🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.82

Radius: 1.88

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 0.53 AU - 0.57 AU

Year: 268 Days

Day: 44.9 Hours

Environment

Temp: -113 °C

Axial Tilt: 68.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.99 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 847.1

Radius: 10.3

Gravity: 7.98 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 1.4 AU - 1.44 AU

Year: 1110 Days

Day: 7.6 Hours

Environment

Temp: -167 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 75,213,442 km

• M1: 128,205 km (0.086 R)
• M2: 542,891 km (0.11 R)
• M3: 1,049,728 km (0.067 R)
• M4: 1,452,745 km (0.07 R)
• M5: 2,835,927 km (0.117 R)
• M6: 3,371,338 km (0.111 R)
• M7: 4,910,999 km (0.086 R)
• M8: 5,557,710 km (0.043 R)
• M9: 6,214,744 km (0.063 R)
• M10: 6,801,168 km (0.074 R)
• M11: 9,462,065 km (0.1 R)
• M12: 10,757,583 km (0.112 R)
• M13: 11,848,151 km (0.037 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 499.3

Radius: 13.3

Gravity: 2.82 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 1.98 AU - 2.9 AU

Year: 2500 Days

Day: 7 Hours

Environment

Temp: -186 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 75,213,442 km

• M1: 165,455 km (0.119 R)
• M2: 614,099 km (0.087 R)
• M3: 1,073,963 km (0.091 R)
• M4: 1,522,906 km (0.119 R)
• M5: 1,948,363 km (0.063 R)
• M6: 2,441,138 km (0.053 R)
• M7: 2,895,018 km (0.12 R)
• M8: 3,827,761 km (0.046 R)
• M9: 5,039,952 km (0.093 R)
• M10: 5,857,355 km (0.091 R)
• M11: 7,347,051 km (0.075 R)
• M12: 8,398,724 km (0.116 R)
• M13: 9,377,842 km (0.056 R)
• M14: 11,878,221 km (0.055 R)
• M15: 13,239,561 km (0.054 R)
• M16: 14,293,179 km (0.117 R)
• M17: 15,977,352 km (0.091 R)
• M18: 16,567,216 km (0.095 R)
• M19: 17,069,865 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 715.1

Radius: 12.9

Gravity: 4.3 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 4.51 AU - 5.31 AU

Year: 7137 Days

Day: 8.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 75,213,442 km

• M1: 160,519 km (0.028 R)
• M2: 743,202 km (0.101 R)
• M3: 1,488,050 km (0.106 R)
• M4: 1,920,089 km (0.082 R)
• M5: 2,367,386 km (0.098 R)
• M6: 2,825,904 km (0.106 R)
• M7: 4,794,462 km (0.112 R)
• M8: 5,820,853 km (0.093 R)
• M9: 7,322,517 km (0.12 R)
• M10: 9,602,239 km (0.073 R)
• M11: 10,732,301 km (0.06 R)
• M12: 11,585,009 km (0.107 R)
• M13: 12,054,447 km (0.098 R)
• M14: 12,809,916 km (0.086 R)
• M15: 13,596,801 km (0.068 R)
• M16: 14,535,228 km (0.074 R)
• M17: 21,096,142 km (0.079 R)
• M18: 21,876,295 km (0.094 R)
• M19: 26,695,590 km (0.081 R)
• M20: 27,886,240 km (0.107 R)
• M21: 28,731,169 km (0.083 R)
• M22: 30,868,174 km (0.11 R)
• M23: 33,528,174 km (0.093 R)
• M24: 33,950,489 km (0.064 R)
• M25: 35,022,058 km (0.063 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 459.2

Radius: 6.8

Gravity: 9.93 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 5.59 AU - 8.79 AU

Year: 12647 Days

Day: 23.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 75,213,442 km

• M1: 84,672 km (0.064 R)
• M2: 321,037 km (0.115 R)
• M3: 557,850 km (0.117 R)
• M4: 831,615 km (0.103 R)
• M5: 1,218,325 km (0.114 R)
• M6: 1,460,524 km (0.117 R)
• M7: 2,879,460 km (0.105 R)
• M8: 3,687,288 km (0.096 R)
• M9: 5,137,041 km (0.074 R)
• M10: 5,776,423 km (0.096 R)
• M11: 6,243,467 km (0.11 R)
• M12: 7,050,847 km (0.093 R)
• M13: 7,668,836 km (0.093 R)
• M14: 10,092,321 km (0.117 R)
• M15: 10,349,330 km (0.11 R)
• M16: 11,366,147 km (0.081 R)
• M17: 13,165,809 km (0.084 R)
• M18: 13,472,784 km (0.117 R)
• M19: 15,147,233 km (0.065 R)
• M20: 19,294,385 km (0.115 R)
• M21: 19,770,705 km (0.092 R)
• M22: 20,417,865 km (0.081 R)
• M23: 24,323,866 km (0.097 R)
• M24: 24,786,422 km (0.114 R)
• M25: 29,425,452 km (0.108 R)
• M26: 31,893,069 km (0.056 R)
• M27: 33,120,669 km (0.038 R)
• M28: 38,471,486 km (0.119 R)
• M29: 41,679,463 km (0.118 R)
• M30: 47,750,743 km (0.111 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 710

Radius: 6.3

Gravity: 17.89 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 6.21 AU - 9.67 AU

Year: 14677 Days

Day: 22.4 Hours

Environment

Temp: -235 °C

Axial Tilt: 49.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 75,213,442 km

• M1: 82,728 km (0.062 R)
• M2: 849,566 km (0.114 R)
• M3: 2,388,779 km (0.102 R)
• M4: 4,550,468 km (0.075 R)
• M5: 5,018,560 km (0.112 R)
• M6: 7,041,572 km (0.105 R)
• M7: 10,488,606 km (0.085 R)
• M8: 10,717,341 km (0.11 R)
• M9: 11,244,374 km (0.104 R)
• M10: 11,544,468 km (0.067 R)
• M11: 16,099,573 km (0.09 R)
• M12: 18,981,726 km (0.095 R)
• M13: 19,407,481 km (0.107 R)
• M14: 20,277,991 km (0.101 R)
• M15: 23,238,683 km (0.084 R)
• M16: 24,021,528 km (0.112 R)
• M17: 24,419,459 km (0.039 R)
• M18: 28,532,951 km (0.11 R)
• M19: 42,428,649 km (0.108 R)
• M20: 45,087,003 km (0.11 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 946.9

Radius: 3.7

Gravity: 69.17 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 7.14 AU - 10.18 AU

Year: 16718 Days

Day: 21.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 75,213,442 km

• M1: 51,611 km (0.102 R)
• M2: 239,357 km (0.064 R)
• M3: 448,794 km (0.092 R)
• M4: 620,682 km (0.076 R)
• M5: 984,653 km (0.075 R)
• M6: 1,367,175 km (0.073 R)
• M7: 1,678,488 km (0.055 R)
• M8: 2,307,098 km (0.097 R)
• M9: 3,671,281 km (0.071 R)
• M10: 4,041,686 km (0.097 R)
• M11: 4,236,013 km (0.075 R)
• M12: 6,276,079 km (0.062 R)
• M13: 8,307,020 km (0.094 R)
• M14: 8,727,989 km (0.086 R)
• M15: 8,998,162 km (0.113 R)
• M16: 11,427,781 km (0.109 R)
• M17: 13,105,671 km (0.075 R)
• M18: 19,292,441 km (0.114 R)
• M19: 27,985,423 km (0.075 R)
• M20: 34,899,986 km (0.077 R)
• M21: 35,854,271 km (0.1 R)
• M22: 39,845,243 km (0.098 R)
• M23: 40,587,847 km (0.118 R)
• M24: 46,371,301 km (0.108 R)
• M25: 50,402,365 km (0.049 R)
• M26: 54,660,668 km (0.116 R)
• M27: 58,197,012 km (0.103 R)
• M28: 63,480,510 km (0.061 R)
• M29: 68,649,266 km (0.075 R)
• M30: 69,715,600 km (0.033 R)
• M31: 74,314,986 km (0.083 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 491 - 12,688 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit