🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 953.2

Radius: 11.5

Gravity: 7.21 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.51 AU - 0.67 AU

Year: 302 Days

Day: 9.1 Hours

Environment

Temp: -146 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 83,278,518 km

• M1: 143,315 km (0.079 R)
• M2: 511,774 km (0.113 R)
• M3: 1,138,290 km (0.109 R)
• M4: 1,510,490 km (0.115 R)
• M5: 2,035,429 km (0.058 R)
• M6: 2,448,020 km (0.043 R)
• M7: 2,876,318 km (0.103 R)
• M8: 3,947,738 km (0.119 R)
• M9: 4,554,507 km (0.097 R)
• M10: 5,012,426 km (0.06 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 633

Radius: 8.7

Gravity: 8.36 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 0.93 AU - 1.09 AU

Year: 677 Days

Day: 9.1 Hours

Environment

Temp: -182 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 83,278,518 km

• M1: 108,309 km (0.08 R)
• M2: 406,009 km (0.091 R)
• M3: 902,075 km (0.099 R)
• M4: 1,221,018 km (0.103 R)
• M5: 1,561,802 km (0.06 R)
• M6: 1,939,387 km (0.073 R)
• M7: 2,407,927 km (0.066 R)
• M8: 3,531,407 km (0.109 R)
• M9: 4,156,577 km (0.075 R)
• M10: 4,496,014 km (0.064 R)
• M11: 5,283,348 km (0.088 R)
• M12: 5,984,812 km (0.105 R)
• M13: 6,726,070 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 548.2

Radius: 10.5

Gravity: 4.97 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.85 AU - 1.25 AU

Year: 717 Days

Day: 11.7 Hours

Environment

Temp: -169 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 83,278,518 km

• M1: 130,599 km (0.081 R)
• M2: 613,950 km (0.093 R)
• M3: 2,010,296 km (0.084 R)
• M4: 2,443,382 km (0.072 R)
• M5: 2,868,539 km (0.106 R)
• M6: 3,342,764 km (0.116 R)
• M7: 4,543,886 km (0.111 R)
• M8: 6,147,724 km (0.056 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 603.2

Radius: 11.2

Gravity: 4.81 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 3.45 AU - 4.49 AU

Year: 5275 Days

Day: 11.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 83,278,518 km

• M1: 139,276 km (0.093 R)
• M2: 676,182 km (0.096 R)
• M3: 1,408,314 km (0.101 R)
• M4: 1,979,180 km (0.099 R)
• M5: 3,545,170 km (0.03 R)
• M6: 4,736,568 km (0.084 R)
• M7: 5,215,580 km (0.101 R)
• M8: 6,333,375 km (0.038 R)
• M9: 6,915,760 km (0.112 R)
• M10: 7,463,139 km (0.114 R)
• M11: 8,338,137 km (0.06 R)
• M12: 9,118,439 km (0.119 R)
• M13: 10,645,085 km (0.087 R)
• M14: 11,897,070 km (0.11 R)
• M15: 13,610,265 km (0.112 R)
• M16: 14,747,358 km (0.07 R)
• M17: 16,123,060 km (0.053 R)
• M18: 16,600,277 km (0.074 R)
• M19: 17,148,254 km (0.055 R)
• M20: 19,595,975 km (0.09 R)
• M21: 22,636,851 km (0.09 R)
• M22: 26,635,452 km (0.064 R)
• M23: 27,218,585 km (0.118 R)
• M24: 28,066,655 km (0.106 R)
• M25: 29,993,924 km (0.091 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 847.9

Radius: 6.4

Gravity: 20.7 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 8.3 AU - 11.38 AU

Year: 20584 Days

Day: 17.8 Hours

Environment

Temp: -244 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 83,278,518 km

• M1: 80,035 km (0.051 R)
• M2: 333,304 km (0.071 R)
• M3: 677,678 km (0.104 R)
• M4: 1,333,366 km (0.1 R)
• M5: 1,735,485 km (0.1 R)
• M6: 1,985,313 km (0.12 R)
• M7: 2,193,853 km (0.114 R)
• M8: 2,805,858 km (0.073 R)
• M9: 4,644,864 km (0.102 R)
• M10: 6,511,547 km (0.1 R)
• M11: 7,711,770 km (0.08 R)
• M12: 8,020,391 km (0.105 R)
• M13: 8,230,725 km (0.077 R)
• M14: 9,223,307 km (0.048 R)
• M15: 9,512,629 km (0.074 R)
• M16: 9,988,201 km (0.082 R)
• M17: 10,417,248 km (0.118 R)
• M18: 11,181,094 km (0.088 R)
• M19: 11,777,990 km (0.096 R)
• M20: 12,465,991 km (0.112 R)
• M21: 12,891,447 km (0.062 R)
• M22: 14,926,726 km (0.084 R)
• M23: 16,145,350 km (0.111 R)
• M24: 18,140,537 km (0.086 R)
• M25: 18,779,021 km (0.104 R)
• M26: 19,716,999 km (0.094 R)
• M27: 23,139,649 km (0.118 R)
• M28: 28,372,882 km (0.039 R)
• M29: 31,004,159 km (0.091 R)
• M30: 42,200,063 km (0.091 R)
• M31: 43,968,161 km (0.086 R)
• M32: 59,327,374 km (0.079 R)
• M33: 63,815,011 km (0.116 R)
• M34: 68,962,973 km (0.078 R)
• M35: 70,291,851 km (0.089 R)
• M36: 76,483,707 km (0.182 R)
• M37: 78,385,694 km (0.115 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 420 - 11,016 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit