🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.98

Radius: 1.74

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.51 AU - 0.81 AU

Year: 346 Days

Day: 22.1 Hours

Environment

Temp: -141 °C

Axial Tilt: 41.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.47 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 413.7

Radius: 9.3

Gravity: 4.78 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 2.19 AU - 2.35 AU

Year: 2208 Days

Day: 8.9 Hours

Environment

Temp: -185 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 27,272,267 km

• M1: 115,639 km (0.108 R)
• M2: 553,213 km (0.085 R)
• M3: 847,622 km (0.09 R)
• M4: 1,383,930 km (0.079 R)
• M5: 1,699,581 km (0.087 R)
• M6: 2,893,223 km (0.096 R)
• M7: 3,805,620 km (0.111 R)
• M8: 4,815,705 km (0.117 R)
• M9: 5,551,876 km (0.094 R)
• M10: 6,820,616 km (0.103 R)
• M11: 8,036,996 km (0.079 R)
• M12: 8,789,473 km (0.109 R)
• M13: 10,192,701 km (0.106 R)
• M14: 10,858,113 km (0.118 R)
• M15: 11,815,090 km (0.102 R)
• M16: 12,988,237 km (0.114 R)
• M17: 13,561,496 km (0.116 R)
• M18: 13,981,118 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 696.7

Radius: 14.2

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 2.54 AU - 3.58 AU

Year: 3456 Days

Day: 12.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 27,272,267 km

• M1: 177,423 km (0.116 R)
• M2: 699,370 km (0.102 R)
• M3: 1,178,233 km (0.09 R)
• M4: 1,628,822 km (0.108 R)
• M5: 2,323,853 km (0.115 R)
• M6: 3,376,424 km (0.074 R)
• M7: 3,990,972 km (0.079 R)
• M8: 5,140,183 km (0.102 R)
• M9: 6,558,520 km (0.071 R)
• M10: 7,106,198 km (0.053 R)
• M11: 8,825,826 km (0.097 R)
• M12: 9,418,832 km (0.103 R)
• M13: 10,237,281 km (0.092 R)
• M14: 11,102,705 km (0.08 R)
• M15: 12,241,145 km (0.062 R)
• M16: 12,699,214 km (0.039 R)
• M17: 14,043,351 km (0.097 R)
• M18: 15,374,472 km (0.059 R)
• M19: 16,179,758 km (0.108 R)
• M20: 18,050,778 km (0.119 R)
• M21: 19,008,055 km (0.106 R)
• M22: 19,561,268 km (0.079 R)
• M23: 20,188,681 km (0.094 R)
• M24: 20,764,633 km (0.08 R)
• M25: 21,815,708 km (0.056 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 941.6

Radius: 8.7

Gravity: 12.44 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 2.6 AU - 4.32 AU

Year: 4156 Days

Day: 11.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 27,272,267 km

• M1: 108,159 km (0.106 R)
• M2: 664,813 km (0.106 R)
• M3: 1,487,900 km (0.038 R)
• M4: 2,542,266 km (0.111 R)
• M5: 3,005,272 km (0.087 R)
• M6: 3,760,292 km (0.057 R)
• M7: 4,100,328 km (0.057 R)
• M8: 5,081,840 km (0.12 R)
• M9: 5,877,700 km (0.116 R)
• M10: 6,527,404 km (0.117 R)
• M11: 6,953,010 km (0.074 R)
• M12: 11,658,910 km (0.113 R)
• M13: 13,037,754 km (0.097 R)
• M14: 14,195,043 km (0.077 R)
• M15: 21,953,787 km (0.117 R)
• M16: 22,761,017 km (0.09 R)
• M17: 23,740,284 km (0.031 R)
• M18: 25,381,224 km (0.078 R)
• M19: 27,263,614 km (0.117 R)
• M20: 28,626,899 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 38.2

Radius: 14

Gravity: 0.19 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 3.8 AU - 4.7 AU

Year: 5657 Days

Day: 10.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 43.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 27,272,267 km

• M1: 178,171 km (0.025 R)
• M2: 774,767 km (0.108 R)
• M3: 1,284,747 km (0.1 R)
• M4: 1,881,044 km (0.059 R)
• M5: 2,354,970 km (0.12 R)
• M6: 3,160,853 km (0.089 R)
• M7: 3,597,679 km (0.118 R)
• M8: 6,762,871 km (0.034 R)
• M9: 7,443,092 km (0.092 R)
• M10: 8,970,337 km (0.098 R)
• M11: 9,761,261 km (0.105 R)
• M12: 10,238,478 km (0.09 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 135.4

Radius: 9.3

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 4.41 AU - 6.45 AU

Year: 8170 Days

Day: 7.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 27,272,267 km

• M1: 116,238 km (0.1 R)
• M2: 547,379 km (0.117 R)
• M3: 1,095,655 km (0.115 R)
• M4: 1,523,355 km (0.054 R)
• M5: 1,826,440 km (0.08 R)
• M6: 2,653,268 km (0.065 R)
• M7: 3,432,972 km (0.095 R)
• M8: 5,792,430 km (0.037 R)
• M9: 6,101,948 km (0.103 R)
• M10: 7,921,656 km (0.035 R)
• M11: 8,771,222 km (0.114 R)
• M12: 9,104,975 km (0.109 R)
• M13: 9,602,239 km (0.104 R)
• M14: 10,077,062 km (0.084 R)
• M15: 10,776,582 km (0.076 R)
• M16: 12,690,537 km (0.094 R)
• M17: 13,901,981 km (0.094 R)
• M18: 14,664,780 km (0.083 R)
• M19: 15,083,056 km (0.093 R)
• M20: 15,509,110 km (0.105 R)
• M21: 16,108,100 km (0.111 R)
• M22: 16,892,592 km (0.046 R)
• M23: 18,296,418 km (0.064 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 183.9

Radius: 10.1

Gravity: 1.8 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 4.13 AU - 6.83 AU

Year: 8283 Days

Day: 7.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 27,272,267 km

• M1: 161,715 km (0.116 R)
• M2: 515,065 km (0.118 R)
• M3: 895,792 km (0.114 R)
• M4: 2,699,643 km (0.095 R)
• M5: 3,071,843 km (0.101 R)
• M6: 4,400,272 km (0.069 R)
• M7: 5,644,477 km (0.066 R)
• M8: 7,109,340 km (0.114 R)
• M9: 7,443,990 km (0.027 R)
• M10: 8,145,006 km (0.068 R)
• M11: 11,260,381 km (0.068 R)
• M12: 13,107,466 km (0.028 R)
• M13: 14,339,704 km (0.075 R)
• M14: 15,093,378 km (0.059 R)
• M15: 16,158,216 km (0.106 R)
• M16: 17,152,593 km (0.115 R)
• M17: 22,673,203 km (0.072 R)
• M18: 23,695,704 km (0.101 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: 193 - 18,751 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit