🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.64

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.54 AU - 0.8 AU

Year: 192 Days

Day: 36.7 Hours

Environment

Temp: 208 °C

Axial Tilt: 13.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 31,681,965 km

• M1: 43,234 km (0.068 R)
• M2: 95,892 km (0.092 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.03

Radius: 1.01

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 0.7 AU - 0.76 AU

Year: 218 Days

Day: 29.3 Hours

Environment

Temp: 138 °C

Axial Tilt: 38.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.87

Radius: 1.52

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 1.39 AU - 2.23 AU

Year: 852 Days

Day: 27.9 Hours

Environment

Temp: -37 °C

Axial Tilt: 13.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.64 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Terrestrial

Semi-Major Axis: 3.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.52

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 2.74 AU - 4.18 AU

Year: 2252 Days

Day: 37.3 Hours

Environment

Temp: -111 °C

Axial Tilt: 33 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.63 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 7.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 806.4

Radius: 13.7

Gravity: 4.3 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 6.82 AU - 8.78 AU

Year: 7621 Days

Day: 10.1 Hours

Environment

Temp: -150 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 31,681,965 km

• M1: 172,486 km (0.11 R)
• M2: 944,262 km (0.098 R)
• M3: 3,399,013 km (0.046 R)
• M4: 4,002,940 km (0.107 R)
• M5: 4,706,349 km (0.103 R)
• M6: 5,333,463 km (0.063 R)
• M7: 6,467,266 km (0.102 R)
• M8: 7,877,375 km (0.051 R)
• M9: 12,261,789 km (0.067 R)
• M10: 15,868,295 km (0.098 R)
• M11: 17,490,983 km (0.105 R)
• M12: 19,073,280 km (0.082 R)
• M13: 20,670,985 km (0.101 R)
• M14: 25,998,913 km (0.119 R)
• M15: 26,828,134 km (0.046 R)
• M16: 29,719,861 km (0.036 R)
• M17: 36,002,224 km (0.115 R)
• M18: 38,082,232 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 10.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 552.7

Radius: 14.4

Gravity: 2.67 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 8.33 AU - 12.71 AU

Year: 11937 Days

Day: 14.7 Hours

Environment

Temp: -163 °C

Axial Tilt: 48.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 31,681,965 km

• M1: 180,116 km (0.079 R)
• M2: 635,941 km (0.113 R)
• M3: 1,089,372 km (0.12 R)
• M4: 1,598,752 km (0.113 R)
• M5: 2,474,798 km (0.047 R)
• M6: 3,034,443 km (0.069 R)
• M7: 4,047,370 km (0.112 R)
• M8: 5,049,377 km (0.07 R)
• M9: 6,623,147 km (0.082 R)
• M10: 8,101,772 km (0.078 R)
• M11: 11,874,780 km (0.114 R)
• M12: 15,228,016 km (0.116 R)
• M13: 17,048,921 km (0.117 R)
• M14: 18,932,807 km (0.096 R)
• M15: 22,580,003 km (0.118 R)
• M16: 26,183,667 km (0.067 R)
• M17: 26,967,709 km (0.117 R)
• M18: 30,261,256 km (0.118 R)
• M19: 34,045,184 km (0.082 R)
• M20: 37,884,763 km (0.099 R)
• M21: 39,523,907 km (0.104 R)
• M22: 41,473,466 km (0.074 R)
• M23: 42,673,541 km (0.099 R)
• M24: 50,215,068 km (0.027 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 877.8

Radius: 7.7

Gravity: 14.81 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 13.02 AU - 14.8 AU

Year: 18150 Days

Day: 18.6 Hours

Environment

Temp: -177 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 31,681,965 km

• M1: 95,743 km (0.109 R)
• M2: 372,798 km (0.048 R)
• M3: 1,024,895 km (0.037 R)
• M4: 1,319,304 km (0.112 R)
• M5: 3,328,403 km (0.092 R)
• M6: 4,208,637 km (0.103 R)
• M7: 4,476,716 km (0.108 R)
• M8: 5,047,432 km (0.114 R)
• M9: 5,828,034 km (0.113 R)
• M10: 6,552,536 km (0.107 R)
• M11: 7,099,317 km (0.111 R)
• M12: 8,077,387 km (0.066 R)
• M13: 11,037,630 km (0.101 R)
• M14: 11,811,201 km (0.112 R)
• M15: 12,414,678 km (0.054 R)
• M16: 12,898,179 km (0.028 R)
• M17: 13,394,245 km (0.12 R)
• M18: 16,641,267 km (0.108 R)
• M19: 17,059,692 km (0.118 R)
• M20: 19,442,038 km (0.081 R)
• M21: 19,812,892 km (0.081 R)
• M22: 23,785,313 km (0.076 R)
• M23: 24,103,059 km (0.09 R)
• M24: 24,531,059 km (0.05 R)
• M25: 29,947,549 km (0.1 R)
• M26: 41,825,919 km (0.114 R)
• M27: 54,823,730 km (0.104 R)
• M28: 55,378,439 km (0.074 R)
• M29: 58,208,083 km (0.059 R)
• M30: 59,366,419 km (0.094 R)
• M31: 61,331,088 km (0.089 R)
• M32: 62,933,580 km (0.068 R)
• M33: 67,061,883 km (0.086 R)
• M34: 75,168,442 km (0.116 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 257.6

Radius: 6.1

Gravity: 6.92 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 13.53 AU - 21.15 AU

Year: 25261 Days

Day: 23.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 31,681,965 km

• M1: 75,996 km (0.065 R)
• M2: 283,638 km (0.116 R)
• M3: 522,545 km (0.104 R)
• M4: 758,312 km (0.12 R)
• M5: 1,065,436 km (0.105 R)
• M6: 1,337,555 km (0.056 R)
• M7: 1,655,300 km (0.102 R)
• M8: 2,098,409 km (0.073 R)
• M9: 2,730,909 km (0.078 R)
• M10: 3,041,474 km (0.053 R)
• M11: 5,839,254 km (0.117 R)
• M12: 7,253,402 km (0.098 R)
• M13: 7,570,699 km (0.095 R)
• M14: 8,184,500 km (0.099 R)
• M15: 8,379,874 km (0.109 R)
• M16: 10,001,515 km (0.102 R)
• M17: 11,759,739 km (0.062 R)
• M18: 12,134,631 km (0.065 R)
• M19: 13,990,243 km (0.091 R)
• M20: 14,985,368 km (0.103 R)
• M21: 15,278,131 km (0.087 R)
• M22: 16,565,421 km (0.071 R)
• M23: 17,923,321 km (0.046 R)
• M24: 18,840,655 km (0.114 R)
• M25: 19,788,806 km (0.091 R)
• M26: 21,224,048 km (0.094 R)
• M27: 23,406,831 km (0.08 R)
• M28: 24,099,768 km (0.117 R)
• M29: 24,704,592 km (0.078 R)
• M30: 25,526,633 km (0.072 R)
• M31: 30,493,282 km (0.089 R)
• M32: 31,558,419 km (0.072 R)
• M33: 32,160,700 km (0.106 R)
• M34: 33,140,416 km (0.034 R)
• M35: 38,066,525 km (0.069 R)
• M36: 39,997,833 km (0.1 R)
• M37: 64,172,999 km (0.114 R)

Planet 9 - Ice Giant

Semi-Major Axis: 20.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 18.3

Radius: 7

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 15.77 AU - 25.57 AU

Year: 32877 Days

Day: 21.3 Hours

Environment

Temp: -198 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 31,681,965 km

• M1: 88,861 km (0.045 R)
• M2: 873,652 km (0.076 R)
• M3: 1,161,627 km (0.097 R)
• M4: 3,063,166 km (0.068 R)
• M5: 3,304,916 km (0.112 R)
• M6: 6,576,023 km (0.111 R)
• M7: 9,760,812 km (0.104 R)
• M8: 21,325,775 km (0.089 R)
• M9: 23,896,016 km (0.063 R)
• M10: 25,995,772 km (0.065 R)
• M11: 27,004,959 km (0.112 R)

Kuiper Belt

Range: 31.4 - 47.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 382 - 12,074 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit