🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.48 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 852.6

Radius: 8.5

Gravity: 11.8 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 2.92 AU - 3 AU

Year: 3341 Days

Day: 10.3 Hours

Environment

Temp: -203 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 56,092,018 km

• M1: 111,301 km (0.102 R)
• M2: 391,049 km (0.111 R)
• M3: 690,095 km (0.103 R)
• M4: 994,078 km (0.058 R)
• M5: 1,419,684 km (0.086 R)
• M6: 2,313,531 km (0.118 R)
• M7: 2,943,189 km (0.053 R)
• M8: 4,564,081 km (0.118 R)
• M9: 5,940,083 km (0.12 R)
• M10: 6,494,941 km (0.098 R)
• M11: 7,506,971 km (0.036 R)
• M12: 7,775,649 km (0.111 R)
• M13: 8,296,848 km (0.118 R)
• M14: 13,000,653 km (0.065 R)
• M15: 14,704,424 km (0.081 R)
• M16: 16,665,502 km (0.034 R)
• M17: 17,356,195 km (0.097 R)
• M18: 20,702,401 km (0.108 R)
• M19: 22,457,333 km (0.109 R)
• M20: 23,299,868 km (0.085 R)
• M21: 24,017,789 km (0.116 R)
• M22: 24,824,570 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 909.8

Radius: 8.5

Gravity: 12.59 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 3.32 AU - 3.98 AU

Year: 4575 Days

Day: 8.5 Hours

Environment

Temp: -210 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 56,092,018 km

• M1: 105,766 km (0.116 R)
• M2: 484,996 km (0.054 R)
• M3: 782,696 km (0.117 R)
• M4: 1,298,809 km (0.061 R)
• M5: 1,736,682 km (0.109 R)
• M6: 2,465,223 km (0.106 R)
• M7: 3,383,904 km (0.097 R)
• M8: 4,144,609 km (0.038 R)
• M9: 4,826,327 km (0.032 R)
• M10: 5,493,084 km (0.111 R)
• M11: 6,347,138 km (0.1 R)
• M12: 9,027,932 km (0.067 R)
• M13: 11,216,699 km (0.091 R)
• M14: 11,501,234 km (0.083 R)
• M15: 11,937,012 km (0.04 R)
• M16: 13,363,428 km (0.113 R)
• M17: 13,683,268 km (0.107 R)
• M18: 14,673,756 km (0.081 R)
• M19: 17,484,251 km (0.094 R)
• M20: 19,116,514 km (0.118 R)
• M21: 20,004,377 km (0.091 R)
• M22: 20,634,932 km (0.093 R)
• M23: 22,232,039 km (0.084 R)
• M24: 22,756,978 km (0.102 R)
• M25: 29,179,214 km (0.1 R)
• M26: 29,990,184 km (0.07 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 818.5

Radius: 12

Gravity: 5.68 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 4.14 AU - 6.16 AU

Year: 7667 Days

Day: 10 Hours

Environment

Temp: -209 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 56,092,018 km

• M1: 149,299 km (0.089 R)
• M2: 853,306 km (0.09 R)
• M3: 1,731,296 km (0.068 R)
• M4: 2,282,564 km (0.052 R)
• M5: 2,948,873 km (0.025 R)
• M6: 3,840,477 km (0.066 R)
• M7: 5,053,266 km (0.058 R)
• M8: 6,188,415 km (0.12 R)
• M9: 8,221,001 km (0.039 R)
• M10: 9,003,099 km (0.034 R)
• M11: 9,551,525 km (0.1 R)
• M12: 10,715,396 km (0.081 R)
• M13: 11,436,757 km (0.113 R)
• M14: 11,917,415 km (0.091 R)
• M15: 13,207,248 km (0.101 R)
• M16: 14,280,014 km (0.057 R)
• M17: 16,939,416 km (0.057 R)
• M18: 17,847,325 km (0.045 R)
• M19: 18,787,548 km (0.09 R)
• M20: 19,760,383 km (0.113 R)
• M21: 20,220,695 km (0.07 R)
• M22: 22,133,454 km (0.085 R)
• M23: 28,108,393 km (0.045 R)
• M24: 28,690,777 km (0.113 R)
• M25: 29,182,356 km (0.098 R)
• M26: 32,250,459 km (0.119 R)
• M27: 36,322,812 km (0.05 R)
• M28: 37,596,638 km (0.102 R)
• M29: 41,974,171 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 56.3

Radius: 12.6

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 5.46 AU - 5.76 AU

Year: 8717 Days

Day: 14.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 56,092,018 km

• M1: 163,810 km (0.093 R)
• M2: 597,943 km (0.054 R)
• M3: 1,058,854 km (0.074 R)
• M4: 2,335,073 km (0.06 R)
• M5: 3,704,941 km (0.071 R)
• M6: 4,109,454 km (0.093 R)
• M7: 4,917,731 km (0.106 R)
• M8: 6,935,507 km (0.103 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 870.7

Radius: 6.5

Gravity: 20.61 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 5 AU - 7.9 AU

Year: 10746 Days

Day: 22.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 56,092,018 km

• M1: 82,129 km (0.041 R)
• M2: 312,061 km (0.08 R)
• M3: 584,628 km (0.119 R)
• M4: 804,986 km (0.062 R)
• M5: 1,036,863 km (0.062 R)
• M6: 1,287,738 km (0.087 R)
• M7: 1,948,063 km (0.072 R)
• M8: 2,514,291 km (0.106 R)
• M9: 2,949,172 km (0.082 R)
• M10: 3,209,174 km (0.096 R)
• M11: 4,139,523 km (0.068 R)
• M12: 4,745,992 km (0.099 R)
• M13: 5,204,510 km (0.109 R)
• M14: 6,598,463 km (0.093 R)
• M15: 6,920,846 km (0.098 R)
• M16: 9,531,180 km (0.095 R)
• M17: 10,207,212 km (0.068 R)
• M18: 12,125,955 km (0.07 R)
• M19: 13,107,167 km (0.082 R)
• M20: 15,087,693 km (0.109 R)
• M21: 17,640,581 km (0.088 R)
• M22: 18,817,916 km (0.079 R)
• M23: 19,221,681 km (0.107 R)
• M24: 22,572,224 km (0.046 R)
• M25: 25,992,780 km (0.065 R)
• M26: 26,292,574 km (0.11 R)
• M27: 30,291,624 km (0.079 R)
• M28: 34,197,624 km (0.083 R)
• M29: 34,920,033 km (0.114 R)
• M30: 35,899,151 km (0.117 R)
• M31: 36,395,516 km (0.066 R)
• M32: 37,022,331 km (0.058 R)
• M33: 37,528,870 km (0.105 R)
• M34: 38,297,504 km (0.106 R)
• M35: 48,506,212 km (0.118 R)
• M36: 50,341,030 km (0.066 R)
• M37: 53,501,135 km (0.087 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 624.4

Radius: 5.6

Gravity: 19.91 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 6.46 AU - 8.38 AU

Year: 13259 Days

Day: 16.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 56,092,018 km

• M1: 69,713 km (0.115 R)
• M2: 290,669 km (0.062 R)
• M3: 595,848 km (0.109 R)
• M4: 924,216 km (0.092 R)
• M5: 1,222,065 km (0.107 R)
• M6: 2,028,547 km (0.115 R)
• M7: 2,330,286 km (0.111 R)
• M8: 2,861,508 km (0.118 R)
• M9: 3,143,650 km (0.098 R)
• M10: 3,987,531 km (0.109 R)
• M11: 4,190,685 km (0.118 R)
• M12: 4,874,497 km (0.05 R)
• M13: 5,487,100 km (0.112 R)
• M14: 5,960,578 km (0.109 R)
• M15: 7,677,363 km (0.07 R)
• M16: 8,600,382 km (0.099 R)
• M17: 8,793,512 km (0.056 R)
• M18: 9,543,746 km (0.117 R)
• M19: 14,414,054 km (0.112 R)
• M20: 16,768,725 km (0.064 R)
• M21: 17,918,983 km (0.051 R)
• M22: 23,327,993 km (0.114 R)
• M23: 26,349,571 km (0.106 R)
• M24: 31,071,777 km (0.1 R)
• M25: 31,298,867 km (0.097 R)
• M26: 34,962,369 km (0.091 R)
• M27: 36,202,535 km (0.075 R)
• M28: 37,987,687 km (0.11 R)
• M29: 39,430,708 km (0.068 R)
• M30: 40,773,947 km (0.117 R)
• M31: 43,836,066 km (0.077 R)
• M32: 50,413,136 km (0.055 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 523 - 18,011 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit