🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 257.8

Radius: 13.4

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.67 AU - 0.75 AU

Year: 406 Days

Day: 7.6 Hours

Environment

Temp: -158 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 48,158,511 km

• M1: 166,652 km (0.094 R)
• M2: 702,063 km (0.072 R)
• M3: 1,278,314 km (0.036 R)
• M4: 1,873,863 km (0.045 R)
• M5: 2,296,477 km (0.063 R)
• M6: 3,169,530 km (0.044 R)
• M7: 3,755,206 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 921

Radius: 13

Gravity: 5.45 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.69 AU - 0.99 AU

Year: 522 Days

Day: 9.6 Hours

Environment

Temp: -176 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 48,158,511 km

• M1: 161,715 km (0.061 R)
• M2: 567,874 km (0.053 R)
• M3: 991,535 km (0.071 R)
• M4: 1,404,275 km (0.104 R)
• M5: 1,843,195 km (0.06 R)
• M6: 2,278,076 km (0.078 R)
• M7: 2,916,560 km (0.12 R)
• M8: 3,335,135 km (0.099 R)
• M9: 3,904,804 km (0.084 R)
• M10: 4,325,174 km (0.08 R)
• M11: 5,431,749 km (0.083 R)
• M12: 6,223,870 km (0.105 R)
• M13: 6,698,544 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 919.2

Radius: 13.7

Gravity: 4.9 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.73 AU - 1.05 AU

Year: 569 Days

Day: 8.4 Hours

Environment

Temp: -178 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 48,158,511 km

• M1: 170,392 km (0.116 R)
• M2: 854,054 km (0.118 R)
• M3: 1,316,611 km (0.069 R)
• M4: 1,791,135 km (0.1 R)
• M5: 2,292,139 km (0.053 R)
• M6: 3,517,644 km (0.082 R)
• M7: 3,973,469 km (0.082 R)
• M8: 4,611,205 km (0.053 R)
• M9: 6,112,120 km (0.061 R)
• M10: 6,651,271 km (0.107 R)
• M11: 7,688,732 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 407.3

Radius: 11.1

Gravity: 3.31 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 1.39 AU - 1.43 AU

Year: 1136 Days

Day: 11.7 Hours

Environment

Temp: -189 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 48,158,511 km

• M1: 138,228 km (0.115 R)
• M2: 491,279 km (0.111 R)
• M3: 842,984 km (0.094 R)
• M4: 1,323,343 km (0.097 R)
• M5: 1,800,111 km (0.093 R)
• M6: 2,489,159 km (0.119 R)
• M7: 2,926,733 km (0.058 R)
• M8: 3,278,288 km (0.1 R)
• M9: 5,033,071 km (0.062 R)
• M10: 5,638,793 km (0.081 R)
• M11: 6,313,629 km (0.113 R)
• M12: 6,681,938 km (0.039 R)
• M13: 7,156,762 km (0.102 R)
• M14: 8,148,746 km (0.119 R)
• M15: 9,396,242 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 719.6

Radius: 14.1

Gravity: 3.62 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 2.56 AU - 3.96 AU

Year: 3992 Days

Day: 10.8 Hours

Environment

Temp: -215 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 48,158,511 km

• M1: 175,478 km (0.11 R)
• M2: 835,504 km (0.115 R)
• M3: 1,319,902 km (0.105 R)
• M4: 1,918,742 km (0.061 R)
• M5: 2,899,955 km (0.072 R)
• M6: 4,082,376 km (0.114 R)
• M7: 4,589,363 km (0.076 R)
• M8: 5,035,464 km (0.039 R)
• M9: 5,703,419 km (0.106 R)
• M10: 6,490,603 km (0.053 R)
• M11: 6,958,545 km (0.085 R)
• M12: 7,550,055 km (0.05 R)
• M13: 7,997,951 km (0.083 R)
• M14: 10,093,668 km (0.117 R)
• M15: 14,070,577 km (0.108 R)
• M16: 16,122,013 km (0.114 R)
• M17: 17,756,370 km (0.112 R)
• M18: 18,989,655 km (0.09 R)
• M19: 19,756,643 km (0.089 R)
• M20: 24,201,196 km (0.041 R)
• M21: 25,255,412 km (0.042 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 893

Radius: 11.2

Gravity: 7.12 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 4.97 AU - 6.09 AU

Year: 8820 Days

Day: 6.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 48,158,511 km

• M1: 139,874 km (0.076 R)
• M2: 650,601 km (0.112 R)
• M3: 1,334,862 km (0.08 R)
• M4: 2,837,124 km (0.074 R)
• M5: 3,521,983 km (0.058 R)
• M6: 4,399,374 km (0.086 R)
• M7: 5,788,690 km (0.098 R)
• M8: 6,250,349 km (0.098 R)
• M9: 11,418,357 km (0.113 R)
• M10: 12,376,531 km (0.117 R)
• M11: 12,845,670 km (0.088 R)
• M12: 16,259,493 km (0.081 R)
• M13: 21,469,239 km (0.109 R)
• M14: 23,014,735 km (0.115 R)
• M15: 28,702,296 km (0.027 R)
• M16: 29,942,463 km (0.114 R)
• M17: 35,145,327 km (0.078 R)
• M18: 35,614,167 km (0.109 R)
• M19: 36,444,584 km (0.088 R)
• M20: 38,639,484 km (0.055 R)
• M21: 39,390,167 km (0.082 R)
• M22: 40,278,479 km (0.115 R)
• M23: 41,701,005 km (0.117 R)
• M24: 42,889,710 km (0.078 R)
• M25: 43,290,931 km (0.107 R)
• M26: 44,920,800 km (0.06 R)
• M27: 46,873,650 km (0.114 R)
• M28: 47,727,705 km (0.084 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 497 - 15,845 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit