🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 952.3

Radius: 11.4

Gravity: 7.33 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.53 AU - 0.71 AU

Year: 337 Days

Day: 14.4 Hours

Environment

Temp: -158 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 50,175,020 km

• M1: 141,819 km (0.117 R)
• M2: 544,835 km (0.045 R)
• M3: 951,592 km (0.074 R)
• M4: 1,352,215 km (0.116 R)
• M5: 1,807,292 km (0.065 R)
• M6: 2,180,539 km (0.109 R)
• M7: 2,885,145 km (0.077 R)
• M8: 4,080,731 km (0.105 R)
• M9: 4,939,273 km (0.04 R)
• M10: 5,355,903 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 417.3

Radius: 11.1

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 1.51 AU - 1.97 AU

Year: 1584 Days

Day: 9.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 44 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 50,175,020 km

• M1: 138,079 km (0.074 R)
• M2: 604,375 km (0.12 R)
• M3: 1,105,977 km (0.098 R)
• M4: 1,454,839 km (0.092 R)
• M5: 2,258,928 km (0.075 R)
• M6: 2,729,114 km (0.092 R)
• M7: 3,738,451 km (0.094 R)
• M8: 4,136,980 km (0.106 R)
• M9: 5,059,400 km (0.111 R)
• M10: 6,480,281 km (0.05 R)
• M11: 6,886,140 km (0.063 R)
• M12: 7,308,754 km (0.117 R)
• M13: 8,261,243 km (0.115 R)
• M14: 8,739,059 km (0.043 R)
• M15: 9,414,643 km (0.066 R)
• M16: 10,030,238 km (0.09 R)
• M17: 11,104,351 km (0.109 R)
• M18: 11,617,172 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 722.5

Radius: 13

Gravity: 4.28 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 1.85 AU - 2.49 AU

Year: 2206 Days

Day: 6 Hours

Environment

Temp: -206 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 50,175,020 km

• M1: 161,715 km (0.072 R)
• M2: 784,641 km (0.044 R)
• M3: 1,555,519 km (0.115 R)
• M4: 2,804,960 km (0.108 R)
• M5: 3,448,381 km (0.04 R)
• M6: 4,348,960 km (0.064 R)
• M7: 7,086,152 km (0.064 R)
• M8: 7,609,744 km (0.111 R)
• M9: 8,316,146 km (0.091 R)
• M10: 8,998,910 km (0.114 R)
• M11: 12,861,079 km (0.097 R)
• M12: 16,727,136 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 762.5

Radius: 11.7

Gravity: 5.57 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 1.8 AU - 3 AU

Year: 2566 Days

Day: 8.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 50,175,020 km

• M1: 146,157 km (0.074 R)
• M2: 641,326 km (0.113 R)
• M3: 1,717,982 km (0.091 R)
• M4: 2,266,557 km (0.102 R)
• M5: 2,665,086 km (0.098 R)
• M6: 3,195,261 km (0.096 R)
• M7: 3,911,984 km (0.11 R)
• M8: 5,078,249 km (0.098 R)
• M9: 5,464,960 km (0.039 R)
• M10: 6,603,250 km (0.098 R)
• M11: 7,153,920 km (0.056 R)
• M12: 7,703,842 km (0.105 R)
• M13: 8,682,810 km (0.067 R)
• M14: 9,309,027 km (0.049 R)
• M15: 11,166,883 km (0.107 R)
• M16: 12,593,747 km (0.083 R)
• M17: 13,625,524 km (0.119 R)
• M18: 19,295,133 km (0.037 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 781.7

Radius: 7.4

Gravity: 14.28 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 5.05 AU - 7.11 AU

Year: 10348 Days

Day: 17.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 50,175,020 km

• M1: 92,003 km (0.108 R)
• M2: 459,714 km (0.099 R)
• M3: 799,152 km (0.098 R)
• M4: 1,288,636 km (0.086 R)
• M5: 1,543,401 km (0.081 R)
• M6: 2,832,935 km (0.093 R)
• M7: 3,774,653 km (0.049 R)
• M8: 5,038,755 km (0.048 R)
• M9: 5,369,217 km (0.104 R)
• M10: 5,609,023 km (0.101 R)
• M11: 6,486,264 km (0.102 R)
• M12: 8,013,509 km (0.045 R)
• M13: 8,742,799 km (0.073 R)
• M14: 11,875,229 km (0.064 R)
• M15: 13,882,533 km (0.117 R)
• M16: 17,043,087 km (0.116 R)
• M17: 18,711,851 km (0.054 R)
• M18: 19,105,742 km (0.079 R)
• M19: 20,905,106 km (0.078 R)
• M20: 22,903,883 km (0.106 R)
• M21: 29,235,613 km (0.099 R)
• M22: 32,064,658 km (0.101 R)
• M23: 32,970,623 km (0.113 R)
• M24: 36,888,292 km (0.088 R)
• M25: 40,841,266 km (0.112 R)
• M26: 43,811,980 km (0.069 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 252.4

Radius: 5.2

Gravity: 9.33 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 5.03 AU - 8.29 AU

Year: 11864 Days

Day: 17.5 Hours

Environment

Temp: -237 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 50,175,020 km

• M1: 65,374 km (0.065 R)
• M2: 270,772 km (0.095 R)
• M3: 502,649 km (0.096 R)
• M4: 780,153 km (0.108 R)
• M5: 1,277,865 km (0.042 R)
• M6: 1,918,892 km (0.077 R)
• M7: 5,756,077 km (0.102 R)
• M8: 6,254,089 km (0.112 R)
• M9: 9,723,862 km (0.117 R)
• M10: 14,414,503 km (0.113 R)
• M11: 15,020,823 km (0.085 R)
• M12: 16,676,423 km (0.111 R)
• M13: 17,548,279 km (0.115 R)
• M14: 19,092,129 km (0.055 R)
• M15: 20,648,246 km (0.118 R)
• M16: 23,509,006 km (0.053 R)
• M17: 23,926,235 km (0.089 R)
• M18: 24,094,383 km (0.096 R)
• M19: 37,030,709 km (0.065 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 499.8

Radius: 6.7

Gravity: 11.13 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 6.76 AU - 7.06 AU

Year: 12538 Days

Day: 18.5 Hours

Environment

Temp: -239 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 50,175,020 km

• M1: 88,861 km (0.082 R)
• M2: 784,491 km (0.099 R)
• M3: 1,091,316 km (0.03 R)
• M4: 1,435,840 km (0.073 R)
• M5: 2,104,692 km (0.117 R)
• M6: 3,313,294 km (0.084 R)
• M7: 3,586,459 km (0.081 R)
• M8: 4,927,305 km (0.116 R)
• M9: 5,833,419 km (0.067 R)
• M10: 12,728,236 km (0.034 R)
• M11: 13,337,997 km (0.074 R)
• M12: 13,967,056 km (0.117 R)
• M13: 14,288,990 km (0.081 R)
• M14: 16,826,768 km (0.115 R)
• M15: 17,264,791 km (0.098 R)
• M16: 25,634,194 km (0.097 R)
• M17: 28,725,035 km (0.094 R)
• M18: 35,158,940 km (0.098 R)
• M19: 35,396,352 km (0.052 R)
• M20: 38,708,748 km (0.081 R)
• M21: 41,028,263 km (0.095 R)
• M22: 44,539,924 km (0.107 R)
• M23: 44,818,026 km (0.096 R)
• M24: 46,941,119 km (0.115 R)
• M25: 47,229,245 km (0.106 R)
• M26: 48,834,729 km (0.104 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 331 - 11,793 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit