🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.96

Radius: 0.98

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.44 AU - 0.62 AU

Year: 142 Days

Day: 47.3 Hours

Environment

Temp: 168 °C

Axial Tilt: 32 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.2 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.54

Radius: 1.19

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.97 AU - 1.43 AU

Year: 485 Days

Day: 46.9 Hours

Environment

Temp: 2 °C

Axial Tilt: 42.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.5

Radius: 1.44

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 1.33 AU - 1.41 AU

Year: 592 Days

Day: 17.5 Hours

Environment

Temp: -35 °C

Axial Tilt: 32.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.18 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 4.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 716.3

Radius: 14.1

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 4.52 AU - 5.44 AU

Year: 4100 Days

Day: 11.2 Hours

Environment

Temp: -133 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 56,015,696 km

• M1: 175,329 km (0.104 R)
• M2: 644,168 km (0.084 R)
• M3: 1,280,408 km (0.103 R)
• M4: 1,869,973 km (0.117 R)
• M5: 2,590,138 km (0.07 R)
• M6: 3,237,597 km (0.066 R)
• M7: 4,079,833 km (0.114 R)
• M8: 5,194,188 km (0.079 R)
• M9: 7,501,585 km (0.077 R)
• M10: 10,008,546 km (0.09 R)
• M11: 11,429,726 km (0.064 R)
• M12: 13,228,491 km (0.118 R)
• M13: 17,985,703 km (0.076 R)
• M14: 18,603,991 km (0.071 R)
• M15: 20,411,133 km (0.087 R)
• M16: 23,119,902 km (0.107 R)
• M17: 25,669,798 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 363.8

Radius: 14.7

Gravity: 1.68 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 4.22 AU - 6.24 AU

Year: 4413 Days

Day: 6.5 Hours

Environment

Temp: -141 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 56,015,696 km

• M1: 182,809 km (0.066 R)
• M2: 767,437 km (0.092 R)
• M3: 1,359,695 km (0.08 R)
• M4: 2,455,799 km (0.096 R)
• M5: 3,248,817 km (0.079 R)
• M6: 4,719,813 km (0.065 R)
• M7: 6,005,607 km (0.041 R)
• M8: 6,775,437 km (0.119 R)
• M9: 7,450,572 km (0.086 R)
• M10: 7,969,527 km (0.037 R)
• M11: 9,044,089 km (0.091 R)
• M12: 9,560,202 km (0.11 R)
• M13: 10,213,196 km (0.114 R)
• M14: 10,692,059 km (0.032 R)
• M15: 11,227,769 km (0.103 R)
• M16: 12,577,890 km (0.063 R)
• M17: 14,082,545 km (0.068 R)
• M18: 14,626,633 km (0.045 R)
• M19: 15,287,706 km (0.08 R)
• M20: 16,615,088 km (0.051 R)
• M21: 21,510,528 km (0.086 R)
• M22: 22,299,507 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 724.3

Radius: 11.8

Gravity: 5.2 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 6.34 AU - 7.74 AU

Year: 6892 Days

Day: 5.5 Hours

Environment

Temp: -157 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 56,015,696 km

• M1: 146,756 km (0.107 R)
• M2: 639,381 km (0.085 R)
• M3: 1,244,953 km (0.065 R)
• M4: 1,802,056 km (0.115 R)
• M5: 2,180,389 km (0.111 R)
• M6: 3,628,347 km (0.063 R)
• M7: 4,062,181 km (0.1 R)
• M8: 4,476,716 km (0.084 R)
• M9: 5,670,208 km (0.113 R)
• M10: 6,461,282 km (0.063 R)
• M11: 7,028,557 km (0.072 R)
• M12: 9,061,592 km (0.098 R)
• M13: 9,591,916 km (0.05 R)
• M14: 10,096,211 km (0.11 R)
• M15: 12,669,294 km (0.097 R)
• M16: 13,673,545 km (0.089 R)
• M17: 17,950,847 km (0.058 R)
• M18: 19,872,132 km (0.065 R)
• M19: 22,803,353 km (0.069 R)
• M20: 23,952,265 km (0.088 R)
• M21: 27,447,918 km (0.12 R)
• M22: 37,309,260 km (0.045 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 297.6

Radius: 6.6

Gravity: 6.83 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 16.04 AU - 16.9 AU

Year: 24661 Days

Day: 19.7 Hours

Environment

Temp: -188 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 56,015,696 km

• M1: 85,420 km (0.05 R)
• M2: 348,114 km (0.078 R)
• M3: 749,037 km (0.097 R)
• M4: 1,663,080 km (0.101 R)
• M5: 2,615,120 km (0.093 R)
• M6: 2,895,467 km (0.086 R)
• M7: 3,977,957 km (0.069 R)
• M8: 4,677,028 km (0.105 R)
• M9: 7,265,071 km (0.058 R)
• M10: 7,539,583 km (0.11 R)
• M11: 9,935,393 km (0.054 R)
• M12: 10,914,212 km (0.103 R)
• M13: 11,705,136 km (0.083 R)
• M14: 16,789,369 km (0.069 R)
• M15: 22,978,383 km (0.1 R)
• M16: 24,991,671 km (0.093 R)
• M17: 33,211,625 km (0.061 R)
• M18: 38,199,517 km (0.115 R)
• M19: 38,613,454 km (0.094 R)
• M20: 42,473,379 km (0.103 R)
• M21: 47,055,113 km (0.077 R)
• M22: 57,727,425 km (0.062 R)
• M23: 61,803,817 km (0.062 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 130.4

Radius: 5.1

Gravity: 5.01 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 14.15 AU - 22.51 AU

Year: 28955 Days

Day: 20.8 Hours

Environment

Temp: -206 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 56,015,696 km

• M1: 66,272 km (0.106 R)
• M2: 559,646 km (0.096 R)
• M3: 1,046,886 km (0.031 R)
• M4: 1,372,411 km (0.111 R)
• M5: 3,306,412 km (0.09 R)
• M6: 3,725,585 km (0.116 R)
• M7: 4,797,305 km (0.1 R)
• M8: 5,162,024 km (0.106 R)
• M9: 5,474,085 km (0.082 R)
• M10: 9,732,389 km (0.086 R)
• M11: 10,425,326 km (0.097 R)
• M12: 11,265,168 km (0.118 R)
• M13: 11,554,790 km (0.109 R)
• M14: 13,855,156 km (0.11 R)
• M15: 31,253,538 km (0.092 R)
• M16: 31,940,641 km (0.106 R)
• M17: 33,822,283 km (0.08 R)
• M18: 37,162,804 km (0.045 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 337 - 16,713 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit