🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 922.2

Radius: 14.9

Gravity: 4.15 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 0.6 AU - 0.74 AU

Year: 379 Days

Day: 13.5 Hours

Environment

Temp: -151 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 54,329,702 km

• M1: 185,352 km (0.12 R)
• M2: 694,733 km (0.04 R)
• M3: 1,168,359 km (0.056 R)
• M4: 1,658,741 km (0.05 R)
• M5: 2,202,679 km (0.102 R)
• M6: 2,992,855 km (0.053 R)
• M7: 4,018,947 km (0.103 R)
• M8: 4,527,879 km (0.119 R)
• M9: 5,429,655 km (0.064 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 661.7

Radius: 14

Gravity: 3.38 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.6 AU - 0.84 AU

Year: 422 Days

Day: 10.6 Hours

Environment

Temp: -155 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 54,329,702 km

• M1: 174,282 km (0.091 R)
• M2: 671,246 km (0.105 R)
• M3: 1,199,625 km (0.095 R)
• M4: 1,709,904 km (0.027 R)
• M5: 2,217,340 km (0.104 R)
• M6: 2,897,860 km (0.109 R)
• M7: 3,568,657 km (0.099 R)
• M8: 4,032,560 km (0.102 R)
• M9: 4,797,604 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 843.7

Radius: 10.6

Gravity: 7.51 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.7 AU - 1.14 AU

Year: 609 Days

Day: 5.6 Hours

Environment

Temp: -177 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 54,329,702 km

• M1: 131,796 km (0.026 R)
• M2: 588,668 km (0.113 R)
• M3: 918,381 km (0.112 R)
• M4: 1,391,111 km (0.08 R)
• M5: 1,787,844 km (0.066 R)
• M6: 2,270,148 km (0.056 R)
• M7: 2,814,834 km (0.102 R)
• M8: 3,829,705 km (0.06 R)
• M9: 4,304,380 km (0.032 R)
• M10: 4,851,459 km (0.084 R)
• M11: 5,300,701 km (0.093 R)
• M12: 6,282,811 km (0.08 R)
• M13: 7,359,766 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 244.1

Radius: 8.3

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 1.06 AU - 1.3 AU

Year: 885 Days

Day: 6.9 Hours

Environment

Temp: -173 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 54,329,702 km

• M1: 103,223 km (0.109 R)
• M2: 378,483 km (0.1 R)
• M3: 1,026,690 km (0.12 R)
• M4: 1,307,934 km (0.057 R)
• M5: 1,626,278 km (0.097 R)
• M6: 2,324,153 km (0.119 R)
• M7: 2,741,531 km (0.114 R)
• M8: 3,124,800 km (0.109 R)
• M9: 3,793,652 km (0.081 R)
• M10: 4,478,511 km (0.097 R)
• M11: 6,000,071 km (0.055 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 897.9

Radius: 8.1

Gravity: 13.69 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 3.25 AU - 3.25 AU

Year: 4044 Days

Day: 6 Hours

Environment

Temp: -210 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 54,329,702 km

• M1: 122,969 km (0.032 R)
• M2: 384,915 km (0.097 R)
• M3: 755,619 km (0.104 R)
• M4: 1,055,114 km (0.103 R)
• M5: 1,423,424 km (0.083 R)
• M6: 2,173,657 km (0.087 R)
• M7: 2,453,854 km (0.114 R)
• M8: 2,829,195 km (0.05 R)
• M9: 3,610,245 km (0.113 R)
• M10: 3,937,715 km (0.087 R)
• M11: 4,308,718 km (0.073 R)
• M12: 5,094,256 km (0.089 R)
• M13: 5,394,948 km (0.041 R)
• M14: 5,707,458 km (0.097 R)
• M15: 6,431,362 km (0.091 R)
• M16: 6,848,142 km (0.064 R)
• M17: 8,892,696 km (0.027 R)
• M18: 11,359,415 km (0.055 R)
• M19: 11,969,176 km (0.105 R)
• M20: 12,799,145 km (0.046 R)
• M21: 13,253,773 km (0.115 R)
• M22: 13,824,040 km (0.092 R)
• M23: 15,013,642 km (0.036 R)
• M24: 15,576,429 km (0.113 R)
• M25: 16,036,593 km (0.081 R)
• M26: 17,165,907 km (0.118 R)
• M27: 18,602,944 km (0.071 R)
• M28: 22,144,374 km (0.039 R)
• M29: 23,543,264 km (0.068 R)
• M30: 26,515,923 km (0.117 R)
• M31: 28,261,581 km (0.108 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 959.6

Radius: 6.4

Gravity: 23.43 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 5.62 AU - 6.42 AU

Year: 10195 Days

Day: 18.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 54,329,702 km

• M1: 79,586 km (0.11 R)
• M2: 411,993 km (0.12 R)
• M3: 1,270,535 km (0.094 R)
• M4: 1,649,317 km (0.096 R)
• M5: 1,993,990 km (0.086 R)
• M6: 2,385,637 km (0.1 R)
• M7: 4,098,832 km (0.084 R)
• M8: 4,303,183 km (0.116 R)
• M9: 4,700,814 km (0.087 R)
• M10: 4,990,286 km (0.095 R)
• M11: 5,857,056 km (0.06 R)
• M12: 6,154,456 km (0.05 R)
• M13: 7,149,731 km (0.034 R)
• M14: 7,489,617 km (0.071 R)
• M15: 9,555,863 km (0.084 R)
• M16: 10,884,891 km (0.117 R)
• M17: 11,164,938 km (0.099 R)
• M18: 13,008,881 km (0.11 R)
• M19: 17,593,158 km (0.062 R)
• M20: 18,056,613 km (0.114 R)
• M21: 18,607,731 km (0.117 R)
• M22: 19,743,478 km (0.085 R)
• M23: 21,532,669 km (0.107 R)
• M24: 24,462,543 km (0.037 R)
• M25: 30,763,905 km (0.078 R)
• M26: 32,927,838 km (0.091 R)
• M27: 33,278,495 km (0.042 R)
• M28: 33,987,290 km (0.094 R)
• M29: 36,798,084 km (0.12 R)
• M30: 37,175,669 km (0.105 R)
• M31: 38,195,478 km (0.12 R)
• M32: 40,424,187 km (0.072 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: 169 - 19,748 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit