🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.89

Radius: 1.29

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.51 AU - 0.63 AU

Year: 282 Days

Day: 34.5 Hours

Environment

Temp: -125 °C

Axial Tilt: 8.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 41,242,479 km

• M1: 115,938 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 544.9

Radius: 13.7

Gravity: 2.9 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.56 AU - 0.8 AU

Year: 368 Days

Day: 12.4 Hours

Environment

Temp: -133 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 41,242,479 km

• M1: 170,392 km (0.097 R)
• M2: 611,257 km (0.043 R)
• M3: 1,139,337 km (0.119 R)
• M4: 2,499,481 km (0.113 R)
• M5: 3,072,291 km (0.115 R)
• M6: 3,673,525 km (0.046 R)
• M7: 4,405,208 km (0.056 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 559.2

Radius: 9.5

Gravity: 6.2 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 0.85 AU - 1.09 AU

Year: 627 Days

Day: 6.8 Hours

Environment

Temp: -167 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 41,242,479 km

• M1: 118,182 km (0.119 R)
• M2: 464,501 km (0.118 R)
• M3: 777,161 km (0.061 R)
• M4: 1,129,614 km (0.103 R)
• M5: 1,641,986 km (0.076 R)
• M6: 2,026,752 km (0.098 R)
• M7: 2,361,851 km (0.116 R)
• M8: 3,390,935 km (0.079 R)
• M9: 4,538,650 km (0.047 R)
• M10: 5,780,911 km (0.09 R)
• M11: 6,228,657 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 807

Radius: 9.8

Gravity: 8.4 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 1.57 AU - 2.27 AU

Year: 1745 Days

Day: 8.3 Hours

Environment

Temp: -178 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 41,242,479 km

• M1: 122,670 km (0.068 R)
• M2: 760,556 km (0.096 R)
• M3: 1,148,612 km (0.058 R)
• M4: 1,504,356 km (0.039 R)
• M5: 1,967,511 km (0.079 R)
• M6: 2,289,745 km (0.109 R)
• M7: 2,876,917 km (0.118 R)
• M8: 3,630,591 km (0.082 R)
• M9: 4,490,180 km (0.113 R)
• M10: 5,433,993 km (0.102 R)
• M11: 5,808,287 km (0.093 R)
• M12: 6,402,190 km (0.07 R)
• M13: 6,954,356 km (0.047 R)
• M14: 8,275,305 km (0.083 R)
• M15: 9,059,797 km (0.072 R)
• M16: 9,722,515 km (0.103 R)
• M17: 10,275,579 km (0.036 R)
• M18: 10,667,824 km (0.088 R)
• M19: 11,866,253 km (0.078 R)
• M20: 14,001,762 km (0.084 R)
• M21: 14,351,672 km (0.116 R)
• M22: 15,810,101 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 353.5

Radius: 13.9

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 2.26 AU - 3.22 AU

Year: 2975 Days

Day: 6.9 Hours

Environment

Temp: -195 °C

Axial Tilt: 138.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 41,242,479 km

• M1: 172,935 km (0.063 R)
• M2: 635,492 km (0.085 R)
• M3: 1,096,253 km (0.1 R)
• M4: 2,357,363 km (0.073 R)
• M5: 2,843,856 km (0.088 R)
• M6: 3,674,273 km (0.112 R)
• M7: 5,093,957 km (0.037 R)
• M8: 7,214,956 km (0.093 R)
• M9: 8,441,060 km (0.113 R)
• M10: 9,732,239 km (0.119 R)
• M11: 11,497,344 km (0.101 R)
• M12: 15,415,761 km (0.062 R)
• M13: 16,932,534 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 511.7

Radius: 14.5

Gravity: 2.43 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 3.86 AU - 4.28 AU

Year: 5386 Days

Day: 11 Hours

Environment

Temp: -213 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 41,242,479 km

• M1: 247,584 km (0.076 R)
• M2: 1,162,525 km (0.094 R)
• M3: 1,689,110 km (0.105 R)
• M4: 2,166,776 km (0.049 R)
• M5: 3,266,170 km (0.074 R)
• M6: 3,975,713 km (0.088 R)
• M7: 5,395,846 km (0.084 R)
• M8: 5,879,196 km (0.077 R)
• M9: 6,453,652 km (0.078 R)
• M10: 8,556,549 km (0.107 R)
• M11: 9,216,575 km (0.087 R)
• M12: 10,993,648 km (0.051 R)
• M13: 11,821,673 km (0.066 R)
• M14: 12,641,319 km (0.106 R)
• M15: 13,141,126 km (0.084 R)
• M16: 14,394,606 km (0.103 R)
• M17: 15,217,544 km (0.116 R)
• M18: 17,321,040 km (0.087 R)
• M19: 18,506,453 km (0.112 R)
• M20: 19,479,887 km (0.086 R)
• M21: 20,012,754 km (0.078 R)
• M22: 23,492,700 km (0.106 R)
• M23: 25,573,457 km (0.099 R)
• M24: 28,280,281 km (0.073 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 553.3

Radius: 11.1

Gravity: 4.49 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 5.28 AU - 6.08 AU

Year: 8880 Days

Day: 7.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 41,242,479 km

• M1: 141,071 km (0.113 R)
• M2: 860,487 km (0.086 R)
• M3: 1,315,863 km (0.096 R)
• M4: 1,725,312 km (0.085 R)
• M5: 2,305,602 km (0.088 R)
• M6: 3,451,971 km (0.067 R)
• M7: 6,362,098 km (0.088 R)
• M8: 8,283,085 km (0.072 R)
• M9: 9,285,689 km (0.096 R)
• M10: 9,887,073 km (0.113 R)
• M11: 10,613,071 km (0.081 R)
• M12: 11,065,605 km (0.093 R)
• M13: 13,700,023 km (0.091 R)
• M14: 14,116,354 km (0.104 R)
• M15: 15,099,811 km (0.085 R)
• M16: 15,608,443 km (0.092 R)
• M17: 17,409,751 km (0.098 R)
• M18: 18,253,184 km (0.114 R)
• M19: 18,612,668 km (0.094 R)
• M20: 19,945,884 km (0.057 R)
• M21: 21,901,876 km (0.119 R)
• M22: 27,864,099 km (0.087 R)
• M23: 29,115,336 km (0.086 R)
• M24: 30,103,131 km (0.119 R)
• M25: 32,459,746 km (0.065 R)
• M26: 36,164,687 km (0.093 R)
• M27: 36,618,417 km (0.118 R)
• M28: 38,002,048 km (0.076 R)
• M29: 39,062,547 km (0.081 R)
• M30: 39,420,385 km (0.072 R)
• M31: 39,900,894 km (0.062 R)
• M32: 40,385,292 km (0.107 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 367 - 17,281 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit