🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.2 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 915.3

Radius: 14.1

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 2.02 AU - 2.78 AU

Year: 2479 Days

Day: 12.5 Hours

Environment

Temp: -209 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 37,871,258 km

• M1: 178,620 km (0.093 R)
• M2: 633,846 km (0.037 R)
• M3: 1,230,442 km (0.115 R)
• M4: 1,899,594 km (0.058 R)
• M5: 3,030,404 km (0.051 R)
• M6: 4,062,330 km (0.109 R)
• M7: 4,705,451 km (0.04 R)
• M8: 6,501,374 km (0.072 R)
• M9: 9,031,971 km (0.095 R)
• M10: 10,323,450 km (0.081 R)
• M11: 11,401,303 km (0.109 R)
• M12: 12,552,907 km (0.111 R)
• M13: 13,408,756 km (0.082 R)
• M14: 15,847,800 km (0.101 R)
• M15: 18,742,070 km (0.075 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 721.1

Radius: 11.9

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 2.78 AU - 3.34 AU

Year: 3570 Days

Day: 6.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 128.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 37,871,258 km

• M1: 148,102 km (0.091 R)
• M2: 591,660 km (0.108 R)
• M3: 1,651,112 km (0.101 R)
• M4: 2,239,630 km (0.115 R)
• M5: 2,663,889 km (0.091 R)
• M6: 4,640,825 km (0.094 R)
• M7: 5,765,801 km (0.104 R)
• M8: 6,938,798 km (0.093 R)
• M9: 7,352,436 km (0.085 R)
• M10: 8,021,288 km (0.09 R)
• M11: 10,685,776 km (0.11 R)
• M12: 11,066,652 km (0.079 R)
• M13: 13,301,943 km (0.078 R)
• M14: 15,606,349 km (0.099 R)
• M15: 20,339,925 km (0.114 R)
• M16: 21,523,543 km (0.066 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 927

Radius: 9.9

Gravity: 9.46 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 4.47 AU - 5.17 AU

Year: 7057 Days

Day: 5.3 Hours

Environment

Temp: -216 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 37,871,258 km

• M1: 123,119 km (0.055 R)
• M2: 956,978 km (0.119 R)
• M3: 1,522,009 km (0.078 R)
• M4: 1,904,231 km (0.085 R)
• M5: 2,386,236 km (0.051 R)
• M6: 2,725,075 km (0.091 R)
• M7: 3,501,189 km (0.052 R)
• M8: 4,096,139 km (0.077 R)
• M9: 4,473,425 km (0.083 R)
• M10: 4,932,990 km (0.066 R)
• M11: 5,423,820 km (0.108 R)
• M12: 6,255,884 km (0.104 R)
• M13: 7,801,529 km (0.059 R)
• M14: 8,214,120 km (0.111 R)
• M15: 10,650,321 km (0.097 R)
• M16: 14,128,621 km (0.051 R)
• M17: 19,103,498 km (0.098 R)
• M18: 20,625,358 km (0.075 R)
• M19: 22,805,896 km (0.109 R)
• M20: 25,314,353 km (0.064 R)
• M21: 32,538,434 km (0.026 R)
• M22: 34,593,161 km (0.07 R)
• M23: 36,618,118 km (0.049 R)
• M24: 41,772,961 km (0.069 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 557

Radius: 6.6

Gravity: 12.79 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 6.01 AU - 6.87 AU

Year: 10898 Days

Day: 21.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 37,871,258 km

• M1: 82,129 km (0.078 R)
• M2: 306,376 km (0.117 R)
• M3: 777,610 km (0.065 R)
• M4: 1,631,963 km (0.099 R)
• M5: 2,596,271 km (0.052 R)
• M6: 2,866,146 km (0.079 R)
• M7: 3,462,592 km (0.054 R)
• M8: 3,948,486 km (0.109 R)
• M9: 5,544,995 km (0.072 R)
• M10: 6,430,315 km (0.095 R)
• M11: 7,044,265 km (0.034 R)
• M12: 7,612,886 km (0.039 R)
• M13: 8,124,212 km (0.088 R)
• M14: 10,095,463 km (0.09 R)
• M15: 12,192,526 km (0.103 R)
• M16: 14,180,532 km (0.066 R)
• M17: 15,619,813 km (0.105 R)
• M18: 18,106,279 km (0.092 R)
• M19: 19,560,819 km (0.094 R)
• M20: 19,876,620 km (0.068 R)
• M21: 20,681,158 km (0.087 R)
• M22: 23,579,317 km (0.083 R)
• M23: 26,065,335 km (0.083 R)
• M24: 28,924,300 km (0.076 R)
• M25: 30,482,062 km (0.073 R)
• M26: 38,619,438 km (0.091 R)
• M27: 39,618,154 km (0.085 R)
• M28: 40,762,278 km (0.083 R)
• M29: 41,277,643 km (0.097 R)
• M30: 41,537,046 km (0.065 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 196.1

Radius: 4.3

Gravity: 10.61 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 7.26 AU - 7.32 AU

Year: 13126 Days

Day: 16.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 37,871,258 km

• M1: 54,005 km (0.093 R)
• M2: 191,635 km (0.094 R)
• M3: 413,788 km (0.102 R)
• M4: 1,024,297 km (0.084 R)
• M5: 1,235,529 km (0.06 R)
• M6: 1,647,222 km (0.064 R)
• M7: 1,877,304 km (0.069 R)
• M8: 2,875,421 km (0.102 R)
• M9: 4,475,519 km (0.077 R)
• M10: 5,219,021 km (0.099 R)
• M11: 9,110,211 km (0.117 R)
• M12: 10,248,651 km (0.087 R)
• M13: 11,275,491 km (0.105 R)
• M14: 13,136,488 km (0.069 R)
• M15: 14,644,584 km (0.107 R)
• M16: 15,192,561 km (0.059 R)
• M17: 16,007,870 km (0.116 R)
• M18: 21,366,017 km (0.115 R)
• M19: 21,833,959 km (0.116 R)
• M20: 25,388,404 km (0.098 R)
• M21: 30,472,488 km (0.077 R)
• M22: 32,580,023 km (0.062 R)
• M23: 33,303,478 km (0.109 R)
• M24: 36,970,870 km (0.096 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 255 - 16,651 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit