🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.91 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 127.3

Radius: 14.5

Gravity: 0.61 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 1.76 AU - 1.86 AU

Year: 1712 Days

Day: 9.1 Hours

Environment

Temp: -191 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 40,981,619 km

• M1: 180,565 km (0.085 R)
• M2: 778,657 km (0.093 R)
• M3: 1,243,158 km (0.062 R)
• M4: 1,815,520 km (0.026 R)
• M5: 6,236,436 km (0.109 R)
• M6: 6,732,802 km (0.107 R)
• M7: 8,383,165 km (0.073 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 133.1

Radius: 11.1

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 1.92 AU - 1.92 AU

Year: 1870 Days

Day: 5.6 Hours

Environment

Temp: -205 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 40,981,619 km

• M1: 138,827 km (0.116 R)
• M2: 489,484 km (0.086 R)
• M3: 915,389 km (0.08 R)
• M4: 1,269,188 km (0.032 R)
• M5: 1,733,540 km (0.118 R)
• M6: 2,755,593 km (0.047 R)
• M7: 4,001,294 km (0.1 R)
• M8: 4,563,034 km (0.106 R)
• M9: 5,103,980 km (0.088 R)
• M10: 6,809,246 km (0.078 R)
• M11: 7,283,472 km (0.115 R)
• M12: 8,222,647 km (0.076 R)
• M13: 8,630,750 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 91.6

Radius: 10.7

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 1.96 AU - 2.72 AU

Year: 2516 Days

Day: 10.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 40,981,619 km

• M1: 133,142 km (0.055 R)
• M2: 601,683 km (0.11 R)
• M3: 1,070,971 km (0.08 R)
• M4: 1,488,050 km (0.103 R)
• M5: 1,852,620 km (0.039 R)
• M6: 2,600,310 km (0.075 R)
• M7: 3,409,934 km (0.096 R)
• M8: 3,820,430 km (0.059 R)
• M9: 4,247,233 km (0.11 R)
• M10: 4,956,626 km (0.112 R)
• M11: 5,349,470 km (0.075 R)
• M12: 6,240,774 km (0.119 R)
• M13: 6,857,716 km (0.102 R)
• M14: 7,299,179 km (0.116 R)
• M15: 7,908,940 km (0.114 R)
• M16: 8,738,610 km (0.107 R)
• M17: 9,454,585 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 777.6

Radius: 13.4

Gravity: 4.33 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 2.23 AU - 2.49 AU

Year: 2548 Days

Day: 6 Hours

Environment

Temp: -207 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 40,981,619 km

• M1: 166,652 km (0.111 R)
• M2: 613,650 km (0.061 R)
• M3: 1,151,904 km (0.119 R)
• M4: 1,580,950 km (0.116 R)
• M5: 2,357,214 km (0.105 R)
• M6: 3,428,933 km (0.068 R)
• M7: 3,975,713 km (0.027 R)
• M8: 4,558,696 km (0.112 R)
• M9: 6,188,415 km (0.116 R)
• M10: 7,952,623 km (0.071 R)
• M11: 10,068,834 km (0.089 R)
• M12: 10,798,722 km (0.108 R)
• M13: 11,277,735 km (0.115 R)
• M14: 11,938,508 km (0.113 R)
• M15: 12,888,904 km (0.094 R)
• M16: 15,993,359 km (0.087 R)
• M17: 18,078,454 km (0.072 R)
• M18: 19,920,004 km (0.06 R)

Asteroid Belt

Center: 2.7 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 3.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 583.1

Radius: 13.4

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 2.32 AU - 3.76 AU

Year: 3726 Days

Day: 12.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 40,981,619 km

• M1: 167,699 km (0.111 R)
• M2: 1,021,305 km (0.113 R)
• M3: 1,638,994 km (0.069 R)
• M4: 2,965,030 km (0.045 R)
• M5: 4,180,812 km (0.056 R)
• M6: 5,236,524 km (0.113 R)
• M7: 6,174,951 km (0.107 R)
• M8: 7,034,840 km (0.093 R)
• M9: 9,066,678 km (0.118 R)
• M10: 9,630,513 km (0.04 R)
• M11: 12,034,850 km (0.063 R)
• M12: 14,009,093 km (0.119 R)
• M13: 14,712,801 km (0.039 R)
• M14: 16,631,094 km (0.043 R)
• M15: 18,234,335 km (0.062 R)
• M16: 19,195,651 km (0.11 R)
• M17: 21,350,309 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 890.1

Radius: 14

Gravity: 4.54 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 2.71 AU - 3.91 AU

Year: 4233 Days

Day: 6.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 40,981,619 km

• M1: 174,132 km (0.113 R)
• M2: 648,806 km (0.118 R)
• M3: 1,246,898 km (0.109 R)
• M4: 1,683,126 km (0.075 R)
• M5: 2,345,994 km (0.1 R)
• M6: 2,845,352 km (0.105 R)
• M7: 3,436,263 km (0.041 R)
• M8: 5,322,094 km (0.092 R)
• M9: 6,506,011 km (0.113 R)
• M10: 10,621,748 km (0.102 R)
• M11: 11,391,429 km (0.055 R)
• M12: 12,393,286 km (0.064 R)
• M13: 13,042,391 km (0.083 R)
• M14: 15,409,179 km (0.094 R)
• M15: 16,574,696 km (0.038 R)
• M16: 18,689,860 km (0.089 R)
• M17: 20,150,983 km (0.095 R)
• M18: 22,556,965 km (0.06 R)
• M19: 23,075,172 km (0.064 R)
• M20: 23,677,154 km (0.083 R)
• M21: 25,626,115 km (0.049 R)
• M22: 26,109,466 km (0.096 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 808.6

Radius: 3.8

Gravity: 56 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 5.07 AU - 6.55 AU

Year: 9844 Days

Day: 20.2 Hours

Environment

Temp: -235 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 40,981,619 km

• M1: 56,099 km (0.073 R)
• M2: 184,753 km (0.025 R)
• M3: 306,526 km (0.029 R)
• M4: 441,912 km (0.117 R)
• M5: 573,259 km (0.069 R)
• M6: 1,583,045 km (0.104 R)
• M7: 2,033,185 km (0.092 R)
• M8: 2,861,059 km (0.094 R)
• M9: 3,549,808 km (0.09 R)
• M10: 4,371,998 km (0.112 R)
• M11: 5,246,996 km (0.093 R)
• M12: 6,968,119 km (0.119 R)
• M13: 7,170,824 km (0.063 R)
• M14: 11,471,015 km (0.105 R)
• M15: 12,931,539 km (0.086 R)
• M16: 15,245,519 km (0.074 R)
• M17: 16,787,574 km (0.062 R)
• M18: 19,211,658 km (0.06 R)
• M19: 21,345,372 km (0.098 R)
• M20: 23,269,799 km (0.037 R)
• M21: 30,695,837 km (0.072 R)
• M22: 34,762,207 km (0.104 R)
• M23: 34,998,123 km (0.107 R)
• M24: 38,037,353 km (0.108 R)
• M25: 38,162,566 km (0.06 R)
• M26: 43,258,618 km (0.11 R)
• M27: 44,773,745 km (0.112 R)
• M28: 45,897,824 km (0.101 R)
• M29: 48,642,346 km (0.07 R)
• M30: 49,680,406 km (0.074 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 158.3

Radius: 3.9

Gravity: 10.41 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 6.49 AU - 9.87 AU

Year: 16445 Days

Day: 24.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 40,981,619 km

• M1: 49,367 km (0.111 R)
• M2: 198,068 km (0.053 R)
• M3: 390,899 km (0.101 R)
• M4: 559,646 km (0.071 R)
• M5: 688,150 km (0.114 R)
• M6: 966,402 km (0.047 R)
• M7: 1,671,607 km (0.069 R)
• M8: 2,747,664 km (0.109 R)
• M9: 3,441,050 km (0.1 R)
• M10: 4,217,463 km (0.116 R)
• M11: 8,243,441 km (0.057 R)
• M12: 9,804,046 km (0.07 R)
• M13: 10,283,657 km (0.034 R)
• M14: 10,778,826 km (0.109 R)
• M15: 11,134,869 km (0.117 R)
• M16: 15,390,479 km (0.049 R)
• M17: 16,037,640 km (0.083 R)
• M18: 16,838,138 km (0.089 R)
• M19: 19,250,104 km (0.099 R)
• M20: 20,230,120 km (0.074 R)
• M21: 21,163,760 km (0.106 R)
• M22: 24,309,654 km (0.084 R)
• M23: 35,588,735 km (0.114 R)
• M24: 36,376,817 km (0.114 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: 193 - 10,597 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit