🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.26

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.42 AU - 0.58 AU

Year: 225 Days

Day: 28.5 Hours

Environment

Temp: -109 °C

Axial Tilt: 34.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 37,791,484 km

• M1: 57,446 km (0.065 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.27

Radius: 1.1

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.53 AU - 0.67 AU

Year: 296 Days

Day: 25.3 Hours

Environment

Temp: -128 °C

Axial Tilt: 170.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 37,791,484 km

• M1: 74,649 km (0.067 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 321.1

Radius: 14.4

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 0.74 AU - 0.76 AU

Year: 413 Days

Day: 6.6 Hours

Environment

Temp: -133 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 37,791,484 km

• M1: 179,368 km (0.046 R)
• M2: 782,846 km (0.099 R)
• M3: 1,463,217 km (0.117 R)
• M4: 2,236,638 km (0.068 R)
• M5: 3,492,961 km (0.039 R)
• M6: 4,087,911 km (0.089 R)

Asteroid Belt

Center: 2.1 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 3.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 53.6

Radius: 8.4

Gravity: 0.76 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 2.67 AU - 4.23 AU

Year: 4074 Days

Day: 9.3 Hours

Environment

Temp: -215 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 37,791,484 km

• M1: 179,817 km (0.081 R)
• M2: 813,513 km (0.053 R)
• M3: 1,128,566 km (0.113 R)
• M4: 1,567,935 km (0.102 R)
• M5: 2,869,287 km (0.072 R)
• M6: 3,343,064 km (0.109 R)
• M7: 11,267,562 km (0.043 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 675.6

Radius: 8.4

Gravity: 9.57 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 4.93 AU - 6.51 AU

Year: 8698 Days

Day: 10.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 37,791,484 km

• M1: 104,419 km (0.102 R)
• M2: 977,323 km (0.06 R)
• M3: 2,144,934 km (0.095 R)
• M4: 2,410,022 km (0.119 R)
• M5: 2,838,769 km (0.116 R)
• M6: 3,824,320 km (0.115 R)
• M7: 4,326,071 km (0.105 R)
• M8: 5,624,132 km (0.084 R)
• M9: 6,598,164 km (0.086 R)
• M10: 8,052,405 km (0.086 R)
• M11: 8,921,867 km (0.103 R)
• M12: 10,795,282 km (0.085 R)
• M13: 11,580,970 km (0.059 R)
• M14: 12,460,605 km (0.07 R)
• M15: 14,917,301 km (0.091 R)
• M16: 19,294,236 km (0.084 R)
• M17: 19,598,069 km (0.106 R)
• M18: 21,896,940 km (0.115 R)
• M19: 24,281,679 km (0.111 R)
• M20: 25,719,315 km (0.045 R)
• M21: 27,212,900 km (0.087 R)
• M22: 29,964,454 km (0.098 R)
• M23: 30,371,958 km (0.03 R)
• M24: 32,145,890 km (0.11 R)
• M25: 34,542,597 km (0.055 R)
• M26: 35,216,386 km (0.032 R)
• M27: 39,933,955 km (0.047 R)
• M28: 40,303,910 km (0.093 R)
• M29: 41,050,703 km (0.09 R)
• M30: 41,427,540 km (0.067 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 215.9

Radius: 6

Gravity: 6 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 5.34 AU - 8.2 AU

Year: 11200 Days

Day: 18.2 Hours

Environment

Temp: -233 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 37,791,484 km

• M1: 76,744 km (0.041 R)
• M2: 474,524 km (0.116 R)
• M3: 837,000 km (0.03 R)
• M4: 1,324,839 km (0.065 R)
• M5: 1,767,648 km (0.036 R)
• M6: 2,372,323 km (0.105 R)
• M7: 2,638,607 km (0.036 R)
• M8: 2,964,282 km (0.057 R)
• M9: 3,469,474 km (0.117 R)
• M10: 3,884,608 km (0.074 R)
• M11: 4,358,384 km (0.11 R)
• M12: 5,726,307 km (0.11 R)
• M13: 6,679,096 km (0.072 R)
• M14: 8,604,271 km (0.067 R)
• M15: 9,105,873 km (0.076 R)
• M16: 11,210,565 km (0.113 R)
• M17: 16,669,990 km (0.065 R)
• M18: 17,914,195 km (0.108 R)
• M19: 19,008,953 km (0.059 R)
• M20: 30,268,436 km (0.03 R)
• M21: 32,512,554 km (0.088 R)
• M22: 32,913,776 km (0.109 R)
• M23: 33,828,866 km (0.099 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 116.9

Radius: 3.9

Gravity: 7.69 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 5.34 AU - 8.28 AU

Year: 11299 Days

Day: 20.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 37,791,484 km

• M1: 64,925 km (0.096 R)
• M2: 200,162 km (0.104 R)
• M3: 346,768 km (0.117 R)
• M4: 1,102,237 km (0.1 R)
• M5: 1,717,533 km (0.072 R)
• M6: 2,501,426 km (0.095 R)
• M7: 3,394,824 km (0.055 R)
• M8: 5,842,844 km (0.109 R)
• M9: 8,066,317 km (0.103 R)
• M10: 8,593,051 km (0.11 R)
• M11: 17,483,653 km (0.088 R)
• M12: 20,211,420 km (0.089 R)
• M13: 21,675,983 km (0.097 R)
• M14: 23,509,904 km (0.089 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 784.1

Radius: 5.3

Gravity: 27.91 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 6.16 AU - 8.08 AU

Year: 12080 Days

Day: 20.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 37,791,484 km

• M1: 65,973 km (0.089 R)
• M2: 250,128 km (0.073 R)
• M3: 584,479 km (0.115 R)
• M4: 1,147,116 km (0.088 R)
• M5: 1,661,883 km (0.115 R)
• M6: 5,740,669 km (0.084 R)
• M7: 9,672,400 km (0.054 R)
• M8: 10,366,085 km (0.082 R)
• M9: 12,152,882 km (0.084 R)
• M10: 13,604,281 km (0.03 R)
• M11: 15,308,949 km (0.095 R)
• M12: 21,004,588 km (0.063 R)
• M13: 24,319,527 km (0.098 R)
• M14: 30,254,823 km (0.076 R)
• M15: 31,616,463 km (0.093 R)
• M16: 36,323,709 km (0.072 R)
• M17: 41,339,427 km (0.088 R)
• M18: 49,387,493 km (0.046 R)
• M19: 50,010,568 km (0.068 R)
• M20: 55,519,211 km (0.119 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 119.4

Radius: 7.7

Gravity: 2.01 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 7.98 AU - 9.74 AU

Year: 16768 Days

Day: 19.1 Hours

Environment

Temp: -234 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 37,791,484 km

• M1: 95,743 km (0.058 R)
• M2: 896,989 km (0.099 R)
• M3: 1,262,756 km (0.07 R)
• M4: 1,753,885 km (0.084 R)
• M5: 2,164,232 km (0.085 R)
• M6: 2,599,861 km (0.066 R)
• M7: 2,969,069 km (0.107 R)
• M8: 3,263,178 km (0.078 R)
• M9: 4,503,494 km (0.112 R)
• M10: 4,864,474 km (0.076 R)
• M11: 5,214,683 km (0.093 R)
• M12: 6,680,293 km (0.08 R)
• M13: 7,076,727 km (0.099 R)
• M14: 7,720,148 km (0.118 R)
• M15: 9,839,202 km (0.06 R)
• M16: 12,211,824 km (0.08 R)
• M17: 13,304,487 km (0.112 R)
• M18: 13,932,349 km (0.086 R)
• M19: 16,708,736 km (0.12 R)
• M20: 17,847,026 km (0.037 R)
• M21: 18,122,286 km (0.111 R)
• M22: 22,518,070 km (0.043 R)
• M23: 22,920,339 km (0.065 R)
• M24: 26,670,009 km (0.108 R)
• M25: 28,878,373 km (0.117 R)
• M26: 33,655,332 km (0.066 R)
• M27: 34,819,802 km (0.029 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 381 - 14,001 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit