🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 270

Radius: 13.6

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 0.64 AU - 0.8 AU

Year: 429 Days

Day: 7.2 Hours

Environment

Temp: -164 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 66,899,232 km

• M1: 169,494 km (0.066 R)
• M2: 607,367 km (0.041 R)
• M3: 1,651,112 km (0.086 R)
• M4: 2,081,654 km (0.097 R)
• M5: 2,562,462 km (0.045 R)
• M6: 3,000,484 km (0.119 R)
• M7: 3,542,926 km (0.057 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 864.2

Radius: 12.9

Gravity: 5.19 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.58 AU - 0.86 AU

Year: 429 Days

Day: 13.6 Hours

Environment

Temp: -163 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 66,899,232 km

• M1: 161,865 km (0.087 R)
• M2: 587,172 km (0.046 R)
• M3: 1,087,427 km (0.06 R)
• M4: 1,491,042 km (0.093 R)
• M5: 2,014,186 km (0.083 R)
• M6: 3,700,453 km (0.068 R)
• M7: 4,734,174 km (0.119 R)
• M8: 5,302,646 km (0.09 R)
• M9: 5,828,333 km (0.068 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 57.2

Radius: 11.4

Gravity: 0.44 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 3.65 AU - 5.33 AU

Year: 6688 Days

Day: 10.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 66,899,232 km

• M1: 142,866 km (0.111 R)
• M2: 579,243 km (0.116 R)
• M3: 1,113,008 km (0.095 R)
• M4: 1,598,603 km (0.073 R)
• M5: 2,126,833 km (0.063 R)
• M6: 2,841,911 km (0.073 R)
• M7: 4,265,783 km (0.112 R)
• M8: 6,069,036 km (0.109 R)
• M9: 7,335,382 km (0.106 R)
• M10: 8,425,950 km (0.1 R)
• M11: 8,961,960 km (0.056 R)
• M12: 9,487,048 km (0.113 R)
• M13: 9,928,811 km (0.049 R)
• M14: 10,599,009 km (0.094 R)
• M15: 11,261,578 km (0.063 R)
• M16: 12,148,245 km (0.07 R)
• M17: 15,644,048 km (0.073 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 196.4

Radius: 11.2

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 4.5 AU - 5.04 AU

Year: 7323 Days

Day: 15 Hours

Environment

Temp: -214 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 66,899,232 km

• M1: 139,425 km (0.07 R)
• M2: 582,983 km (0.082 R)
• M3: 1,016,069 km (0.071 R)
• M4: 1,596,808 km (0.025 R)
• M5: 1,964,669 km (0.062 R)
• M6: 3,125,548 km (0.107 R)
• M7: 4,183,205 km (0.097 R)
• M8: 4,994,624 km (0.111 R)
• M9: 5,993,489 km (0.098 R)
• M10: 6,771,697 km (0.067 R)
• M11: 7,582,368 km (0.117 R)
• M12: 9,871,814 km (0.108 R)
• M13: 10,784,959 km (0.097 R)
• M14: 11,573,190 km (0.088 R)
• M15: 12,212,572 km (0.115 R)
• M16: 12,971,931 km (0.109 R)
• M17: 15,548,604 km (0.119 R)
• M18: 17,662,721 km (0.072 R)
• M19: 18,449,008 km (0.101 R)
• M20: 22,314,018 km (0.115 R)
• M21: 23,520,675 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 487.3

Radius: 8.6

Gravity: 6.59 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 4.42 AU - 5.34 AU

Year: 7578 Days

Day: 11.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 66,899,232 km

• M1: 106,962 km (0.067 R)
• M2: 510,877 km (0.115 R)
• M3: 2,242,771 km (0.036 R)
• M4: 3,403,202 km (0.106 R)
• M5: 6,136,056 km (0.08 R)
• M6: 6,536,380 km (0.096 R)
• M7: 6,918,453 km (0.074 R)
• M8: 7,463,737 km (0.117 R)
• M9: 7,842,818 km (0.097 R)
• M10: 8,155,328 km (0.074 R)
• M11: 8,889,105 km (0.05 R)
• M12: 10,254,784 km (0.067 R)
• M13: 11,158,056 km (0.109 R)
• M14: 12,321,329 km (0.055 R)
• M15: 16,294,948 km (0.049 R)
• M16: 17,194,031 km (0.103 R)
• M17: 17,655,840 km (0.074 R)
• M18: 23,056,173 km (0.038 R)
• M19: 24,685,145 km (0.053 R)
• M20: 25,188,392 km (0.117 R)
• M21: 26,389,364 km (0.12 R)
• M22: 27,538,275 km (0.105 R)
• M23: 29,464,198 km (0.078 R)
• M24: 35,459,183 km (0.107 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 784.2

Radius: 7.7

Gravity: 13.23 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 5.61 AU - 5.79 AU

Year: 9566 Days

Day: 21.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 66,899,232 km

• M1: 95,743 km (0.098 R)
• M2: 592,258 km (0.12 R)
• M3: 873,203 km (0.085 R)
• M4: 1,150,856 km (0.107 R)
• M5: 1,394,551 km (0.11 R)
• M6: 1,702,723 km (0.092 R)
• M7: 2,022,264 km (0.099 R)
• M8: 2,400,597 km (0.097 R)
• M9: 3,275,745 km (0.086 R)
• M10: 4,319,639 km (0.115 R)
• M11: 5,075,856 km (0.109 R)
• M12: 5,502,509 km (0.087 R)
• M13: 6,770,800 km (0.097 R)
• M14: 7,788,813 km (0.088 R)
• M15: 8,267,676 km (0.076 R)
• M16: 9,093,456 km (0.095 R)
• M17: 9,972,942 km (0.096 R)
• M18: 12,594,794 km (0.085 R)
• M19: 13,072,311 km (0.118 R)
• M20: 15,987,076 km (0.06 R)
• M21: 19,545,111 km (0.094 R)
• M22: 20,266,472 km (0.097 R)
• M23: 30,783,651 km (0.107 R)
• M24: 37,437,166 km (0.074 R)
• M25: 40,967,227 km (0.11 R)
• M26: 42,147,405 km (0.096 R)
• M27: 43,215,384 km (0.083 R)
• M28: 44,989,016 km (0.083 R)
• M29: 45,405,048 km (0.092 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 490.4

Radius: 3.1

Gravity: 51.03 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 8.15 AU - 10.17 AU

Year: 19487 Days

Day: 17.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 66,899,232 km

• M1: 51,611 km (0.1 R)
• M2: 210,484 km (0.111 R)
• M3: 511,774 km (0.11 R)
• M4: 648,956 km (0.065 R)
• M5: 790,026 km (0.097 R)
• M6: 1,506,301 km (0.107 R)
• M7: 1,772,585 km (0.078 R)
• M8: 2,168,421 km (0.084 R)
• M9: 2,485,269 km (0.055 R)
• M10: 3,132,131 km (0.113 R)
• M11: 3,707,334 km (0.109 R)
• M12: 3,913,779 km (0.064 R)
• M13: 4,222,101 km (0.115 R)
• M14: 4,349,857 km (0.104 R)
• M15: 5,171,150 km (0.058 R)
• M16: 6,848,142 km (0.046 R)
• M17: 7,024,667 km (0.053 R)
• M18: 7,386,694 km (0.053 R)
• M19: 10,049,087 km (0.047 R)
• M20: 11,655,021 km (0.025 R)
• M21: 13,424,165 km (0.053 R)
• M22: 16,050,505 km (0.074 R)
• M23: 18,400,239 km (0.118 R)
• M24: 19,348,241 km (0.082 R)
• M25: 20,419,062 km (0.078 R)
• M26: 22,387,022 km (0.098 R)
• M27: 25,835,253 km (0.091 R)
• M28: 28,585,311 km (0.112 R)
• M29: 34,015,115 km (0.075 R)
• M30: 35,967,367 km (0.101 R)
• M31: 36,500,235 km (0.099 R)
• M32: 40,522,473 km (0.085 R)
• M33: 46,698,172 km (0.093 R)
• M34: 48,617,662 km (0.091 R)
• M35: 52,613,122 km (0.093 R)
• M36: 55,041,993 km (0.112 R)
• M37: 64,325,439 km (0.034 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 365 - 13,975 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit