🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 208.5

Radius: 14.4

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.82 AU - 1.1 AU

Year: 649 Days

Day: 13.6 Hours

Environment

Temp: -176 °C

Axial Tilt: 116.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 41,031,823 km

• M1: 179,069 km (0.068 R)
• M2: 704,606 km (0.085 R)
• M3: 1,354,758 km (0.089 R)
• M4: 2,040,665 km (0.118 R)
• M5: 2,547,502 km (0.049 R)
• M6: 3,594,837 km (0.057 R)
• M7: 4,172,584 km (0.108 R)
• M8: 4,656,683 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 362.2

Radius: 8.3

Gravity: 5.26 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 1.38 AU - 1.84 AU

Year: 1410 Days

Day: 6.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 41,031,823 km

• M1: 103,223 km (0.109 R)
• M2: 552,914 km (0.101 R)
• M3: 851,810 km (0.108 R)
• M4: 1,115,252 km (0.099 R)
• M5: 1,466,358 km (0.111 R)
• M6: 1,890,319 km (0.108 R)
• M7: 2,326,696 km (0.066 R)
• M8: 2,727,917 km (0.1 R)
• M9: 3,563,571 km (0.105 R)
• M10: 3,967,934 km (0.099 R)
• M11: 4,905,763 km (0.088 R)
• M12: 5,367,123 km (0.092 R)
• M13: 5,773,431 km (0.119 R)
• M14: 6,265,907 km (0.118 R)
• M15: 6,973,654 km (0.109 R)
• M16: 7,759,043 km (0.061 R)
• M17: 8,493,569 km (0.047 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 341.3

Radius: 14.6

Gravity: 1.6 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 2.1 AU - 2.2 AU

Year: 2176 Days

Day: 9.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 41,031,823 km

• M1: 182,210 km (0.093 R)
• M2: 798,853 km (0.074 R)
• M3: 1,368,970 km (0.103 R)
• M4: 2,329,688 km (0.106 R)
• M5: 2,787,607 km (0.083 R)
• M6: 3,291,153 km (0.104 R)
• M7: 5,140,332 km (0.088 R)
• M8: 7,023,770 km (0.104 R)
• M9: 7,994,660 km (0.114 R)
• M10: 8,810,417 km (0.12 R)
• M11: 10,642,243 km (0.108 R)
• M12: 11,739,543 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 290.8

Radius: 10.7

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 1.97 AU - 2.49 AU

Year: 2299 Days

Day: 14.7 Hours

Environment

Temp: -211 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 41,031,823 km

• M1: 134,788 km (0.12 R)
• M2: 571,613 km (0.082 R)
• M3: 1,328,579 km (0.057 R)
• M4: 2,182,783 km (0.108 R)
• M5: 2,677,652 km (0.089 R)
• M6: 3,877,128 km (0.108 R)
• M7: 6,315,424 km (0.091 R)
• M8: 8,066,467 km (0.056 R)
• M9: 8,947,149 km (0.082 R)
• M10: 9,442,468 km (0.108 R)
• M11: 11,500,636 km (0.066 R)
• M12: 12,198,659 km (0.116 R)
• M13: 12,692,332 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 271.6

Radius: 10.2

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 2.57 AU - 3.81 AU

Year: 3933 Days

Day: 6.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 41,031,823 km

• M1: 130,300 km (0.098 R)
• M2: 476,320 km (0.071 R)
• M3: 845,378 km (0.045 R)
• M4: 1,815,071 km (0.052 R)
• M5: 2,559,320 km (0.113 R)
• M6: 3,353,984 km (0.055 R)
• M7: 4,101,674 km (0.062 R)
• M8: 7,105,600 km (0.041 R)
• M9: 9,667,912 km (0.116 R)
• M10: 10,290,688 km (0.063 R)
• M11: 14,890,374 km (0.102 R)
• M12: 15,326,601 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 391.3

Radius: 10.1

Gravity: 3.84 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 3.25 AU - 5.29 AU

Year: 6091 Days

Day: 11.1 Hours

Environment

Temp: -219 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 41,031,823 km

• M1: 126,261 km (0.056 R)
• M2: 480,808 km (0.116 R)
• M3: 924,964 km (0.118 R)
• M4: 1,919,341 km (0.095 R)
• M5: 2,483,624 km (0.091 R)
• M6: 3,432,074 km (0.096 R)
• M7: 3,899,568 km (0.102 R)
• M8: 4,385,312 km (0.119 R)
• M9: 5,122,081 km (0.071 R)
• M10: 5,705,513 km (0.114 R)
• M11: 6,488,658 km (0.029 R)
• M12: 8,682,511 km (0.09 R)
• M13: 9,553,470 km (0.101 R)
• M14: 10,481,575 km (0.116 R)
• M15: 12,080,327 km (0.112 R)
• M16: 12,614,840 km (0.097 R)
• M17: 12,963,104 km (0.117 R)
• M18: 13,420,425 km (0.114 R)
• M19: 16,043,175 km (0.113 R)
• M20: 19,250,852 km (0.069 R)
• M21: 19,713,110 km (0.104 R)
• M22: 20,728,281 km (0.107 R)
• M23: 21,706,950 km (0.112 R)
• M24: 22,352,315 km (0.103 R)
• M25: 23,605,946 km (0.089 R)
• M26: 26,172,297 km (0.113 R)
• M27: 28,491,214 km (0.051 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 133.7

Radius: 3.7

Gravity: 9.77 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 7.74 AU - 9.8 AU

Year: 17927 Days

Day: 16.1 Hours

Environment

Temp: -237 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 41,031,823 km

• M1: 46,076 km (0.115 R)
• M2: 207,642 km (0.119 R)
• M3: 340,634 km (0.115 R)
• M4: 591,660 km (0.116 R)
• M5: 791,672 km (0.111 R)
• M6: 1,414,448 km (0.074 R)
• M7: 1,586,934 km (0.062 R)
• M8: 2,207,317 km (0.112 R)
• M9: 2,403,140 km (0.089 R)
• M10: 2,912,371 km (0.094 R)
• M11: 6,182,431 km (0.112 R)
• M12: 6,939,696 km (0.114 R)
• M13: 8,378,378 km (0.049 R)
• M14: 10,245,659 km (0.069 R)
• M15: 11,829,302 km (0.071 R)
• M16: 16,587,262 km (0.063 R)
• M17: 16,721,900 km (0.071 R)
• M18: 19,570,842 km (0.079 R)
• M19: 19,796,735 km (0.103 R)
• M20: 21,666,559 km (0.106 R)
• M21: 25,933,838 km (0.059 R)
• M22: 26,942,277 km (0.082 R)
• M23: 28,167,633 km (0.115 R)
• M24: 29,725,994 km (0.059 R)
• M25: 37,452,725 km (0.027 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 233 - 18,420 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit