🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 259.9

Radius: 11.8

Gravity: 1.87 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.4 AU - 0.64 AU

Year: 254 Days

Day: 12.3 Hours

Environment

Temp: -138 °C

Axial Tilt: 42.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 76,291,492 km

• M1: 147,055 km (0.06 R)
• M2: 555,008 km (0.082 R)
• M3: 1,068,129 km (0.069 R)
• M4: 1,674,898 km (0.115 R)
• M5: 2,085,245 km (0.063 R)
• M6: 2,525,062 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 661.2

Radius: 8.9

Gravity: 8.35 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.51 AU - 0.69 AU

Year: 315 Days

Day: 6.9 Hours

Environment

Temp: -153 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 76,291,492 km

• M1: 111,002 km (0.065 R)
• M2: 415,134 km (0.081 R)
• M3: 825,481 km (0.105 R)
• M4: 1,143,077 km (0.116 R)
• M5: 1,462,170 km (0.092 R)
• M6: 2,145,233 km (0.081 R)
• M7: 2,492,001 km (0.076 R)
• M8: 3,036,687 km (0.097 R)
• M9: 3,365,055 km (0.084 R)
• M10: 3,717,208 km (0.048 R)
• M11: 4,468,937 km (0.078 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 495.5

Radius: 8.3

Gravity: 7.19 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.62 AU - 1 AU

Year: 494 Days

Day: 10.3 Hours

Environment

Temp: -157 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 76,291,492 km

• M1: 103,522 km (0.049 R)
• M2: 362,326 km (0.07 R)
• M3: 639,531 km (0.047 R)
• M4: 1,152,053 km (0.085 R)
• M5: 1,830,928 km (0.062 R)
• M6: 2,228,260 km (0.051 R)
• M7: 2,953,062 km (0.062 R)
• M8: 3,465,584 km (0.091 R)
• M9: 3,737,104 km (0.117 R)
• M10: 4,157,474 km (0.118 R)
• M11: 4,579,939 km (0.1 R)
• M12: 5,251,184 km (0.099 R)
• M13: 5,627,423 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 282.3

Radius: 11.3

Gravity: 2.21 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.94 AU - 1.48 AU

Year: 903 Days

Day: 11.2 Hours

Environment

Temp: -175 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 76,291,492 km

• M1: 142,118 km (0.103 R)
• M2: 744,100 km (0.106 R)
• M3: 1,267,244 km (0.074 R)
• M4: 1,793,529 km (0.032 R)
• M5: 2,855,823 km (0.091 R)
• M6: 3,279,036 km (0.12 R)
• M7: 3,811,903 km (0.109 R)
• M8: 4,179,166 km (0.094 R)
• M9: 5,911,659 km (0.076 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 436.4

Radius: 11.7

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 1.09 AU - 1.35 AU

Year: 914 Days

Day: 5.9 Hours

Environment

Temp: -179 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 76,291,492 km

• M1: 145,559 km (0.06 R)
• M2: 667,805 km (0.095 R)
• M3: 1,275,322 km (0.101 R)
• M4: 1,921,734 km (0.075 R)
• M5: 2,596,570 km (0.088 R)
• M6: 4,261,744 km (0.119 R)
• M7: 4,813,461 km (0.108 R)
• M8: 7,627,247 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 796.2

Radius: 10.9

Gravity: 6.7 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.99 AU - 1.49 AU

Year: 937 Days

Day: 9.5 Hours

Environment

Temp: -191 °C

Axial Tilt: 49.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 76,291,492 km

• M1: 135,536 km (0.117 R)
• M2: 531,671 km (0.06 R)
• M3: 968,347 km (0.113 R)
• M4: 1,536,669 km (0.086 R)
• M5: 2,307,248 km (0.104 R)
• M6: 3,004,972 km (0.112 R)
• M7: 3,564,319 km (0.105 R)
• M8: 3,932,479 km (0.107 R)
• M9: 4,275,507 km (0.036 R)
• M10: 5,729,598 km (0.077 R)
• M11: 6,614,769 km (0.072 R)
• M12: 6,960,490 km (0.046 R)
• M13: 7,588,651 km (0.083 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 923.5

Radius: 12.5

Gravity: 5.91 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 1.96 AU - 2.84 AU

Year: 2522 Days

Day: 10.3 Hours

Environment

Temp: -216 °C

Axial Tilt: 49.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 76,291,492 km

• M1: 156,779 km (0.084 R)
• M2: 716,275 km (0.12 R)
• M3: 1,297,612 km (0.037 R)
• M4: 2,197,593 km (0.084 R)
• M5: 3,021,129 km (0.094 R)
• M6: 3,495,953 km (0.025 R)
• M7: 3,899,418 km (0.066 R)
• M8: 4,530,422 km (0.095 R)
• M9: 5,578,355 km (0.118 R)
• M10: 6,522,318 km (0.093 R)
• M11: 7,382,655 km (0.114 R)
• M12: 8,150,690 km (0.116 R)
• M13: 8,554,305 km (0.067 R)
• M14: 9,113,203 km (0.113 R)
• M15: 11,264,121 km (0.113 R)
• M16: 12,326,117 km (0.053 R)
• M17: 14,355,711 km (0.108 R)
• M18: 15,965,683 km (0.078 R)
• M19: 18,143,529 km (0.104 R)
• M20: 18,833,923 km (0.046 R)
• M21: 20,083,963 km (0.104 R)
• M22: 20,512,710 km (0.12 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 73.6

Radius: 11.9

Gravity: 0.52 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 2.49 AU - 3.11 AU

Year: 3178 Days

Day: 8 Hours

Environment

Temp: -201 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 76,291,492 km

• M1: 148,999 km (0.041 R)
• M2: 574,007 km (0.056 R)
• M3: 1,076,357 km (0.075 R)
• M4: 1,956,142 km (0.053 R)
• M5: 2,465,074 km (0.073 R)
• M6: 3,600,372 km (0.117 R)
• M7: 5,075,407 km (0.093 R)
• M8: 5,980,923 km (0.114 R)
• M9: 9,062,639 km (0.111 R)
• M10: 9,463,561 km (0.119 R)
• M11: 9,936,141 km (0.056 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 490.1

Radius: 6.4

Gravity: 11.97 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 8.06 AU - 13.34 AU

Year: 23739 Days

Day: 15.8 Hours

Environment

Temp: -239 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 76,291,492 km

• M1: 80,334 km (0.118 R)
• M2: 447,447 km (0.098 R)
• M3: 680,222 km (0.084 R)
• M4: 1,284,747 km (0.113 R)
• M5: 1,562,999 km (0.108 R)
• M6: 2,484,372 km (0.056 R)
• M7: 3,877,726 km (0.113 R)
• M8: 4,228,533 km (0.112 R)
• M9: 5,370,713 km (0.099 R)
• M10: 6,932,216 km (0.078 R)
• M11: 7,164,242 km (0.078 R)
• M12: 9,548,982 km (0.046 R)
• M13: 10,428,916 km (0.033 R)
• M14: 10,857,514 km (0.04 R)
• M15: 14,267,897 km (0.08 R)
• M16: 16,133,233 km (0.049 R)
• M17: 29,363,369 km (0.103 R)
• M18: 30,094,304 km (0.112 R)
• M19: 34,872,909 km (0.08 R)
• M20: 36,107,241 km (0.077 R)
• M21: 37,512,564 km (0.065 R)
• M22: 38,808,231 km (0.115 R)
• M23: 41,640,867 km (0.094 R)
• M24: 42,100,431 km (0.044 R)
• M25: 42,408,603 km (0.119 R)
• M26: 44,608,439 km (0.073 R)
• M27: 48,723,877 km (0.104 R)
• M28: 52,548,795 km (0.09 R)
• M29: 53,085,403 km (0.109 R)
• M30: 56,195,543 km (0.057 R)
• M31: 63,178,173 km (0.088 R)
• M32: 75,380,572 km (0.106 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 524 - 14,018 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit