🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 474.8

Radius: 10.9

Gravity: 4 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.54 AU - 0.7 AU

Year: 343 Days

Day: 13 Hours

Environment

Temp: -149 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 55,930,890 km

• M1: 135,536 km (0.055 R)
• M2: 508,184 km (0.057 R)
• M3: 1,023,249 km (0.063 R)
• M4: 1,447,958 km (0.115 R)
• M5: 1,888,673 km (0.038 R)
• M6: 2,277,328 km (0.12 R)
• M7: 3,126,296 km (0.111 R)
• M8: 3,871,742 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 692.3

Radius: 14.9

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 0.57 AU - 0.71 AU

Year: 360 Days

Day: 7.8 Hours

Environment

Temp: -146 °C

Axial Tilt: 68.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 55,930,890 km

• M1: 185,501 km (0.119 R)
• M2: 730,786 km (0.093 R)
• M3: 1,316,611 km (0.091 R)
• M4: 1,927,718 km (0.114 R)
• M5: 2,530,747 km (0.09 R)
• M6: 3,056,584 km (0.108 R)
• M7: 3,527,667 km (0.11 R)
• M8: 4,386,509 km (0.074 R)
• M9: 4,960,665 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 448.7

Radius: 10.6

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.56 AU - 0.8 AU

Year: 394 Days

Day: 12.7 Hours

Environment

Temp: -162 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 55,930,890 km

• M1: 132,245 km (0.11 R)
• M2: 507,286 km (0.088 R)
• M3: 862,133 km (0.112 R)
• M4: 1,413,700 km (0.101 R)
• M5: 1,911,562 km (0.106 R)
• M6: 2,642,497 km (0.085 R)
• M7: 3,083,511 km (0.066 R)
• M8: 3,619,371 km (0.087 R)
• M9: 4,089,407 km (0.113 R)
• M10: 4,654,588 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 932.6

Radius: 13.6

Gravity: 5.04 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 3.09 AU - 3.17 AU

Year: 3892 Days

Day: 6.4 Hours

Environment

Temp: -208 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 55,930,890 km

• M1: 169,195 km (0.059 R)
• M2: 619,634 km (0.071 R)
• M3: 1,057,507 km (0.114 R)
• M4: 1,504,655 km (0.119 R)
• M5: 2,137,903 km (0.102 R)
• M6: 2,803,614 km (0.071 R)
• M7: 3,730,522 km (0.101 R)
• M8: 4,726,395 km (0.095 R)
• M9: 5,605,432 km (0.114 R)
• M10: 7,042,320 km (0.118 R)
• M11: 9,099,590 km (0.115 R)
• M12: 10,075,865 km (0.102 R)
• M13: 11,211,164 km (0.113 R)
• M14: 11,763,180 km (0.077 R)
• M15: 12,333,297 km (0.081 R)
• M16: 13,375,396 km (0.114 R)
• M17: 13,891,957 km (0.054 R)
• M18: 14,746,012 km (0.094 R)
• M19: 15,353,229 km (0.116 R)
• M20: 16,736,262 km (0.115 R)
• M21: 19,551,095 km (0.114 R)
• M22: 20,760,744 km (0.09 R)
• M23: 21,594,602 km (0.091 R)
• M24: 22,019,759 km (0.05 R)
• M25: 25,467,841 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 439.7

Radius: 9.8

Gravity: 4.58 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 3.43 AU - 3.51 AU

Year: 4544 Days

Day: 11.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 48 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 55,930,890 km

• M1: 122,072 km (0.045 R)
• M2: 458,069 km (0.04 R)
• M3: 832,363 km (0.062 R)
• M4: 2,382,196 km (0.106 R)
• M5: 2,895,916 km (0.055 R)
• M6: 3,443,145 km (0.084 R)
• M7: 4,123,366 km (0.036 R)
• M8: 5,141,230 km (0.069 R)
• M9: 5,479,770 km (0.075 R)
• M10: 6,144,134 km (0.099 R)
• M11: 7,017,636 km (0.091 R)
• M12: 8,642,119 km (0.045 R)
• M13: 9,273,422 km (0.099 R)
• M14: 12,247,578 km (0.119 R)
• M15: 15,968,675 km (0.093 R)
• M16: 17,090,958 km (0.104 R)
• M17: 18,445,417 km (0.092 R)
• M18: 19,118,009 km (0.079 R)
• M19: 22,177,136 km (0.118 R)
• M20: 22,520,613 km (0.111 R)
• M21: 24,002,530 km (0.073 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 212.2

Radius: 5.3

Gravity: 7.55 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 5.6 AU - 5.74 AU

Year: 9490 Days

Day: 22.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 55,930,890 km

• M1: 81,381 km (0.112 R)
• M2: 363,672 km (0.05 R)
• M3: 578,046 km (0.087 R)
• M4: 901,327 km (0.115 R)
• M5: 1,808,189 km (0.084 R)
• M6: 2,235,890 km (0.047 R)
• M7: 2,448,319 km (0.119 R)
• M8: 3,010,059 km (0.073 R)
• M9: 3,879,821 km (0.058 R)
• M10: 4,067,417 km (0.114 R)
• M11: 4,614,496 km (0.091 R)
• M12: 5,153,347 km (0.102 R)
• M13: 5,613,959 km (0.119 R)
• M14: 5,793,477 km (0.074 R)
• M15: 6,038,967 km (0.062 R)
• M16: 7,300,825 km (0.097 R)
• M17: 7,881,265 km (0.071 R)
• M18: 8,768,829 km (0.035 R)
• M19: 9,133,698 km (0.096 R)
• M20: 10,200,331 km (0.119 R)
• M21: 11,252,602 km (0.101 R)
• M22: 11,586,654 km (0.049 R)
• M23: 12,937,822 km (0.115 R)
• M24: 13,251,828 km (0.047 R)
• M25: 15,127,636 km (0.054 R)
• M26: 16,861,625 km (0.087 R)
• M27: 18,991,001 km (0.102 R)
• M28: 19,192,958 km (0.034 R)
• M29: 30,393,051 km (0.114 R)
• M30: 30,762,109 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 787.4

Radius: 5.2

Gravity: 29.12 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 5.02 AU - 8.06 AU

Year: 11756 Days

Day: 18.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 55,930,890 km

• M1: 65,225 km (0.116 R)
• M2: 249,529 km (0.114 R)
• M3: 504,893 km (0.114 R)
• M4: 1,092,663 km (0.101 R)
• M5: 1,291,030 km (0.104 R)
• M6: 3,353,236 km (0.119 R)
• M7: 3,721,097 km (0.116 R)
• M8: 4,663,115 km (0.114 R)
• M9: 9,058,600 km (0.116 R)
• M10: 9,410,155 km (0.116 R)
• M11: 9,770,985 km (0.027 R)
• M12: 14,709,659 km (0.071 R)
• M13: 15,125,392 km (0.12 R)
• M14: 17,786,289 km (0.052 R)
• M15: 18,657,697 km (0.111 R)
• M16: 20,399,614 km (0.075 R)
• M17: 20,743,390 km (0.038 R)
• M18: 26,372,758 km (0.098 R)
• M19: 31,320,558 km (0.086 R)
• M20: 46,466,295 km (0.066 R)
• M21: 53,780,285 km (0.034 R)
• M22: 54,435,972 km (0.105 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 247 - 10,316 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit