🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 124.3

Radius: 10.2

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.44 AU - 0.7 AU

Year: 287 Days

Day: 10.7 Hours

Environment

Temp: -140 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 33,357,188 km

• M1: 129,851 km (0.101 R)
• M2: 558,150 km (0.028 R)
• M3: 1,090,419 km (0.081 R)
• M4: 1,415,944 km (0.086 R)
• M5: 1,779,467 km (0.083 R)
• M6: 2,159,894 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 585.1

Radius: 8.3

Gravity: 8.49 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.51 AU - 0.73 AU

Year: 326 Days

Day: 6.7 Hours

Environment

Temp: -145 °C

Axial Tilt: 44.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 33,357,188 km

• M1: 103,223 km (0.096 R)
• M2: 427,252 km (0.111 R)
• M3: 718,818 km (0.073 R)
• M4: 1,178,532 km (0.097 R)
• M5: 1,605,484 km (0.109 R)
• M6: 2,156,902 km (0.05 R)
• M7: 3,256,446 km (0.106 R)
• M8: 3,809,061 km (0.094 R)
• M9: 4,228,234 km (0.077 R)
• M10: 4,488,834 km (0.068 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 878.4

Radius: 14.1

Gravity: 4.42 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.56 AU - 0.7 AU

Year: 333 Days

Day: 6.4 Hours

Environment

Temp: -148 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 33,357,188 km

• M1: 175,329 km (0.098 R)
• M2: 638,484 km (0.09 R)
• M3: 1,193,791 km (0.081 R)
• M4: 1,642,136 km (0.116 R)
• M5: 2,180,987 km (0.077 R)
• M6: 2,748,861 km (0.101 R)
• M7: 3,214,110 km (0.095 R)
• M8: 3,805,620 km (0.06 R)
• M9: 4,496,912 km (0.106 R)
• M10: 5,133,301 km (0.062 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 111.7

Radius: 15

Gravity: 0.5 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.7 AU - 0.96 AU

Year: 504 Days

Day: 11.4 Hours

Environment

Temp: -173 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 33,357,188 km

• M1: 186,549 km (0.098 R)
• M2: 717,023 km (0.118 R)
• M3: 1,219,223 km (0.109 R)
• M4: 1,934,151 km (0.098 R)
• M5: 2,542,715 km (0.076 R)
• M6: 3,365,354 km (0.039 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 770.4

Radius: 12.7

Gravity: 4.78 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 2.29 AU - 2.77 AU

Year: 2684 Days

Day: 8.8 Hours

Environment

Temp: -204 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 33,357,188 km

• M1: 158,574 km (0.054 R)
• M2: 576,700 km (0.091 R)
• M3: 1,183,618 km (0.114 R)
• M4: 1,782,907 km (0.038 R)
• M5: 2,377,559 km (0.104 R)
• M6: 3,001,980 km (0.114 R)
• M7: 4,299,443 km (0.046 R)
• M8: 6,889,580 km (0.09 R)
• M9: 8,065,868 km (0.052 R)
• M10: 9,156,736 km (0.079 R)
• M11: 9,700,973 km (0.074 R)
• M12: 12,011,063 km (0.074 R)
• M13: 12,931,390 km (0.12 R)
• M14: 14,962,181 km (0.053 R)
• M15: 15,872,484 km (0.073 R)
• M16: 17,526,288 km (0.061 R)
• M17: 19,174,857 km (0.084 R)
• M18: 19,647,287 km (0.102 R)
• M19: 20,127,496 km (0.073 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 121.6

Radius: 11.7

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 2.87 AU - 3.29 AU

Year: 3605 Days

Day: 7.2 Hours

Environment

Temp: -205 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 33,357,188 km

• M1: 145,559 km (0.11 R)
• M2: 898,036 km (0.054 R)
• M3: 1,392,008 km (0.096 R)
• M4: 1,957,339 km (0.058 R)
• M5: 2,391,322 km (0.114 R)
• M6: 2,931,969 km (0.071 R)
• M7: 3,700,752 km (0.115 R)
• M8: 4,895,740 km (0.074 R)
• M9: 5,396,743 km (0.073 R)
• M10: 6,260,222 km (0.054 R)
• M11: 6,750,454 km (0.063 R)
• M12: 7,976,110 km (0.059 R)
• M13: 8,791,568 km (0.07 R)
• M14: 9,313,215 km (0.089 R)
• M15: 12,657,027 km (0.076 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 250.9

Radius: 14.8

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 5.17 AU - 5.61 AU

Year: 8345 Days

Day: 8.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 33,357,188 km

• M1: 184,155 km (0.111 R)
• M2: 733,628 km (0.108 R)
• M3: 1,435,541 km (0.069 R)
• M4: 2,236,039 km (0.038 R)
• M5: 3,163,546 km (0.093 R)
• M6: 3,804,423 km (0.065 R)
• M7: 5,490,092 km (0.067 R)
• M8: 9,352,859 km (0.112 R)
• M9: 10,771,047 km (0.065 R)
• M10: 16,782,188 km (0.06 R)
• M11: 18,028,039 km (0.095 R)
• M12: 29,768,031 km (0.079 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 117.8

Radius: 7.4

Gravity: 2.15 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 6.85 AU - 8.37 AU

Year: 13999 Days

Day: 22.3 Hours

Environment

Temp: -231 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 33,357,188 km

• M1: 94,097 km (0.093 R)
• M2: 387,010 km (0.071 R)
• M3: 683,513 km (0.036 R)
• M4: 1,008,290 km (0.043 R)
• M5: 1,846,187 km (0.11 R)
• M6: 2,401,495 km (0.103 R)
• M7: 3,612,340 km (0.116 R)
• M8: 4,688,846 km (0.05 R)
• M9: 5,902,683 km (0.065 R)
• M10: 6,220,130 km (0.055 R)
• M11: 6,751,801 km (0.098 R)
• M12: 7,679,756 km (0.096 R)
• M13: 9,354,504 km (0.094 R)
• M14: 9,699,178 km (0.088 R)
• M15: 10,459,584 km (0.093 R)
• M16: 12,251,318 km (0.09 R)
• M17: 13,846,929 km (0.114 R)
• M18: 16,060,977 km (0.047 R)
• M19: 16,493,016 km (0.056 R)
• M20: 18,033,724 km (0.117 R)
• M21: 20,162,651 km (0.045 R)
• M22: 28,253,951 km (0.037 R)
• M23: 29,065,520 km (0.07 R)
• M24: 30,078,148 km (0.117 R)
• M25: 31,209,706 km (0.089 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: 497 - 14,730 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit