🌌 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: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 813

Radius: 13.1

Gravity: 4.74 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 0.58 AU - 0.64 AU

Year: 329 Days

Day: 14.4 Hours

Environment

Temp: -156 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 35,169,783 km

• M1: 163,062 km (0.119 R)
• M2: 575,503 km (0.074 R)
• M3: 1,011,730 km (0.12 R)
• M4: 1,485,806 km (0.069 R)
• M5: 2,054,278 km (0.118 R)
• M6: 3,283,823 km (0.102 R)
• M7: 3,696,414 km (0.074 R)
• M8: 4,143,861 km (0.074 R)
• M9: 4,868,962 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 954

Radius: 10.1

Gravity: 9.35 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.69 AU - 1.09 AU

Year: 580 Days

Day: 5.2 Hours

Environment

Temp: -180 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 35,169,783 km

• M1: 125,662 km (0.088 R)
• M2: 449,691 km (0.06 R)
• M3: 873,801 km (0.094 R)
• M4: 1,300,305 km (0.058 R)
• M5: 1,925,474 km (0.075 R)
• M6: 2,322,806 km (0.068 R)
• M7: 2,797,480 km (0.037 R)
• M8: 3,258,840 km (0.056 R)
• M9: 3,942,652 km (0.101 R)
• M10: 4,444,553 km (0.082 R)
• M11: 4,971,586 km (0.03 R)
• M12: 6,013,386 km (0.11 R)
• M13: 6,891,076 km (0.058 R)
• M14: 7,416,913 km (0.112 R)
• M15: 7,735,855 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 765.2

Radius: 11.2

Gravity: 6.1 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.78 AU - 1.02 AU

Year: 589 Days

Day: 9.9 Hours

Environment

Temp: -163 °C

Axial Tilt: 47.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 35,169,783 km

• M1: 139,276 km (0.077 R)
• M2: 504,743 km (0.102 R)
• M3: 897,138 km (0.086 R)
• M4: 1,437,636 km (0.085 R)
• M5: 1,850,526 km (0.096 R)
• M6: 2,342,852 km (0.102 R)
• M7: 3,110,738 km (0.05 R)
• M8: 3,634,031 km (0.103 R)
• M9: 4,230,329 km (0.105 R)
• M10: 4,583,828 km (0.11 R)
• M11: 5,263,601 km (0.092 R)
• M12: 6,028,345 km (0.115 R)
• M13: 7,161,400 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 843.7

Radius: 13.6

Gravity: 4.56 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 0.95 AU - 0.97 AU

Year: 649 Days

Day: 5.4 Hours

Environment

Temp: -165 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 35,169,783 km

• M1: 170,392 km (0.093 R)
• M2: 629,508 km (0.098 R)
• M3: 1,068,278 km (0.092 R)
• M4: 1,507,199 km (0.028 R)
• M5: 2,078,962 km (0.09 R)
• M6: 2,581,910 km (0.078 R)
• M7: 3,345,158 km (0.051 R)
• M8: 3,837,933 km (0.067 R)
• M9: 4,619,582 km (0.107 R)
• M10: 5,127,317 km (0.113 R)
• M11: 6,316,471 km (0.118 R)
• M12: 6,793,987 km (0.107 R)
• M13: 7,407,787 km (0.102 R)
• M14: 7,845,361 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 715.3

Radius: 8.2

Gravity: 10.64 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 1.23 AU - 1.87 AU

Year: 1332 Days

Day: 9.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 173.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 35,169,783 km

• M1: 102,026 km (0.075 R)
• M2: 441,613 km (0.076 R)
• M3: 1,279,361 km (0.078 R)
• M4: 1,800,560 km (0.111 R)
• M5: 2,229,607 km (0.083 R)
• M6: 2,582,209 km (0.106 R)
• M7: 3,086,054 km (0.104 R)
• M8: 4,163,608 km (0.105 R)
• M9: 4,529,375 km (0.053 R)
• M10: 5,057,006 km (0.11 R)
• M11: 5,473,786 km (0.103 R)
• M12: 6,352,374 km (0.097 R)
• M13: 6,938,050 km (0.052 R)
• M14: 7,828,606 km (0.117 R)
• M15: 9,182,467 km (0.092 R)
• M16: 10,092,022 km (0.06 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 673

Radius: 9

Gravity: 8.31 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 2.62 AU - 3.26 AU

Year: 3480 Days

Day: 14.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 35,169,783 km

• M1: 112,049 km (0.026 R)
• M2: 440,267 km (0.115 R)
• M3: 939,774 km (0.107 R)
• M4: 1,339,350 km (0.087 R)
• M5: 1,624,782 km (0.058 R)
• M6: 1,925,773 km (0.06 R)
• M7: 2,658,205 km (0.116 R)
• M8: 2,992,257 km (0.111 R)
• M9: 3,335,285 km (0.07 R)
• M10: 3,724,837 km (0.097 R)
• M11: 5,895,054 km (0.093 R)
• M12: 8,616,089 km (0.064 R)
• M13: 9,813,321 km (0.098 R)
• M14: 11,331,740 km (0.025 R)
• M15: 13,095,498 km (0.103 R)
• M16: 13,527,088 km (0.118 R)
• M17: 16,540,588 km (0.12 R)
• M18: 17,045,181 km (0.086 R)
• M19: 18,321,850 km (0.075 R)
• M20: 23,573,782 km (0.09 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 250.2

Radius: 3.9

Gravity: 16.45 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 4.84 AU - 7.36 AU

Year: 10399 Days

Day: 19.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 35,169,783 km

• M1: 48,470 km (0.045 R)
• M2: 174,282 km (0.097 R)
• M3: 392,694 km (0.119 R)
• M4: 521,947 km (0.059 R)
• M5: 819,497 km (0.112 R)
• M6: 1,210,247 km (0.068 R)
• M7: 1,593,367 km (0.108 R)
• M8: 1,728,454 km (0.113 R)
• M9: 2,115,912 km (0.061 R)
• M10: 2,262,668 km (0.101 R)
• M11: 2,433,808 km (0.091 R)
• M12: 3,122,556 km (0.12 R)
• M13: 3,860,223 km (0.073 R)
• M14: 4,491,526 km (0.072 R)
• M15: 4,734,773 km (0.111 R)
• M16: 5,987,954 km (0.119 R)
• M17: 6,760,328 km (0.083 R)
• M18: 6,936,554 km (0.092 R)
• M19: 7,409,433 km (0.085 R)
• M20: 8,059,585 km (0.106 R)
• M21: 8,540,991 km (0.102 R)
• M22: 8,998,761 km (0.069 R)
• M23: 9,472,836 km (0.034 R)
• M24: 10,611,725 km (0.098 R)
• M25: 10,898,055 km (0.111 R)
• M26: 14,924,632 km (0.106 R)
• M27: 16,908,449 km (0.118 R)
• M28: 18,233,587 km (0.087 R)
• M29: 22,309,830 km (0.118 R)
• M30: 22,543,801 km (0.092 R)
• M31: 24,228,273 km (0.102 R)
• M32: 25,908,855 km (0.081 R)
• M33: 27,397,055 km (0.1 R)
• M34: 27,665,433 km (0.053 R)
• M35: 29,312,805 km (0.086 R)
• M36: 29,593,600 km (0.057 R)
• M37: 31,904,887 km (0.1 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: 189 - 11,823 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit