🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 574.6

Radius: 13.5

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 0.51 AU - 0.65 AU

Year: 305 Days

Day: 6.8 Hours

Environment

Temp: -155 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 49,141,151 km

• M1: 167,849 km (0.096 R)
• M2: 614,099 km (0.1 R)
• M3: 1,145,471 km (0.094 R)
• M4: 1,661,284 km (0.117 R)
• M5: 2,292,288 km (0.091 R)
• M6: 3,011,106 km (0.064 R)
• M7: 3,494,307 km (0.055 R)
• M8: 4,150,144 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 288.9

Radius: 8.6

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.76 AU - 0.98 AU

Year: 560 Days

Day: 14.8 Hours

Environment

Temp: -178 °C

Axial Tilt: 91.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 49,141,151 km

• M1: 106,962 km (0.057 R)
• M2: 376,687 km (0.086 R)
• M3: 666,459 km (0.115 R)
• M4: 969,394 km (0.069 R)
• M5: 1,445,714 km (0.084 R)
• M6: 1,975,589 km (0.113 R)
• M7: 2,639,056 km (0.088 R)
• M8: 2,991,209 km (0.069 R)
• M9: 3,284,122 km (0.098 R)
• M10: 3,656,322 km (0.095 R)
• M11: 4,004,735 km (0.031 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 540.6

Radius: 9.8

Gravity: 5.63 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 0.92 AU - 1.02 AU

Year: 659 Days

Day: 9.7 Hours

Environment

Temp: -169 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 49,141,151 km

• M1: 123,269 km (0.115 R)
• M2: 445,353 km (0.097 R)
• M3: 1,210,396 km (0.073 R)
• M4: 1,680,433 km (0.075 R)
• M5: 1,985,313 km (0.036 R)
• M6: 2,467,168 km (0.037 R)
• M7: 2,819,471 km (0.104 R)
• M8: 3,329,151 km (0.076 R)
• M9: 3,666,494 km (0.066 R)
• M10: 4,245,288 km (0.103 R)
• M11: 4,900,078 km (0.08 R)
• M12: 6,274,135 km (0.065 R)
• M13: 6,771,099 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 181

Radius: 11.7

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 1.9 AU - 2.84 AU

Year: 2518 Days

Day: 11.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 49,141,151 km

• M1: 146,307 km (0.104 R)
• M2: 634,594 km (0.082 R)
• M3: 1,460,973 km (0.111 R)
• M4: 2,486,017 km (0.098 R)
• M5: 2,896,664 km (0.078 R)
• M6: 3,873,238 km (0.076 R)
• M7: 5,508,493 km (0.086 R)
• M8: 6,189,911 km (0.084 R)
• M9: 6,779,776 km (0.07 R)
• M10: 9,491,835 km (0.079 R)
• M11: 10,245,061 km (0.107 R)
• M12: 11,276,538 km (0.052 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 99.5

Radius: 5.3

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 6.88 AU - 9.48 AU

Year: 16149 Days

Day: 22.8 Hours

Environment

Temp: -234 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 49,141,151 km

• M1: 65,973 km (0.101 R)
• M2: 232,924 km (0.106 R)
• M3: 444,605 km (0.106 R)
• M4: 762,500 km (0.074 R)
• M5: 1,038,508 km (0.056 R)
• M6: 1,601,595 km (0.08 R)
• M7: 1,965,417 km (0.114 R)
• M8: 4,113,642 km (0.115 R)
• M9: 4,289,869 km (0.096 R)
• M10: 7,247,867 km (0.058 R)
• M11: 7,923,152 km (0.072 R)
• M12: 9,311,570 km (0.093 R)
• M13: 16,179,159 km (0.111 R)
• M14: 17,003,743 km (0.106 R)
• M15: 18,530,539 km (0.071 R)
• M16: 19,930,625 km (0.1 R)
• M17: 21,249,630 km (0.103 R)
• M18: 23,495,393 km (0.098 R)
• M19: 24,469,275 km (0.104 R)
• M20: 27,730,359 km (0.106 R)
• M21: 32,150,228 km (0.112 R)
• M22: 32,348,146 km (0.093 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 209.7

Radius: 7

Gravity: 4.28 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 8.23 AU - 9.85 AU

Year: 18761 Days

Day: 18.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 49,141,151 km

• M1: 87,515 km (0.117 R)
• M2: 491,429 km (0.087 R)
• M3: 826,229 km (0.037 R)
• M4: 1,129,614 km (0.079 R)
• M5: 2,101,401 km (0.094 R)
• M6: 2,591,933 km (0.087 R)
• M7: 3,773,606 km (0.053 R)
• M8: 4,237,210 km (0.088 R)
• M9: 6,671,018 km (0.076 R)
• M10: 8,248,378 km (0.086 R)
• M11: 9,076,252 km (0.055 R)
• M12: 9,857,452 km (0.11 R)
• M13: 11,221,336 km (0.088 R)
• M14: 14,578,013 km (0.096 R)
• M15: 17,792,872 km (0.082 R)
• M16: 18,244,208 km (0.091 R)
• M17: 19,884,399 km (0.106 R)
• M18: 21,620,632 km (0.115 R)
• M19: 21,962,463 km (0.109 R)
• M20: 24,734,811 km (0.112 R)
• M21: 25,108,656 km (0.115 R)
• M22: 27,133,912 km (0.044 R)
• M23: 33,402,213 km (0.096 R)
• M24: 37,174,772 km (0.118 R)
• M25: 37,419,663 km (0.106 R)
• M26: 40,055,428 km (0.112 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 312 - 10,402 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit