M22: 25,688,348 km (0.117 R)
• M23: 26,997,030 km (0.072 R)
• M24: 30,565,837 km (0.083 R)
• M25: 32,894,926 km (0.074 R)
• M26: 34,214,080 km (0.06 R)
• M27: 34,661,527 km (0.08 R)
• M28: 36,957,556 km (0.08 R)
• M29: 38,987,449 km (0.101 R)
• M30: 41,090,496 km (0.099 R)

Planet 9 - Gas Giant

Semi-Major Axis: 8.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 177.2

Radius: 15

Gravity: 0.79 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 8.12 AU - 9.66 AU

Year: 9404 Days

Day: 10.4 Hours

Environment

Temp: -160 °C

Axial Tilt: 43.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 87,281,303 km

• M1: 186,549 km (0.074 R)
• M2: 710,440 km (0.111 R)
• M3: 1,301,352 km (0.09 R)
• M4: 2,375,614 km (0.093 R)
• M5: 2,894,270 km (0.118 R)
• M6: 3,762,386 km (0.079 R)
• M7: 4,353,448 km (0.09 R)
• M8: 6,830,639 km (0.101 R)
• M9: 8,409,345 km (0.077 R)
• M10: 13,536,363 km (0.094 R)
• M11: 19,367,539 km (0.076 R)
• M12: 25,397,530 km (0.079 R)
• M13: 27,517,780 km (0.086 R)

Planet 10 - Ice Giant

Semi-Major Axis: 17.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 614.2

Radius: 7.3

Gravity: 11.53 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 15.18 AU - 19.8 AU

Year: 25949 Days

Day: 17.2 Hours

Environment

Temp: -187 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 87,281,303 km

• M1: 104,569 km (0.077 R)
• M2: 362,176 km (0.036 R)
• M3: 660,923 km (0.058 R)
• M4: 1,750,445 km (0.094 R)
• M5: 2,130,423 km (0.116 R)
• M6: 2,540,321 km (0.102 R)
• M7: 3,797,093 km (0.09 R)
• M8: 4,158,671 km (0.039 R)
• M9: 5,629,218 km (0.1 R)
• M10: 7,071,491 km (0.077 R)
• M11: 8,800,843 km (0.098 R)
• M12: 12,139,568 km (0.109 R)
• M13: 12,925,106 km (0.073 R)
• M14: 13,820,150 km (0.086 R)
• M15: 15,567,454 km (0.057 R)
• M16: 18,642,887 km (0.092 R)
• M17: 19,018,228 km (0.1 R)
• M18: 23,270,248 km (0.112 R)
• M19: 23,925,187 km (0.069 R)
• M20: 25,616,242 km (0.114 R)
• M21: 27,870,682 km (0.119 R)
• M22: 29,360,826 km (0.106 R)
• M23: 30,125,421 km (0.093 R)
• M24: 32,770,311 km (0.069 R)
• M25: 33,454,871 km (0.119 R)
• M26: 37,021,583 km (0.082 R)
• M27: 42,107,013 km (0.11 R)
• M28: 61,557,429 km (0.115 R)
• M29: 68,651,360 km (0.045 R)
• M30: 73,905,387 km (0.118 R)
• M31: 84,179,919 km (0.119 R)

Kuiper Belt

Range: 30.9 - 52.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 547 - 17,886 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit