🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 499.9

Radius: 8.2

Gravity: 7.43 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.45 AU - 0.63 AU

Year: 269 Days

Day: 5.1 Hours

Environment

Temp: -153 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 38,253,197 km

• M1: 102,026 km (0.102 R)
• M2: 401,969 km (0.09 R)
• M3: 676,631 km (0.117 R)
• M4: 1,133,503 km (0.094 R)
• M5: 1,458,430 km (0.084 R)
• M6: 1,784,852 km (0.072 R)
• M7: 2,070,584 km (0.083 R)
• M8: 2,595,523 km (0.095 R)
• M9: 3,216,354 km (0.088 R)
• M10: 3,830,603 km (0.064 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 791.7

Radius: 9.7

Gravity: 8.41 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 1.77 AU - 1.79 AU

Year: 1611 Days

Day: 7.7 Hours

Environment

Temp: -189 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 38,253,197 km

• M1: 120,725 km (0.053 R)
• M2: 434,582 km (0.099 R)
• M3: 764,894 km (0.069 R)
• M4: 1,502,860 km (0.102 R)
• M5: 1,816,268 km (0.074 R)
• M6: 2,150,021 km (0.095 R)
• M7: 3,311,199 km (0.071 R)
• M8: 4,195,771 km (0.086 R)
• M9: 4,889,158 km (0.088 R)
• M10: 6,203,674 km (0.077 R)
• M11: 6,707,669 km (0.082 R)
• M12: 7,542,425 km (0.047 R)
• M13: 8,324,523 km (0.053 R)
• M14: 11,436,009 km (0.093 R)
• M15: 11,925,194 km (0.088 R)
• M16: 12,428,292 km (0.095 R)
• M17: 14,583,399 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 540.1

Radius: 8.5

Gravity: 7.48 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 4.69 AU - 5.45 AU

Year: 7743 Days

Day: 14.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 49.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 38,253,197 km

• M1: 106,065 km (0.042 R)
• M2: 431,141 km (0.048 R)
• M3: 782,995 km (0.054 R)
• M4: 1,372,112 km (0.115 R)
• M5: 2,560,816 km (0.091 R)
• M6: 5,839,254 km (0.103 R)
• M7: 6,368,232 km (0.107 R)
• M8: 7,184,139 km (0.036 R)
• M9: 8,724,249 km (0.073 R)
• M10: 9,065,631 km (0.1 R)
• M11: 9,371,559 km (0.093 R)
• M12: 9,866,279 km (0.089 R)
• M13: 10,473,197 km (0.066 R)
• M14: 11,916,667 km (0.104 R)
• M15: 13,601,588 km (0.085 R)
• M16: 15,750,711 km (0.067 R)
• M17: 19,026,605 km (0.109 R)
• M18: 19,674,065 km (0.075 R)
• M19: 20,485,184 km (0.027 R)
• M20: 21,626,915 km (0.073 R)
• M21: 25,392,743 km (0.088 R)
• M22: 32,433,566 km (0.044 R)
• M23: 34,828,628 km (0.117 R)
• M24: 35,797,125 km (0.102 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 861.6

Radius: 4.5

Gravity: 42.55 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 6.45 AU - 6.49 AU

Year: 11162 Days

Day: 18 Hours

Environment

Temp: -223 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 38,253,197 km

• M1: 56,847 km (0.095 R)
• M2: 259,104 km (0.09 R)
• M3: 514,467 km (0.092 R)
• M4: 946,057 km (0.029 R)
• M5: 1,225,356 km (0.113 R)
• M6: 1,844,542 km (0.098 R)
• M7: 2,000,722 km (0.08 R)
• M8: 4,924,313 km (0.111 R)
• M9: 5,648,217 km (0.087 R)
• M10: 6,966,922 km (0.057 R)
• M11: 7,347,649 km (0.091 R)
• M12: 9,513,228 km (0.078 R)
• M13: 9,667,613 km (0.077 R)
• M14: 10,087,833 km (0.089 R)
• M15: 10,574,774 km (0.116 R)
• M16: 10,964,327 km (0.117 R)
• M17: 11,421,199 km (0.071 R)
• M18: 11,950,177 km (0.069 R)
• M19: 13,120,332 km (0.12 R)
• M20: 14,364,836 km (0.086 R)
• M21: 15,260,329 km (0.07 R)
• M22: 16,709,633 km (0.096 R)
• M23: 17,467,795 km (0.073 R)
• M24: 21,961,117 km (0.045 R)
• M25: 23,993,254 km (0.098 R)
• M26: 26,756,477 km (0.088 R)
• M27: 27,897,609 km (0.09 R)
• M28: 29,396,430 km (0.09 R)
• M29: 37,062,274 km (0.119 R)
• M30: 38,478,816 km (0.106 R)
• M31: 38,740,313 km (0.117 R)
• M32: 39,398,843 km (0.115 R)
• M33: 46,845,526 km (0.106 R)
• M34: 49,265,272 km (0.087 R)
• M35: 51,608,124 km (0.094 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 89.4

Radius: 6

Gravity: 2.48 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 7.8 AU - 11.12 AU

Year: 19735 Days

Day: 23.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 38,253,197 km

• M1: 74,649 km (0.09 R)
• M2: 454,030 km (0.08 R)
• M3: 1,136,645 km (0.027 R)
• M4: 2,169,618 km (0.103 R)
• M5: 2,648,630 km (0.053 R)
• M6: 3,718,554 km (0.04 R)
• M7: 5,168,906 km (0.104 R)
• M8: 6,187,069 km (0.076 R)
• M9: 7,639,963 km (0.046 R)
• M10: 9,712,193 km (0.112 R)
• M11: 13,113,899 km (0.076 R)
• M12: 13,395,592 km (0.113 R)
• M13: 15,734,405 km (0.075 R)
• M14: 18,472,495 km (0.12 R)
• M15: 19,185,478 km (0.111 R)
• M16: 23,273,689 km (0.079 R)
• M17: 25,215,319 km (0.041 R)
• M18: 25,827,025 km (0.115 R)
• M19: 26,538,213 km (0.102 R)
• M20: 33,432,132 km (0.088 R)
• M21: 34,596,901 km (0.109 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 367 - 17,861 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit