🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.5

Radius: 1.44

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.44 AU - 0.62 AU

Year: 249 Days

Day: 27.4 Hours

Environment

Temp: -116 °C

Axial Tilt: 29.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 35,218,493 km

• M1: 130,599 km (0.115 R)
• M2: 211,980 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 102.1

Radius: 12.1

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.6 AU - 0.78 AU

Year: 370 Days

Day: 13 Hours

Environment

Temp: -137 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 35,218,493 km

• M1: 150,495 km (0.102 R)
• M2: 597,494 km (0.068 R)
• M3: 1,177,036 km (0.108 R)
• M4: 1,559,857 km (0.099 R)
• M5: 2,040,365 km (0.089 R)
• M6: 2,558,872 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 777.5

Radius: 8.5

Gravity: 10.76 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 1.6 AU - 2.18 AU

Year: 1678 Days

Day: 5.2 Hours

Environment

Temp: -178 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 35,218,493 km

• M1: 106,065 km (0.053 R)
• M2: 440,865 km (0.055 R)
• M3: 822,190 km (0.095 R)
• M4: 1,200,822 km (0.09 R)
• M5: 1,519,017 km (0.117 R)
• M6: 1,796,970 km (0.093 R)
• M7: 2,278,824 km (0.079 R)
• M8: 4,408,500 km (0.082 R)
• M9: 5,580,300 km (0.083 R)
• M10: 7,027,958 km (0.11 R)
• M11: 7,780,884 km (0.065 R)
• M12: 8,251,819 km (0.098 R)
• M13: 9,315,908 km (0.118 R)
• M14: 9,847,130 km (0.111 R)
• M15: 13,847,676 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 709.1

Radius: 15

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 1.53 AU - 2.27 AU

Year: 1691 Days

Day: 8.8 Hours

Environment

Temp: -188 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 35,218,493 km

• M1: 186,549 km (0.046 R)
• M2: 836,102 km (0.042 R)
• M3: 2,366,190 km (0.119 R)
• M4: 3,087,700 km (0.113 R)
• M5: 3,778,244 km (0.058 R)
• M6: 4,629,605 km (0.092 R)
• M7: 10,198,087 km (0.114 R)
• M8: 10,753,394 km (0.116 R)
• M9: 11,365,698 km (0.118 R)
• M10: 12,231,122 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 537.8

Radius: 13.2

Gravity: 3.09 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 2.52 AU - 3.48 AU

Year: 3355 Days

Day: 14.9 Hours

Environment

Temp: -208 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 35,218,493 km

• M1: 164,258 km (0.104 R)
• M2: 604,824 km (0.081 R)
• M3: 1,246,001 km (0.029 R)
• M4: 1,790,537 km (0.117 R)
• M5: 2,335,821 km (0.068 R)
• M6: 3,058,080 km (0.11 R)
• M7: 3,965,092 km (0.1 R)
• M8: 4,537,603 km (0.067 R)
• M9: 5,614,558 km (0.084 R)
• M10: 6,036,274 km (0.08 R)
• M11: 6,650,972 km (0.118 R)
• M12: 7,493,507 km (0.117 R)
• M13: 8,372,245 km (0.061 R)
• M14: 8,784,237 km (0.089 R)
• M15: 9,649,212 km (0.08 R)
• M16: 12,322,077 km (0.113 R)
• M17: 13,592,911 km (0.095 R)
• M18: 17,426,357 km (0.062 R)
• M19: 21,097,339 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 144.3

Radius: 8.8

Gravity: 1.86 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 3.51 AU - 3.85 AU

Year: 4558 Days

Day: 6.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 35,218,493 km

• M1: 109,506 km (0.11 R)
• M2: 428,897 km (0.09 R)
• M3: 1,112,709 km (0.095 R)
• M4: 1,568,534 km (0.11 R)
• M5: 1,988,754 km (0.108 R)
• M6: 2,270,896 km (0.103 R)
• M7: 2,796,433 km (0.086 R)
• M8: 3,350,244 km (0.093 R)
• M9: 4,571,113 km (0.085 R)
• M10: 4,978,318 km (0.108 R)
• M11: 5,574,914 km (0.092 R)
• M12: 6,167,023 km (0.076 R)
• M13: 6,827,796 km (0.064 R)
• M14: 7,982,094 km (0.074 R)
• M15: 8,258,850 km (0.074 R)
• M16: 9,844,886 km (0.074 R)
• M17: 10,525,557 km (0.055 R)
• M18: 10,971,358 km (0.081 R)
• M19: 14,182,776 km (0.096 R)
• M20: 14,818,866 km (0.092 R)
• M21: 16,791,613 km (0.047 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 400.4

Radius: 14.3

Gravity: 1.96 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 4.54 AU - 6.38 AU

Year: 8238 Days

Day: 12.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 35,218,493 km

• M1: 178,919 km (0.057 R)
• M2: 674,387 km (0.104 R)
• M3: 1,460,075 km (0.094 R)
• M4: 2,288,548 km (0.093 R)
• M5: 2,848,792 km (0.049 R)
• M6: 3,392,281 km (0.04 R)
• M7: 4,250,076 km (0.088 R)
• M8: 4,936,281 km (0.029 R)
• M9: 5,756,975 km (0.11 R)
• M10: 6,667,128 km (0.091 R)
• M11: 8,249,275 km (0.113 R)
• M12: 9,065,481 km (0.03 R)
• M13: 9,979,674 km (0.064 R)
• M14: 10,575,821 km (0.096 R)
• M15: 13,093,853 km (0.063 R)
• M16: 13,977,976 km (0.119 R)
• M17: 14,434,848 km (0.117 R)
• M18: 15,927,087 km (0.057 R)
• M19: 16,488,677 km (0.103 R)
• M20: 17,128,358 km (0.102 R)
• M21: 18,938,193 km (0.034 R)
• M22: 19,639,807 km (0.047 R)
• M23: 20,872,493 km (0.079 R)
• M24: 22,233,236 km (0.079 R)
• M25: 26,323,092 km (0.119 R)
• M26: 26,845,487 km (0.084 R)
• M27: 29,375,038 km (0.056 R)
• M28: 33,258,898 km (0.09 R)
• M29: 34,177,728 km (0.075 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 309 - 14,973 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit