🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.02

Radius: 1.01

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 0.55 AU - 0.63 AU

Year: 293 Days

Day: 25.7 Hours

Environment

Temp: -119 °C

Axial Tilt: 34.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 979.8

Radius: 12

Gravity: 6.8 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.76 AU - 0.92 AU

Year: 497 Days

Day: 14.2 Hours

Environment

Temp: -144 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 55,556,947 km

• M1: 149,299 km (0.03 R)
• M2: 675,285 km (0.11 R)
• M3: 1,048,681 km (0.027 R)
• M4: 1,494,782 km (0.096 R)
• M5: 1,946,119 km (0.088 R)
• M6: 2,417,950 km (0.08 R)
• M7: 2,841,013 km (0.104 R)
• M8: 3,326,159 km (0.098 R)
• M9: 3,811,155 km (0.109 R)
• M10: 4,418,672 km (0.106 R)
• M11: 5,293,969 km (0.071 R)
• M12: 5,736,779 km (0.101 R)
• M13: 6,242,719 km (0.107 R)
• M14: 7,088,994 km (0.044 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 502.6

Radius: 12.9

Gravity: 3.02 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 1.99 AU - 2.85 AU

Year: 2431 Days

Day: 10.1 Hours

Environment

Temp: -194 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 55,556,947 km

• M1: 161,117 km (0.095 R)
• M2: 869,313 km (0.074 R)
• M3: 1,276,519 km (0.108 R)
• M4: 2,158,847 km (0.104 R)
• M5: 2,801,220 km (0.1 R)
• M6: 3,673,525 km (0.084 R)
• M7: 4,450,985 km (0.102 R)
• M8: 4,955,280 km (0.065 R)
• M9: 6,385,436 km (0.118 R)
• M10: 9,089,716 km (0.117 R)
• M11: 9,491,387 km (0.089 R)
• M12: 10,917,353 km (0.034 R)
• M13: 11,371,832 km (0.1 R)
• M14: 13,836,905 km (0.069 R)
• M15: 14,369,623 km (0.111 R)
• M16: 15,761,781 km (0.104 R)
• M17: 16,196,513 km (0.091 R)
• M18: 16,838,437 km (0.08 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 748

Radius: 12.1

Gravity: 5.11 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 3.26 AU - 4.9 AU

Year: 5321 Days

Day: 6.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 147.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 55,556,947 km

• M1: 150,495 km (0.12 R)
• M2: 717,471 km (0.092 R)
• M3: 1,320,500 km (0.074 R)
• M4: 1,719,328 km (0.109 R)
• M5: 2,108,732 km (0.072 R)
• M6: 2,679,896 km (0.063 R)
• M7: 3,763,134 km (0.082 R)
• M8: 4,330,110 km (0.095 R)
• M9: 5,230,540 km (0.12 R)
• M10: 8,026,823 km (0.117 R)
• M11: 8,928,749 km (0.069 R)
• M12: 10,565,499 km (0.06 R)
• M13: 11,746,126 km (0.097 R)
• M14: 15,756,545 km (0.086 R)
• M15: 17,808,729 km (0.107 R)
• M16: 18,397,995 km (0.075 R)
• M17: 19,135,812 km (0.026 R)
• M18: 20,886,256 km (0.101 R)
• M19: 23,747,764 km (0.106 R)
• M20: 25,766,887 km (0.07 R)
• M21: 27,985,872 km (0.098 R)
• M22: 29,051,757 km (0.103 R)
• M23: 32,412,174 km (0.07 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 421.1

Radius: 6

Gravity: 11.7 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 7.05 AU - 10.07 AU

Year: 16171 Days

Day: 16 Hours

Environment

Temp: -232 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 55,556,947 km

• M1: 76,145 km (0.104 R)
• M2: 412,741 km (0.113 R)
• M3: 647,609 km (0.107 R)
• M4: 1,015,470 km (0.047 R)
• M5: 1,372,710 km (0.072 R)
• M6: 1,745,209 km (0.119 R)
• M7: 2,417,502 km (0.118 R)
• M8: 4,053,654 km (0.065 R)
• M9: 4,658,627 km (0.084 R)
• M10: 4,883,922 km (0.118 R)
• M11: 5,749,196 km (0.068 R)
• M12: 6,122,293 km (0.101 R)
• M13: 6,511,547 km (0.099 R)
• M14: 7,645,050 km (0.082 R)
• M15: 8,050,609 km (0.051 R)
• M16: 8,758,058 km (0.059 R)
• M17: 9,660,881 km (0.085 R)
• M18: 10,028,293 km (0.119 R)
• M19: 11,300,922 km (0.038 R)
• M20: 12,991,378 km (0.083 R)
• M21: 16,342,969 km (0.053 R)
• M22: 16,714,420 km (0.094 R)
• M23: 17,784,344 km (0.049 R)
• M24: 20,229,522 km (0.098 R)
• M25: 20,744,138 km (0.084 R)
• M26: 34,511,780 km (0.097 R)
• M27: 39,605,887 km (0.1 R)
• M28: 42,750,584 km (0.093 R)
• M29: 45,763,634 km (0.119 R)
• M30: 51,411,403 km (0.101 R)
• M31: 53,176,059 km (0.078 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 213.6

Radius: 5.3

Gravity: 7.6 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 9.75 AU - 11.49 AU

Year: 22346 Days

Day: 16.1 Hours

Environment

Temp: -235 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 55,556,947 km

• M1: 65,973 km (0.083 R)
• M2: 306,227 km (0.054 R)
• M3: 537,056 km (0.11 R)
• M4: 706,401 km (0.109 R)
• M5: 1,134,101 km (0.063 R)
• M6: 1,719,029 km (0.115 R)
• M7: 2,024,059 km (0.094 R)
• M8: 2,590,736 km (0.095 R)
• M9: 3,862,467 km (0.105 R)
• M10: 4,118,729 km (0.102 R)
• M11: 4,295,703 km (0.073 R)
• M12: 4,890,205 km (0.053 R)
• M13: 6,514,688 km (0.102 R)
• M14: 7,913,428 km (0.054 R)
• M15: 8,095,638 km (0.106 R)
• M16: 10,234,738 km (0.042 R)
• M17: 11,992,214 km (0.112 R)
• M18: 13,744,005 km (0.091 R)
• M19: 14,007,447 km (0.112 R)
• M20: 15,025,461 km (0.111 R)
• M21: 17,284,089 km (0.057 R)
• M22: 20,010,810 km (0.1 R)
• M23: 26,298,109 km (0.098 R)
• M24: 26,704,267 km (0.106 R)
• M25: 27,011,691 km (0.118 R)
• M26: 27,529,150 km (0.12 R)
• M27: 28,905,600 km (0.109 R)
• M28: 32,371,782 km (0.118 R)
• M29: 32,721,243 km (0.084 R)
• M30: 33,073,247 km (0.052 R)
• M31: 34,627,718 km (0.12 R)
• M32: 37,624,313 km (0.097 R)
• M33: 45,862,369 km (0.114 R)
• M34: 52,293,581 km (0.088 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 461 - 11,918 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit