🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 879.2

Radius: 14.6

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.5 AU - 0.82 AU

Year: 358 Days

Day: 5.4 Hours

Environment

Temp: -152 °C

Axial Tilt: 49.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 51,107,195 km

• M1: 181,612 km (0.117 R)
• M2: 638,185 km (0.038 R)
• M3: 1,200,373 km (0.107 R)
• M4: 1,849,628 km (0.028 R)
• M5: 2,480,931 km (0.098 R)
• M6: 3,004,374 km (0.112 R)
• M7: 3,760,142 km (0.046 R)
• M8: 4,264,587 km (0.106 R)
• M9: 5,053,266 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 38.4

Radius: 11.5

Gravity: 0.29 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.59 AU - 0.85 AU

Year: 407 Days

Day: 13.4 Hours

Environment

Temp: -163 °C

Axial Tilt: 43.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 51,107,195 km

• M1: 154,684 km (0.117 R)
• M2: 718,369 km (0.092 R)
• M3: 1,135,747 km (0.074 R)
• M4: 1,722,919 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 980.6

Radius: 12.9

Gravity: 5.89 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 0.94 AU - 1.16 AU

Year: 717 Days

Day: 12.4 Hours

Environment

Temp: -173 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 51,107,195 km

• M1: 160,369 km (0.108 R)
• M2: 691,741 km (0.114 R)
• M3: 1,279,062 km (0.103 R)
• M4: 1,685,669 km (0.1 R)
• M5: 2,120,849 km (0.093 R)
• M6: 2,736,594 km (0.06 R)
• M7: 3,331,844 km (0.116 R)
• M8: 5,050,424 km (0.088 R)
• M9: 5,830,128 km (0.053 R)
• M10: 6,365,240 km (0.08 R)
• M11: 6,977,993 km (0.096 R)
• M12: 7,605,855 km (0.112 R)
• M13: 8,815,055 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 80.3

Radius: 9.5

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 1.92 AU - 2.06 AU

Year: 1872 Days

Day: 14.9 Hours

Environment

Temp: -206 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 51,107,195 km

• M1: 118,182 km (0.116 R)
• M2: 635,342 km (0.085 R)
• M3: 1,156,541 km (0.059 R)
• M4: 1,547,590 km (0.118 R)
• M5: 2,515,937 km (0.106 R)
• M6: 2,939,449 km (0.08 R)
• M7: 3,944,746 km (0.094 R)
• M8: 4,776,510 km (0.12 R)
• M9: 5,216,627 km (0.083 R)
• M10: 5,646,871 km (0.097 R)
• M11: 6,023,259 km (0.118 R)
• M12: 6,952,860 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 560.8

Radius: 13.2

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 2.84 AU - 3.34 AU

Year: 3622 Days

Day: 10.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 51,107,195 km

• M1: 164,109 km (0.059 R)
• M2: 614,398 km (0.112 R)
• M3: 1,117,496 km (0.102 R)
• M4: 1,590,225 km (0.098 R)
• M5: 2,039,019 km (0.098 R)
• M6: 2,497,836 km (0.054 R)
• M7: 3,129,737 km (0.05 R)
• M8: 3,570,153 km (0.074 R)
• M9: 4,353,448 km (0.078 R)
• M10: 5,983,616 km (0.08 R)
• M11: 6,405,182 km (0.104 R)
• M12: 8,467,389 km (0.107 R)
• M13: 9,182,916 km (0.112 R)
• M14: 10,212,299 km (0.1 R)
• M15: 10,734,694 km (0.032 R)
• M16: 12,230,374 km (0.102 R)
• M17: 12,774,013 km (0.103 R)
• M18: 14,105,284 km (0.066 R)
• M19: 14,552,282 km (0.098 R)
• M20: 16,931,188 km (0.115 R)
• M21: 17,664,217 km (0.1 R)
• M22: 18,713,946 km (0.075 R)
• M23: 21,914,293 km (0.073 R)
• M24: 22,447,460 km (0.094 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 414.2

Radius: 9.8

Gravity: 4.31 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 3.63 AU - 5.31 AU

Year: 6302 Days

Day: 7.2 Hours

Environment

Temp: -213 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 51,107,195 km

• M1: 155,283 km (0.059 R)
• M2: 1,308,832 km (0.11 R)
• M3: 2,772,049 km (0.108 R)
• M4: 3,634,181 km (0.09 R)
• M5: 4,057,992 km (0.107 R)
• M6: 4,978,318 km (0.091 R)
• M7: 5,821,900 km (0.119 R)
• M8: 6,309,440 km (0.12 R)
• M9: 9,247,542 km (0.095 R)
• M10: 9,700,973 km (0.088 R)
• M11: 11,059,172 km (0.072 R)
• M12: 11,760,038 km (0.105 R)
• M13: 14,585,493 km (0.112 R)
• M14: 18,798,468 km (0.108 R)
• M15: 19,728,668 km (0.101 R)
• M16: 24,532,106 km (0.052 R)
• M17: 25,083,374 km (0.071 R)
• M18: 27,793,639 km (0.099 R)
• M19: 28,652,031 km (0.083 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 303.3

Radius: 6.7

Gravity: 6.76 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 5.92 AU - 9.36 AU

Year: 14082 Days

Day: 20.1 Hours

Environment

Temp: -234 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 51,107,195 km

• M1: 86,019 km (0.096 R)
• M2: 316,399 km (0.099 R)
• M3: 724,652 km (0.115 R)
• M4: 1,046,587 km (0.11 R)
• M5: 1,271,582 km (0.083 R)
• M6: 1,805,796 km (0.032 R)
• M7: 2,293,036 km (0.049 R)
• M8: 2,518,779 km (0.051 R)
• M9: 2,738,838 km (0.059 R)
• M10: 3,264,226 km (0.082 R)
• M11: 3,650,338 km (0.108 R)
• M12: 5,879,346 km (0.114 R)
• M13: 6,675,207 km (0.058 R)
• M14: 7,418,558 km (0.095 R)
• M15: 10,897,307 km (0.11 R)
• M16: 11,430,773 km (0.091 R)
• M17: 11,759,141 km (0.068 R)
• M18: 12,263,435 km (0.071 R)
• M19: 14,299,612 km (0.055 R)
• M20: 14,680,937 km (0.056 R)
• M21: 15,265,565 km (0.118 R)
• M22: 16,001,138 km (0.108 R)
• M23: 20,274,999 km (0.115 R)
• M24: 21,245,291 km (0.112 R)
• M25: 24,612,739 km (0.104 R)
• M26: 25,068,564 km (0.119 R)
• M27: 27,824,755 km (0.065 R)
• M28: 33,150,439 km (0.113 R)
• M29: 37,174,024 km (0.099 R)
• M30: 39,738,281 km (0.09 R)
• M31: 40,618,515 km (0.098 R)
• M32: 42,417,878 km (0.078 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 371.6

Radius: 4.2

Gravity: 21.07 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 6.91 AU - 8.99 AU

Year: 14948 Days

Day: 20.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 51,107,195 km

• M1: 52,509 km (0.047 R)
• M2: 290,070 km (0.119 R)
• M3: 681,568 km (0.092 R)
• M4: 2,278,974 km (0.09 R)
• M5: 2,659,401 km (0.078 R)
• M6: 3,889,096 km (0.089 R)
• M7: 4,612,252 km (0.08 R)
• M8: 4,861,482 km (0.113 R)
• M9: 7,025,864 km (0.106 R)
• M10: 10,860,955 km (0.081 R)
• M11: 12,161,260 km (0.103 R)
• M12: 13,498,814 km (0.081 R)
• M13: 13,944,167 km (0.101 R)
• M14: 15,134,218 km (0.108 R)
• M15: 17,117,587 km (0.1 R)
• M16: 17,866,025 km (0.099 R)
• M17: 25,996,819 km (0.098 R)
• M18: 32,526,018 km (0.108 R)
• M19: 33,904,413 km (0.051 R)
• M20: 34,255,070 km (0.083 R)
• M21: 38,272,670 km (0.061 R)
• M22: 40,328,893 km (0.062 R)
• M23: 41,784,630 km (0.069 R)
• M24: 44,660,051 km (0.103 R)
• M25: 45,647,247 km (0.087 R)
• M26: 49,291,152 km (0.104 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: 324 - 14,465 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit