🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.74

Radius: 0.89

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.79 AU - 1.09 AU

Year: 319 Days

Day: 41.8 Hours

Environment

Temp: 163 °C

Axial Tilt: 3.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.22 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.37

Radius: 1.13

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 1.05 AU - 1.39 AU

Year: 471 Days

Day: 25.3 Hours

Environment

Temp: 27 °C

Axial Tilt: 47 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.97

Radius: 0.99

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 1.46 AU - 2.32 AU

Year: 909 Days

Day: 44 Hours

Environment

Temp: -53 °C

Axial Tilt: 19.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.78 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Terrestrial

Semi-Major Axis: 3.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.91

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 3.53 AU - 3.81 AU

Year: 2460 Days

Day: 36.4 Hours

Environment

Temp: -99 °C

Axial Tilt: 3.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.23 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 8.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 786.5

Radius: 12.4

Gravity: 5.12 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 7.51 AU - 10.07 AU

Year: 9117 Days

Day: 8.2 Hours

Environment

Temp: -170 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 70,133,380 km

• M1: 154,235 km (0.092 R)
• M2: 845,976 km (0.119 R)
• M3: 1,361,789 km (0.101 R)
• M4: 1,906,924 km (0.08 R)
• M5: 2,755,742 km (0.044 R)
• M6: 5,553,821 km (0.074 R)
• M7: 6,504,665 km (0.059 R)
• M8: 7,810,804 km (0.11 R)
• M9: 8,957,472 km (0.058 R)
• M10: 9,716,980 km (0.106 R)
• M11: 10,831,035 km (0.076 R)
• M12: 11,916,069 km (0.042 R)
• M13: 12,543,033 km (0.063 R)
• M14: 14,556,621 km (0.107 R)
• M15: 15,075,576 km (0.099 R)
• M16: 16,427,193 km (0.108 R)
• M17: 19,919,405 km (0.115 R)
• M18: 23,700,192 km (0.06 R)
• M19: 24,601,071 km (0.065 R)
• M20: 25,152,488 km (0.096 R)
• M21: 25,806,231 km (0.11 R)
• M22: 28,034,192 km (0.088 R)
• M23: 28,635,875 km (0.06 R)
• M24: 34,217,222 km (0.051 R)
• M25: 39,223,814 km (0.115 R)
• M26: 39,850,479 km (0.1 R)
• M27: 41,641,016 km (0.085 R)
• M28: 46,770,727 km (0.109 R)

Planet 6 - Ice Giant

Semi-Major Axis: 13.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 887.6

Radius: 4.3

Gravity: 48 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 11.65 AU - 15.25 AU

Year: 17257 Days

Day: 20.1 Hours

Environment

Temp: -171 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 70,133,380 km

• M1: 55,950 km (0.071 R)
• M2: 372,947 km (0.089 R)
• M3: 932,294 km (0.078 R)
• M4: 1,105,079 km (0.103 R)
• M5: 1,389,166 km (0.1 R)
• M6: 1,829,582 km (0.102 R)
• M7: 3,192,568 km (0.054 R)
• M8: 3,983,791 km (0.084 R)
• M9: 4,307,521 km (0.063 R)
• M10: 5,384,476 km (0.087 R)
• M11: 5,699,529 km (0.092 R)
• M12: 5,985,112 km (0.116 R)
• M13: 7,607,351 km (0.063 R)
• M14: 7,754,406 km (0.106 R)
• M15: 8,156,076 km (0.074 R)
• M16: 8,838,242 km (0.098 R)
• M17: 10,137,051 km (0.059 R)
• M18: 10,801,116 km (0.111 R)
• M19: 12,827,718 km (0.084 R)
• M20: 16,690,335 km (0.032 R)
• M21: 18,483,715 km (0.076 R)
• M22: 20,876,832 km (0.085 R)
• M23: 21,751,082 km (0.116 R)
• M24: 25,057,344 km (0.06 R)
• M25: 26,155,393 km (0.064 R)
• M26: 29,279,894 km (0.082 R)
• M27: 33,033,304 km (0.103 R)
• M28: 37,518,548 km (0.104 R)
• M29: 45,705,141 km (0.112 R)
• M30: 46,354,995 km (0.114 R)
• M31: 53,374,875 km (0.086 R)
• M32: 56,668,421 km (0.086 R)
• M33: 57,606,849 km (0.027 R)
• M34: 58,364,861 km (0.107 R)
• M35: 60,483,915 km (0.067 R)
• M36: 62,653,683 km (0.099 R)
• M37: 63,053,707 km (0.075 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 328.8

Radius: 5.9

Gravity: 9.45 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 16.37 AU - 18.57 AU

Year: 25546 Days

Day: 24.6 Hours

Environment

Temp: -183 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 70,133,380 km

• M1: 73,901 km (0.078 R)
• M2: 959,521 km (0.085 R)
• M3: 1,155,045 km (0.034 R)
• M4: 4,040,339 km (0.114 R)
• M5: 4,761,999 km (0.096 R)
• M6: 7,534,497 km (0.104 R)
• M7: 11,166,733 km (0.079 R)
• M8: 14,682,881 km (0.097 R)
• M9: 16,211,472 km (0.043 R)
• M10: 17,508,336 km (0.107 R)
• M11: 20,215,310 km (0.106 R)
• M12: 21,144,761 km (0.107 R)
• M13: 22,199,875 km (0.079 R)
• M14: 43,098,997 km (0.064 R)
• M15: 48,143,587 km (0.089 R)
• M16: 52,694,653 km (0.082 R)
• M17: 57,156,858 km (0.062 R)
• M18: 59,573,762 km (0.104 R)

Kuiper Belt

Range: 31.4 - 51.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 256 - 12,882 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit