🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.96 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.28

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.82 AU - 1.1 AU

Year: 351 Days

Day: 29.7 Hours

Environment

Temp: 17 °C

Axial Tilt: 0.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 75,308,408 km

• M1: 39,344 km (0.081 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.72

Radius: 1.49

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.87 AU - 1.09 AU

Year: 362 Days

Day: 47.8 Hours

Environment

Temp: 28 °C

Axial Tilt: 33.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Asteroid Belt

Center: 3.99 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 6.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 412.5

Radius: 8.5

Gravity: 5.71 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 6.91 AU - 7.07 AU

Year: 6889 Days

Day: 10.8 Hours

Environment

Temp: -170 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 75,308,408 km

• M1: 105,766 km (0.12 R)
• M2: 826,528 km (0.05 R)
• M3: 1,098,647 km (0.116 R)
• M4: 4,790,573 km (0.11 R)
• M5: 8,948,496 km (0.055 R)
• M6: 11,132,176 km (0.114 R)
• M7: 15,857,524 km (0.052 R)
• M8: 18,957,491 km (0.108 R)
• M9: 19,499,185 km (0.059 R)
• M10: 22,590,026 km (0.074 R)
• M11: 23,975,752 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 7.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 199.5

Radius: 9.6

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 5.39 AU - 8.69 AU

Year: 6963 Days

Day: 14.8 Hours

Environment

Temp: -165 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 75,308,408 km

• M1: 120,426 km (0.1 R)
• M2: 450,140 km (0.056 R)
• M3: 810,372 km (0.095 R)
• M4: 1,268,740 km (0.098 R)
• M5: 2,764,868 km (0.113 R)
• M6: 3,280,831 km (0.087 R)
• M7: 4,792,817 km (0.115 R)
• M8: 5,118,192 km (0.064 R)
• M9: 6,301,362 km (0.089 R)
• M10: 7,132,078 km (0.074 R)
• M11: 7,895,925 km (0.101 R)
• M12: 9,625,127 km (0.07 R)
• M13: 11,727,575 km (0.064 R)
• M14: 12,460,455 km (0.113 R)
• M15: 13,370,160 km (0.067 R)
• M16: 14,581,753 km (0.094 R)
• M17: 17,048,173 km (0.109 R)
• M18: 19,716,551 km (0.073 R)
• M19: 22,028,885 km (0.094 R)
• M20: 22,721,523 km (0.076 R)

Planet 5 - Gas Giant

Semi-Major Axis: 11.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 784.4

Radius: 12.2

Gravity: 5.27 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 8.43 AU - 13.93 AU

Year: 13935 Days

Day: 12.8 Hours

Environment

Temp: -179 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 75,308,408 km

• M1: 152,291 km (0.065 R)
• M2: 789,428 km (0.1 R)
• M3: 1,611,767 km (0.089 R)
• M4: 2,804,810 km (0.092 R)
• M5: 3,797,243 km (0.037 R)
• M6: 4,612,551 km (0.106 R)
• M7: 5,079,446 km (0.118 R)
• M8: 5,726,158 km (0.113 R)
• M9: 6,882,998 km (0.093 R)
• M10: 7,271,952 km (0.106 R)
• M11: 8,000,195 km (0.106 R)
• M12: 8,382,268 km (0.11 R)
• M13: 12,711,032 km (0.03 R)
• M14: 13,166,557 km (0.095 R)
• M15: 18,423,277 km (0.033 R)
• M16: 19,176,502 km (0.111 R)
• M17: 22,869,625 km (0.088 R)
• M18: 23,837,523 km (0.054 R)
• M19: 25,238,358 km (0.098 R)
• M20: 25,855,150 km (0.103 R)
• M21: 29,655,983 km (0.119 R)
• M22: 34,187,751 km (0.07 R)
• M23: 36,097,069 km (0.09 R)
• M24: 36,487,369 km (0.084 R)
• M25: 37,541,735 km (0.066 R)
• M26: 40,127,235 km (0.094 R)
• M27: 41,534,802 km (0.066 R)
• M28: 42,829,422 km (0.11 R)
• M29: 47,963,621 km (0.106 R)
• M30: 49,228,770 km (0.108 R)

Planet 6 - Ice Giant

Semi-Major Axis: 17.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 279.6

Radius: 6.5

Gravity: 6.62 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 16.16 AU - 18.44 AU

Year: 26824 Days

Day: 17.1 Hours

Environment

Temp: -191 °C

Axial Tilt: 43.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 75,308,408 km

• M1: 84,373 km (0.105 R)
• M2: 336,146 km (0.08 R)
• M3: 743,352 km (0.103 R)
• M4: 4,771,723 km (0.101 R)
• M5: 5,608,424 km (0.086 R)
• M6: 7,382,505 km (0.072 R)
• M7: 8,599,783 km (0.069 R)
• M8: 10,115,808 km (0.041 R)
• M9: 10,817,123 km (0.057 R)
• M10: 14,233,789 km (0.097 R)
• M11: 20,243,733 km (0.044 R)
• M12: 20,517,797 km (0.083 R)
• M13: 22,021,704 km (0.081 R)
• M14: 25,247,483 km (0.101 R)
• M15: 26,425,267 km (0.117 R)
• M16: 34,271,376 km (0.1 R)
• M17: 34,922,127 km (0.115 R)
• M18: 35,448,711 km (0.088 R)
• M19: 36,114,422 km (0.11 R)
• M20: 38,860,440 km (0.094 R)
• M21: 43,842,648 km (0.049 R)
• M22: 60,551,085 km (0.115 R)
• M23: 63,628,612 km (0.053 R)

Planet 7 - Ice Giant

Semi-Major Axis: 18.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 263.1

Radius: 3.7

Gravity: 19.22 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 17.08 AU - 19.22 AU

Year: 28825 Days

Day: 24.2 Hours

Environment

Temp: -198 °C

Axial Tilt: 138.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 75,308,408 km

• M1: 46,974 km (0.106 R)
• M2: 417,528 km (0.115 R)
• M3: 746,942 km (0.117 R)
• M4: 892,950 km (0.105 R)
• M5: 1,161,179 km (0.072 R)
• M6: 1,496,727 km (0.035 R)
• M7: 1,969,306 km (0.117 R)
• M8: 2,356,914 km (0.066 R)
• M9: 4,871,206 km (0.095 R)
• M10: 6,302,708 km (0.081 R)
• M11: 7,182,792 km (0.1 R)
• M12: 7,604,209 km (0.111 R)
• M13: 9,678,982 km (0.114 R)
• M14: 9,962,321 km (0.065 R)
• M15: 12,365,012 km (0.055 R)
• M16: 12,631,296 km (0.116 R)
• M17: 13,106,718 km (0.09 R)
• M18: 13,735,179 km (0.095 R)
• M19: 15,279,328 km (0.104 R)
• M20: 16,611,198 km (0.056 R)
• M21: 17,099,186 km (0.066 R)
• M22: 17,933,643 km (0.089 R)
• M23: 19,235,593 km (0.087 R)
• M24: 20,785,876 km (0.087 R)
• M25: 23,314,828 km (0.07 R)
• M26: 25,824,482 km (0.104 R)
• M27: 30,639,439 km (0.083 R)
• M28: 37,803,980 km (0.093 R)
• M29: 38,930,901 km (0.105 R)
• M30: 39,790,790 km (0.106 R)
• M31: 39,935,301 km (0.101 R)
• M32: 48,434,854 km (0.064 R)
• M33: 49,429,231 km (0.101 R)
• M34: 54,072,001 km (0.076 R)
• M35: 58,063,422 km (0.089 R)
• M36: 66,830,306 km (0.037 R)
• M37: 68,475,882 km (0.083 R)
• M38: 70,359,170 km (0.12 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 265.5

Radius: 8

Gravity: 4.15 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 18 AU - 20.62 AU

Year: 31632 Days

Day: 15.2 Hours

Environment

Temp: -206 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 75,308,408 km

• M1: 99,483 km (0.072 R)
• M2: 967,599 km (0.082 R)
• M3: 1,563,447 km (0.094 R)
• M4: 4,840,987 km (0.064 R)
• M5: 6,037,471 km (0.085 R)
• M6: 10,253,139 km (0.114 R)
• M7: 10,858,561 km (0.087 R)
• M8: 11,359,864 km (0.045 R)
• M9: 12,207,336 km (0.101 R)
• M10: 14,697,841 km (0.12 R)
• M11: 19,356,618 km (0.08 R)
• M12: 20,000,487 km (0.037 R)
• M13: 26,006,842 km (0.1 R)
• M14: 28,288,209 km (0.109 R)
• M15: 33,638,428 km (0.1 R)
• M16: 34,837,754 km (0.109 R)
• M17: 37,888,952 km (0.079 R)
• M18: 38,606,423 km (0.097 R)
• M19: 52,762,870 km (0.036 R)
• M20: 63,367,713 km (0.081 R)
• M21: 70,668,987 km (0.116 R)
• M22: 71,755,815 km (0.09 R)
• M23: 72,633,207 km (0.05 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 381 - 19,232 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit