🌌 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: 193.3

Radius: 10.3

Gravity: 1.82 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.49 AU - 0.55 AU

Year: 254 Days

Day: 13.9 Hours

Environment

Temp: -137 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 48,419,541 km

• M1: 128,205 km (0.07 R)
• M2: 492,327 km (0.099 R)
• M3: 1,016,817 km (0.102 R)
• M4: 1,893,759 km (0.06 R)
• M5: 2,225,568 km (0.116 R)
• M6: 2,581,610 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 331

Radius: 14.4

Gravity: 1.6 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.56 AU - 0.68 AU

Year: 331 Days

Day: 11 Hours

Environment

Temp: -152 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 48,419,541 km

• M1: 179,069 km (0.068 R)
• M2: 655,538 km (0.112 R)
• M3: 1,117,346 km (0.103 R)
• M4: 1,690,306 km (0.036 R)
• M5: 2,152,414 km (0.1 R)
• M6: 2,615,120 km (0.083 R)
• M7: 3,193,316 km (0.101 R)
• M8: 3,790,361 km (0.051 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 844.8

Radius: 9.1

Gravity: 10.2 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 0.67 AU - 0.83 AU

Year: 441 Days

Day: 5.8 Hours

Environment

Temp: -157 °C

Axial Tilt: 49.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 48,419,541 km

• M1: 113,246 km (0.079 R)
• M2: 397,332 km (0.092 R)
• M3: 895,792 km (0.081 R)
• M4: 1,261,260 km (0.09 R)
• M5: 2,236,787 km (0.047 R)
• M6: 2,573,532 km (0.095 R)
• M7: 2,921,946 km (0.033 R)
• M8: 3,832,997 km (0.055 R)
• M9: 4,175,576 km (0.115 R)
• M10: 4,674,335 km (0.082 R)
• M11: 5,703,120 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 809.1

Radius: 12

Gravity: 5.62 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 0.77 AU - 0.79 AU

Year: 467 Days

Day: 13.1 Hours

Environment

Temp: -169 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 48,419,541 km

• M1: 149,448 km (0.113 R)
• M2: 579,093 km (0.041 R)
• M3: 1,166,415 km (0.086 R)
• M4: 1,695,093 km (0.066 R)
• M5: 2,072,678 km (0.044 R)
• M6: 2,497,237 km (0.114 R)
• M7: 2,969,069 km (0.118 R)
• M8: 3,364,755 km (0.057 R)
• M9: 3,756,253 km (0.027 R)
• M10: 4,321,134 km (0.08 R)
• M11: 4,942,265 km (0.096 R)
• M12: 5,332,865 km (0.111 R)
• M13: 5,832,522 km (0.093 R)
• M14: 6,344,446 km (0.059 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 110.6

Radius: 11.3

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 0.84 AU - 0.9 AU

Year: 550 Days

Day: 6.7 Hours

Environment

Temp: -163 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 48,419,541 km

• M1: 140,622 km (0.102 R)
• M2: 510,877 km (0.079 R)
• M3: 918,082 km (0.05 R)
• M4: 1,409,212 km (0.108 R)
• M5: 1,839,605 km (0.118 R)
• M6: 2,280,320 km (0.081 R)
• M7: 2,817,825 km (0.064 R)
• M8: 3,668,589 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 253.1

Radius: 9.5

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 1.14 AU - 1.37 AU

Year: 948 Days

Day: 13.4 Hours

Environment

Temp: -195 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 48,419,541 km

• M1: 118,182 km (0.104 R)
• M2: 438,172 km (0.092 R)
• M3: 763,248 km (0.103 R)
• M4: 1,281,755 km (0.073 R)
• M5: 1,944,473 km (0.077 R)
• M6: 2,280,919 km (0.08 R)
• M7: 2,710,265 km (0.113 R)
• M8: 3,366,401 km (0.092 R)
• M9: 3,981,398 km (0.099 R)
• M10: 4,529,076 km (0.083 R)
• M11: 6,166,574 km (0.044 R)
• M12: 6,536,380 km (0.089 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 240.9

Radius: 8.8

Gravity: 3.11 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 1.35 AU - 1.53 AU

Year: 1172 Days

Day: 5.3 Hours

Environment

Temp: -190 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 48,419,541 km

• M1: 112,198 km (0.12 R)
• M2: 598,391 km (0.08 R)
• M3: 902,823 km (0.117 R)
• M4: 1,201,271 km (0.075 R)
• M5: 1,581,997 km (0.085 R)
• M6: 2,481,380 km (0.113 R)
• M7: 3,105,353 km (0.089 R)
• M8: 3,730,373 km (0.109 R)
• M9: 4,341,779 km (0.088 R)
• M10: 4,729,686 km (0.103 R)
• M11: 5,482,762 km (0.053 R)
• M12: 5,917,194 km (0.104 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 931.6

Radius: 9.4

Gravity: 10.54 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 4.55 AU - 5.53 AU

Year: 7674 Days

Day: 13.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 48,419,541 km

• M1: 117,135 km (0.075 R)
• M2: 897,288 km (0.111 R)
• M3: 1,571,675 km (0.109 R)
• M4: 1,924,277 km (0.093 R)
• M5: 2,402,392 km (0.096 R)
• M6: 2,894,868 km (0.106 R)
• M7: 3,406,194 km (0.035 R)
• M8: 3,873,089 km (0.094 R)
• M9: 5,150,804 km (0.078 R)
• M10: 5,633,407 km (0.112 R)
• M11: 7,789,262 km (0.102 R)
• M12: 9,235,275 km (0.059 R)
• M13: 9,754,828 km (0.099 R)
• M14: 10,293,829 km (0.082 R)
• M15: 11,218,494 km (0.11 R)
• M16: 11,810,154 km (0.065 R)
• M17: 13,056,005 km (0.11 R)
• M18: 14,638,750 km (0.073 R)
• M19: 15,476,349 km (0.067 R)
• M20: 17,106,068 km (0.118 R)
• M21: 19,915,815 km (0.101 R)
• M22: 21,840,990 km (0.116 R)
• M23: 24,151,379 km (0.106 R)
• M24: 25,502,996 km (0.057 R)
• M25: 27,769,554 km (0.114 R)
• M26: 29,656,581 km (0.072 R)
• M27: 32,375,223 km (0.117 R)
• M28: 37,110,893 km (0.101 R)
• M29: 43,065,786 km (0.071 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 669.6

Radius: 6.5

Gravity: 15.85 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 4.65 AU - 7.59 AU

Year: 10269 Days

Day: 15.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 48,419,541 km

• M1: 80,932 km (0.077 R)
• M2: 326,871 km (0.09 R)
• M3: 653,743 km (0.102 R)
• M4: 1,247,646 km (0.117 R)
• M5: 1,725,013 km (0.077 R)
• M6: 2,014,485 km (0.062 R)
• M7: 2,549,297 km (0.078 R)
• M8: 2,754,246 km (0.111 R)
• M9: 3,924,102 km (0.069 R)
• M10: 4,283,286 km (0.101 R)
• M11: 4,941,068 km (0.079 R)
• M12: 5,979,277 km (0.086 R)
• M13: 6,232,546 km (0.117 R)
• M14: 6,916,957 km (0.117 R)
• M15: 8,123,164 km (0.084 R)
• M16: 8,615,491 km (0.044 R)
• M17: 9,127,415 km (0.086 R)
• M18: 9,463,561 km (0.084 R)
• M19: 10,626,685 km (0.058 R)
• M20: 11,379,760 km (0.109 R)
• M21: 11,882,260 km (0.11 R)
• M22: 12,225,437 km (0.082 R)
• M23: 13,417,283 km (0.078 R)
• M24: 14,104,686 km (0.104 R)
• M25: 14,684,527 km (0.112 R)
• M26: 15,013,493 km (0.051 R)
• M27: 16,875,089 km (0.077 R)
• M28: 17,381,777 km (0.077 R)
• M29: 18,962,727 km (0.102 R)
• M30: 19,668,829 km (0.062 R)
• M31: 22,844,044 km (0.066 R)
• M32: 24,830,255 km (0.032 R)
• M33: 25,203,352 km (0.114 R)
• M34: 32,798,286 km (0.111 R)
• M35: 36,029,301 km (0.059 R)
• M36: 40,102,252 km (0.076 R)
• M37: 43,925,974 km (0.075 R)
• M38: 47,554,620 km (0.103 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 439 - 11,873 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit