🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Inner (Rocky/Metallic)

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: 446.4

Radius: 9.2

Gravity: 5.27 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.77 AU - 1.15 AU

Year: 607 Days

Day: 14.9 Hours

Environment

Temp: -156 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 61,173,768 km

• M1: 118,631 km (0.04 R)
• M2: 433,834 km (0.118 R)
• M3: 724,203 km (0.111 R)
• M4: 1,490,294 km (0.047 R)
• M5: 2,053,979 km (0.1 R)
• M6: 3,188,379 km (0.084 R)
• M7: 3,540,982 km (0.078 R)
• M8: 4,125,610 km (0.111 R)
• M9: 4,898,133 km (0.098 R)
• M10: 5,203,463 km (0.05 R)
• M11: 5,888,023 km (0.047 R)
• M12: 6,178,093 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 118.1

Radius: 12.1

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.48 AU - 1.9 AU

Year: 1419 Days

Day: 11.8 Hours

Environment

Temp: -187 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 61,173,768 km

• M1: 150,495 km (0.065 R)
• M2: 833,111 km (0.064 R)
• M3: 1,609,823 km (0.118 R)
• M4: 2,066,096 km (0.069 R)
• M5: 3,843,468 km (0.079 R)
• M6: 4,638,731 km (0.079 R)
• M7: 5,109,366 km (0.078 R)
• M8: 5,487,549 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 582.3

Radius: 9.8

Gravity: 6.06 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 1.57 AU - 1.91 AU

Year: 1482 Days

Day: 12.7 Hours

Environment

Temp: -184 °C

Axial Tilt: 49.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 61,173,768 km

• M1: 122,221 km (0.049 R)
• M2: 599,588 km (0.095 R)
• M3: 1,308,233 km (0.079 R)
• M4: 1,696,141 km (0.027 R)
• M5: 2,116,062 km (0.089 R)
• M6: 2,669,125 km (0.097 R)
• M7: 4,046,922 km (0.094 R)
• M8: 4,423,160 km (0.093 R)
• M9: 5,782,257 km (0.117 R)
• M10: 7,613,036 km (0.074 R)
• M11: 9,333,561 km (0.108 R)
• M12: 11,229,415 km (0.106 R)
• M13: 12,341,824 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 539.5

Radius: 13

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.69 AU - 1.93 AU

Year: 1572 Days

Day: 8 Hours

Environment

Temp: -193 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 61,173,768 km

• M1: 161,715 km (0.028 R)
• M2: 657,782 km (0.094 R)
• M3: 1,125,425 km (0.113 R)
• M4: 1,821,204 km (0.094 R)
• M5: 2,557,226 km (0.116 R)
• M6: 3,109,093 km (0.108 R)
• M7: 4,417,924 km (0.096 R)
• M8: 4,973,980 km (0.063 R)
• M9: 5,641,784 km (0.075 R)
• M10: 6,065,894 km (0.117 R)
• M11: 6,681,191 km (0.103 R)
• M12: 7,105,600 km (0.115 R)
• M13: 8,957,920 km (0.098 R)
• M14: 9,475,230 km (0.088 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 351.3

Radius: 9.2

Gravity: 4.15 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 4.35 AU - 4.61 AU

Year: 6123 Days

Day: 13.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 61,173,768 km

• M1: 117,584 km (0.117 R)
• M2: 415,882 km (0.049 R)
• M3: 706,252 km (0.111 R)
• M4: 1,316,012 km (0.084 R)
• M5: 1,736,083 km (0.059 R)
• M6: 2,214,348 km (0.103 R)
• M7: 2,866,594 km (0.048 R)
• M8: 3,316,136 km (0.054 R)
• M9: 3,855,586 km (0.086 R)
• M10: 4,285,979 km (0.088 R)
• M11: 4,900,976 km (0.11 R)
• M12: 5,461,968 km (0.069 R)
• M13: 6,124,836 km (0.027 R)
• M14: 6,872,825 km (0.09 R)
• M15: 8,252,866 km (0.118 R)
• M16: 9,362,882 km (0.047 R)
• M17: 12,496,808 km (0.105 R)
• M18: 13,037,903 km (0.035 R)
• M19: 13,646,019 km (0.104 R)
• M20: 15,248,960 km (0.04 R)
• M21: 17,394,193 km (0.107 R)
• M22: 17,883,229 km (0.03 R)
• M23: 19,799,129 km (0.116 R)
• M24: 20,670,387 km (0.114 R)
• M25: 24,260,885 km (0.118 R)
• M26: 25,492,375 km (0.085 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 962.4

Radius: 7.6

Gravity: 16.66 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 5.95 AU - 8.21 AU

Year: 12164 Days

Day: 24 Hours

Environment

Temp: -227 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 61,173,768 km

• M1: 94,995 km (0.11 R)
• M2: 421,866 km (0.108 R)
• M3: 790,176 km (0.074 R)
• M4: 1,310,178 km (0.078 R)
• M5: 2,021,815 km (0.063 R)
• M6: 2,516,386 km (0.111 R)
• M7: 2,920,599 km (0.11 R)
• M8: 3,552,949 km (0.09 R)
• M9: 4,684,657 km (0.095 R)
• M10: 6,436,000 km (0.071 R)
• M11: 7,062,665 km (0.115 R)
• M12: 7,960,701 km (0.082 R)
• M13: 8,486,089 km (0.091 R)
• M14: 9,187,852 km (0.099 R)
• M15: 12,260,144 km (0.112 R)
• M16: 12,575,197 km (0.083 R)
• M17: 13,486,547 km (0.099 R)
• M18: 14,163,926 km (0.104 R)
• M19: 14,721,926 km (0.086 R)
• M20: 15,294,587 km (0.113 R)
• M21: 15,586,453 km (0.063 R)
• M22: 16,560,634 km (0.077 R)
• M23: 20,247,025 km (0.102 R)
• M24: 21,044,680 km (0.055 R)
• M25: 21,496,915 km (0.108 R)
• M26: 21,955,432 km (0.085 R)
• M27: 25,248,829 km (0.045 R)
• M28: 26,485,705 km (0.099 R)
• M29: 28,306,460 km (0.039 R)
• M30: 28,857,429 km (0.096 R)
• M31: 29,191,481 km (0.058 R)
• M32: 48,750,057 km (0.11 R)
• M33: 51,476,328 km (0.104 R)
• M34: 52,793,837 km (0.083 R)
• M35: 59,719,620 km (0.109 R)
• M36: 60,262,211 km (0.034 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 413 - 13,567 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit